CONTENTS

Executive Summary.................................................................................................................................................................. 1

1. Basic Contract Information.......................................................................................................................................... 6

2. Noise.................................................................................................................................................................................... 11

3. Water Quality................................................................................................................................................................... 15

4. Waste................................................................................................................................................................................... 29

5. Landfill Gas Monitoring............................................................................................................................................... 30

6. Summary of Monitoring Exceedance, Complaints, Notification of Summons and Prosecutions 34

7. EM&A Site Inspection................................................................................................................................................... 36

8. Future Key Issues........................................................................................................................................................... 38

9. Conclusions and Recommendations...................................................................................................................... 40

Appendix A Master Programme

Appendix B Overview of Desalination Plant in Tseung Kwan O

Appendix C Summary of Implementation Status of Environmental Mitigation Appendix D Impact Monitoring Schedule of the Reporting Month

Appendix E Event/Action Plan for Noise Exceedance

Appendix F Noise Monitoring Equipment Calibration Certificate (Blank) Appendix G Event/Action Plan for Water Quality Exceedance

Appendix H Waste Flow Table

Appendix I Site Inspection Proforma

Appendix J Complaint Log

Appendix K Impact Monitoring Schedule of Next Reporting Month

Appendix L Water Quality and Landfill Gas Monitoring Data

Appendix M HOKLAS Laboratory Certificate

Appendix N Water Quality and Landfill Gas Equipment Calibration Certificate

Appendix O Exceedance Report(s)

EXECUTIVE SUMMARY

INTRODUCTION

A1. The Project, Design, Build and Operate First Stage of Tseung Kwan O Desalination Plant (TKODP), is a Designated Project under the Environmental Impact Assessment Ordinance (Cap. 499) (EIAO) and is currently governed by a Further Environmental Permit (EP No. FEP - 01/503/2015/A) for the construction and operation of the Contract.

A2. In accordance with the Environmental Monitoring and Audit (EM&A) Manual for the Contract, EM&A works for marine water quality, noise, waste management and ecology should be carried out by Environmental Team (ET), Acuity Sustainability Consulting Limited (ASCL), during the construction phase of the Contract.

A3. This is the 23rd Monthly EM&A Report, prepared by ASCL, for the Contract summarizing the monitoring results and audit findings of the EM&A programme at and around Tseung Kwan O Area 137 (TKO 137) during the reporting period from 1 January 2022 to 31 January 2022.

A4. The EM&A programme for this contract has covered environmental monitoring on construction noise level at selected NSRs and Contractor¡¦s environmental performance auditing in the aspects of construction dust, construction noise, water quality, waste management, Landscape and Visual and Ecology.

SUMMARY OF MAIN WORKS UNDERTAKEN & KEY MITIGATION MEASURES IMPLEMENTED

A5. Key activities carried out in this reporting period for the Contract included the followings:

- Land Survey;

- Construction of ActiDAFF parapet;

- Construction of Reverse Osmosis (RO) Building - staircases and internal finishing;

- Construction of Sludge tank and Post Treatment Building (PTB);

- Construction of On-Site Chlorine Generation (OSCG) Building and carbon dioxide (CO2) tank area;

- Internal finishing works at Product Water Storage Tank (PWST) and Electrical Building and Main Electrical and Central Chiller Plant Building (MECCP);

- Construction of manhole and Glass Reinforced Plastic (GRP) pipe installation;

- Commence construction of Manholes no.15 and no.16 adjacent to ActiDAFF and Reverse Osmosis Area (RO);

- Construction of first and second floor walls and columns of Administration Building;

- Construction of reinforced concrete (RC) support of Inspection Corridor;

- Construction of 1^st floor structural wall of Chemical Building;

- Dewatering, predrill, rock cutting and excavations at Outfall Shaft;

- Excavation & Lateral Support (ELS) erection and commencement of marine dredging at Intake Shaft;

- Concrete blinding laying and backfill with aggregate at Intake Shaft;

- Pipe jacking works at Combined Shaft for Intake & Outfall pipelines;

- Outfall Shaft - rock coring, chain-cut the bed rock inside the caisson and pumping clean seepage water within silt curtain area

- Intake Shaft - fitting in waling and welding inside the shaft

- Intake Shaft - excavate non-MD inside the shaft

- Intake Shaft - Blinding layer concreting works inside the shaft

- Intake Shaft - mobilizing vibratory hammer for retrieving 7 nrs. pipe piles

- Construction of base slab of Pump house

A6. The major environmental impacts brought by the above construction works include:

- Construction dust and noise generation from marine construction works, excavation works, construction works; rock cutting works and pipe piling driving works

- Waste generation from the construction activities

- Impact on water quality from marine construction works and inland construction works

A7. The key environmental mitigation measures implemented for the Contract in this reporting period associated with the above construction works include:

- Dust suppression by regular wetting and water spraying for construction works;

- Reduction of noise from equipment and machinery on-site and regular inspection to machinery and plants/vehicles on-site to ensure proper functioning;

- Sorting and storage of general refuse and construction waste; and

- Deployment of temporary silt curtain in the area where marine construction works were conducted and deployment of water sedimentation tanks for treatment of wastewater at inland and marine areas before discharge.

SUMMARY OF EXCEEDANCE & INVESTIGATION & FOLLOW-UP

A8. No noise monitoring was conducted during the reporting period since there are no Contract - related construction activities undertaken within a radius of 300m from the monitoring locations. No contract-related exceedance of the Action Level was recorded during the reporting period.

A9. The EM&A works for water quality were conducted during the reporting period in accordance with the EM&A Manual.

A10. Fifty-two (52) of the general water quality monitoring results of suspended solids (SS) obtained had exceeded the Action Level. Thirty-three (33) of the general water quality monitoring results of SS obtained during the reporting period had exceeded the Limit Level.

A11.Details of the exceedance are presented in Appendix O.

A12.Investigation on the reason of exceedance has been carried out, where the exceedances of SS on 1, 4, 6, 8, 11, 15, 18, 20, 22, 25, 27, 29 and 31 January 2022 were concluded to be unrelated to the Contract as detailed in the Incident Reports on Action Level or Limit Level Non- compliance along with supporting materials in Appendix O.

A13. It was concluded that all exceedances recorded in January were unrelated to the Contract.

A14.ACJCJ¡¦s Environmental Office received a text message on 14 January 2022 from EPD inspector claiming that susceptible oil spillage at the water surface nearby to Outfall Shaft was observed during their routine drone check on 13 January 2022. The message from EPD was relayed to ET by AJCJV on 15 January 2022. Immediate investigation by AJCJV has been made after the acknowledgement of the incident, whilst implementing emergency clean up measure on any residue oil spillage. After investigation, the oil spillage was unlikely originated from the Outfall Shaft. The incident may therefore be considered as non-project related. Detail of the incident could be referring to Appendix O.

A15.In this reporting period, 47 times of landfill gas monitoring were recorded at Wan Po Road (Ch1+360 - Ch1+513). No exceedance of action and limit levels for methane, oxygen and carbon dioxide was observed. Monitoring was conducted during excavations at 1m depth or more within the consultation zone and whenever workers entered the excavation on the day.

A16.Joint site inspections of the construction work by ET and IEC were carried out on 4, 11, 18, 26 and 31 January 2022 to audit the mitigation measures implementation status. Observations were recorded in the site inspection

checklists and provided to the contractors together with the appropriate follow-up actions where necessary.

COMPLAINT HANDLING AND PROSECUTION

A17.No environmental complaint was received during the reporting period. A18.Neither notification of summons nor prosecution was received for the Contract.

REPORTING CHANGE

A19.There was no change to be reported that may affect the on-going EM&A programme.

SUMMARY OF UPCOMING KEY ISSUES AND KEY MITIGATION MEASURES

A20.Key activities anticipated in the next reporting period for the Contract will include the followings:

- Land Survey;

- Construction of solar panel supports at roof of ActiDAFF;

- Construction of Reverse Osmosis (RO) Building - staircases and internal finishing;

- Construction of sludge thickener, Post Treatment Building (PTB);

- Construction of On-Site Chlorine Generation Building (OSCG Bldg) and carbon dioxide (CO2) Tank area;

- Internal finishing work at Product Water Storage Tank (PWST), Electrical Building and Main Electrical (elec), Building. and Central Chiller Plant Building (MECCP);

- Manhole construction and Glass Reinforced Plastic (GRP) pipe installation;

- Construction of manholes no.15 and no.16 adjacent to ActiDAFF and RO;

- Construction of 1/F to 2/F walls and columns of Administration Building;

- Construction of reinforced concrete (RC) support of Inspection Corridor;

- Construction of structural wall and Roof of Chemical Building;

- Outfall Shaft - Dewatering; Predrill, Rock cutting and excavations;

- Intake shaft - Retrieval of DN 2500 Tunnel Boring Machine (TBM) under water;

- Pipe jacking at Combined Shaft for Outfall pipelines; and

- Intake tunnel - Demobilize the jack pipe system and commencement of grouting works.

A21.The major environmental impacts brought by the above construction works will include:

- Construction dust and noise generation from pipe piling driven works, rock cutting works, drilling, excavation and construction works;

- Waste generation from construction activities; and

- Impact on water quality from marine construction works and inland construction works.

A22. The key environmental mitigation measures for the Contract in the coming reporting period associated with the above construction works will include:

- Dust suppression by regular wetting and water spraying for construction works;

- Reduction of noise from equipment and machinery on-site;

- Sorting and storage of general refuse and construction waste; and

- Deployment of temporary silt curtain in the area where marine construction works were conducted and deployment of water sedimentation tanks for treatment of wastewater at inland and marine areas before discharge.

1. BASIC CONTRACT INFORMATION

1.1. BACKGROUND

The Acciona Agua, S.A. Trading, Jardine Engineering Corporation, Limited and China State Construction Engineering (Hong Kong) Limited As AJC Joint Venture (AJCJV) is contracted to carry out the Design, Build and Operate First Stage of Tseung Kwan O Desalination Plant (DPTKO) under Contract No. 13/WSD/17 (the Contract).

Acuity Sustainability Consulting Limited (ASCL) is commissioned by AJCJV to undertake the Environmental Team (ET) services as required and/or implied, both explicitly and implicitly, in the Environmental Permit (EP), Environmental Impact Assessment Report (EIA Report) (Register No. AEIAR-192/2015) and Environmental Monitoring and Audit Manual (EM&A Manual) for the Contract; and to carry out the Environmental Monitoring and Audit (EM&A) programme in fulfillment of the EIA Report¡¦s EM&A requirements and Contract No. 13/WSD/17 Specification requirements.

Pursuant to the Environmental Impact Assessment Ordinance (EIAO), the Director of Environmental Protection granted the Environmental Permit (No. EP-01/503/2015) and Variation of Environmental Permit (No. EP-01/503/2015/A) to Water Supplies Department (WSD); and granted the Further Environmental Permit (No. FEP-01/503/2015/A) to AJCJV for the Contract.

1.2. THE REPORTING SCOPE

This is the 23rd Monthly EM&A Report for the Contract which summarizes the key findings of the EM&A programme during the reporting period from 1 January to 31 January 2022.

1.3. CONTRACT ORGANIZATION

The Contract Organization structure for Construction Phase is presented in Figure 1.1.

Figure 1.1 Contract Organization Chart

Contact details of the key personnel are presented in Table 1.1 below:

Table 1.1 Contact Details of Key Personnel

Party	Position	Name	Telephone no.
Contract Proponent (Water Supplies Department)	SE/CM2	Benny Lam	2634-3573
Supervising Officer (Binnies Hong Kong Limited)	Project Manager	Christina Ko	2608-7302
	Chief Resident Engineer	Roger Wu	6343-1002
The Jardine Engineering Corporation, Limited, China State Construction Engineering (Hong Kong) Limited and Acciona Agua, S.A. Trading	Project Manager	Stephen Yeung	2807-4665
	Environmental Monitoring Manager	Brian Kam	9456-9541
Acuity Sustainability Consulting Limited	Environmental Team Leader	Jacky Leung	2698-6833
ANewR Consulting Limited	Independent Environmental Checker (IEC)	Louis Kwan	2618-2831

1.4. SUMMARY OF CONSTRUCTION WORKS

Details of the major construction activities undertaken in this reporting period are shown as below. The construction programme is presented in Appendix A.

Key activities carried out in this reporting period for the Contract included the followings:

- Land Survey;

- Construction of ActiDAFF parapet;

- Construction of Reverse Osmosis (RO) Building - staircases and internal finishing;

- Construction of Sludge tank and Post Treatment Building (PTB);

- Construction of On-Site Chlorine Generation (OSCG) Building and carbon dioxide (CO2) tank area;

- Internal finishing works at Product Water Storage Tank (PWST) and Electrical Building and Main Electrical and Central Chiller Plant Building (MECCP);

- Construction of manhole and Glass Reinforced Plastic (GRP) pipe installation;

- Commence construction of Manholes no.15 and no.16 adjacent to ActiDAFF and Reverse Osmosis Area (RO);

- Construction of first and second floor walls and columns of Administration Building;

- Construction of reinforced concrete (RC) support of Inspection Corridor;

- Construction of 1^st floor structural wall of Chemical Building;

- Dewatering, predrill, rock cutting and excavations at Outfall Shaft;

- Excavation & Lateral Support (ELS) erection and commencement of marine dredging at Intake Shaft;

- Concrete blinding laying and backfill with aggregate at Intake Shaft;

- Pipe jacking works at Combined Shaft for Intake & Outfall pipelines;

- Outfall Shaft - rock coring, chain-cut the bed rock inside the caisson and pumping clean seepage water within silt curtain area

- Intake Shaft - fitting in waling and welding inside the shaft

- Intake Shaft - excavate non-MD inside the shaft

- Intake Shaft - Blinding layer concreting works inside the shaft

- Intake Shaft - mobilizing vibratory hammer for retrieving 7 nrs. pipe piles

- Construction of base slab of Pump house

A summary of the valid permits, licences, and/or notifications on environmental protection for this Contract is presented in Table 1.2.

Table 1.2 Summary of the Status of Valid Environmental Licence, Notification, Permit and Documentations

Permit/ Licenses/ Notification	Reference	Validity Period	Remarks
Environmental Permit	FEP - 01/503/2015/A	Throughout the Contract
Notification of Construction Works under the Air Pollution Control (Construction Dust) Regulation (Form NA)	Ref. No.: 451539	Throughout the Contract
Wastewater Discharge Licence (Land and Marine works)	WT00035775-2020	23/08/2021 - 31/07/2025
Chemical Waste Producer Registration	5213-839-A2987-01	Throughout the Contract
Construction Noise Permit (24 hrs) - CNP for general works, TBM at Combined Shaft and marine works	GW-RE1041-21	01/11/2021 - 30/04/2022
Billing Account for Disposal of Construction Waste	7036276	Throughout the Contract
Vessel CHITs for fill disposal	7039300	*Application for renewal was submitted on 14 December 2021. Application in progress
Dumping at Sea Ordinance (DASO) Permit to dump materials (Category M) at sea	EP/MD/22-083	03/12/2021 - 02/01/2022
Dumping at Sea Ordinance (DASO) Permit to dump materials (Category L) at sea	EP/MD/22‐028	02/08/2021 - 01/02/2022

The status for all environmental aspects is presented in Table 1.3.

Table 1.3 Summary of Status for Key Environmental Aspects under the EM&A Manual

Parameters	Status
Water Quality
Baseline Monitoring under EM&A Manual	The baseline water quality monitoring was conducted between 12 May 2020 to 6 Jun 2020
Impact Monitoring	On-going
Noise
Baseline Monitoring	The baseline noise monitoring result has been reported in Baseline Monitoring Report and submitted to EPD under EP Condition 3.4
Impact Monitoring	On-going
Waste Management
Mitigation Measures in Waste Monitoring Plan	On-going
Landfill Gas
Regular Monitoring when Construction Works are within the 250m Consultation Zone	In this reporting period, 47 time of landfill gas monitoring was recorded at Wan Po Road (Ch1+360 - Ch1+513). No exceedance of action and limit levels for methane, oxygen and carbon dioxide was observed. Monitoring was conducted during excavations at 1m depth or more within the consultation zone and whenever workers entered the excavation on the day.
Environmental Audit
Site Inspection covering Measures of Air Quality, Noise Impact, Water Quality, Waste, Ecological Quality, Fisheries, Landscape and Visual	On-going

Other than the EM&A work by ET, environmental briefings, trainings and regular environmental management meetings were conducted, in order to enhance environmental awareness and closely monitor the environmental performance of the contractors.

The EM&A programme has been implemented in accordance with the recommendations presented in the approved EIA Report and the EM&A Manual. A summary of implementation status of the environmental mitigation measures for the construction phase of the Contract during the reporting period is provided in Appendix C.

2. NOISE

2.1. MONITORING REQUIREMENTS

To ensure no adverse noise impact, noise monitoring is recommended to be carried out within 300m radius from the nearby noise sensitive receivers (NSRs), during construction phase. The NSRs selected as monitoring station are (i) NSR4 - Creative Secondary School, (ii) NSR24 - PLK Laws Foundation College, and (iii) NSR31 - School of Continuing and Professional Studies - CUHK respectively.

In accordance with the EM&A Manual, baseline noise level at the noise monitoring stations were established as presented in the Baseline Monitoring Report. Impact noise monitoring will be conducted once per week in the form of 30-minutes measurements Leq, L10 and L90 levels recorded at each monitoring station between 0700 and 1900 on normal weekdays.

Referring to EM&A manual Section 4.1.2, the impact noise monitoring should be carried out at all the designated monitoring stations when there are contract-related construction activities undertaken within a radius of 300m from the monitoring stations.

No impact monitoring for noise impact was conducted in the reporting month due to the overly distant monitoring station from the works location, where they were farther than 1 km from the closest monitoring station NSR4 to the works location.

Impact noise monitoring will be conducted weekly in the reporting period between 0700-1900 on normal weekdays. Construction works would follow stipulations of the valid Construction Noise Permits if works had to be conducted during restricted hours or public holidays.

Construction noise level were measured in terms of the A-weighted equivalent continuous sound pressure level (LAeq). Leq 30min was used as the monitoring parameter for the time period between 0700 and 1900 on normal weekdays. Table 2.1 summarizes the monitoring parameters, frequency and duration of the impact noise monitoring.

Table 2.1 Noise Monitoring Parameters, Time, Frequency and Duration

Time	Duration	Interval	Parameters
Daytime: 0700-1900	Day time: 0700-1900 (during normal weekdays)	Continuously in Leq 5min/Leq 30min (average of 6 consecutive Leq 5min)	Leq 30min L10 30min & L90 30min

2.2. MONITORING LOCATIONS

The monitoring locations should normally be made at a point 1m from the exterior of the NSRs building façade and be at a position 1.2m above the ground. A correction of +3dB(A) should be made to the free-field measurements.

According to the environmental findings detailed in the EIA report and Baseline Monitoring Report, the designated locations for the construction noise monitoring are listed in Table 2.2 below.

Table 2.2 Noise Sensitive Receivers

NSR ID	Noise Sensitive Receivers	Monitoring Location	Position
NSR 4	Creative Secondary School	Roof Floor	1 m from facade
NSR 24	PLK Laws Foundation College	Pedestrian Road on Ground Floor	Free-field
NSR 31	School of Continuing and Professional Studies - CUHK	Roof Floor	1 m from facade

Three noise monitoring locations for impact monitoring at the nearby sensitive receivers are shown in Figure 2.1-2.3.

Figure 2.2 NSR24 PLK Laws Foundation College

Figure 2.3 NSR31 School of Continuing and Professional Studies - CUHK

2.3. IMPACT MONITORING METHODOLOGY

Integrated sound level meter shall be used for the noise monitoring. The meter shall be in compliance with the International Electrotechnical Commission Publications 651: 1979 (Type 1) and 804: 1985 (Type 1) specifications. Immediately prior to and following each noise measurement the accuracy of the sound level meter shall be checked using an acoustic calibrator generating a known sound pressure level at a known frequency. Measurements may be accepted as valid only if the calibration levels before and after the noise measurements agree to within 1.0 dB(A). Calibration certificates of the instruments used to be shown at Appendix F are intentionally left blank since no impact monitoring equipment was used in the reporting month.

Noise measurements shall not be made in the presence of fog, rain, wind with a steady speed exceeding 5 m/s or wind with gusts exceeding 10 m/s. The wind speed shall be checked with a portable wind speed meter capable of measuring the wind speed in m/s.

Table 2.3 Impact Noise Monitoring Equipment

Equipment	Brand and Model	Detection Limit
Sound Level Meter	Nti XL2	30-130 dB(A)
Sound Level Meter Calibrator	Rion NC-74	Nil
Pocket Wind Meter Anemometer	Kestrel 1000 Wind Meter	Nil

2.4. ACTION AND LIMIT LEVELS

The Action/Limit Levels are in line with the criteria of Practice Note for Professional Persons (ProPECC PN 2/93) ¡§Noise from Construction Activities - Non-statutory Controls¡¨ and Technical Memorandum on Environmental Impact Assessment Process issued by HKSAR Environmental Protection Department [¡§EPD¡¨] under the Environmental Impact Assessment Ordinance, Cap 499, S.16 are presented in Table 2.4.

Table 2.4 Action and Limit Levels for Noise per EM&A Manual

Time Period	Action	Limit (dB(A))
0700-1900 on normal weekdays	When one documented complaint is received from any one of the noise sensitive receivers	- 70 dB(A) for school and - 65 dB(A) during examination period

Notes: Limits specified in the GW-TM and IND-TM for construction and operation noise, respectively.

If exceedances were found during noise monitoring, the actions in accordance with the Event and Action Plan shall be carried out according to Appendix E.

2.5. MONITORING RESULTS AND OBSERVATIONS

Referring to EM&A manual Section 4.1.2, the impact noise monitoring should be carried out when there are Contract-related construction activities undertaken within a radius of 300m from the monitoring stations. No monitoring station was located within a radius of 300m of the Contract site as shown in Figure 2.4, no impact monitoring for noise impact was conducted in the reporting period.

Figure 2.4 Site Layout Plan with Noise Sensitive Receivers and Desalination Plant

3. WATER QUALITY

In accordance with the recommendations of the EIA, water quality EM&A is required during dredging for the submarine pipelines and, during operation phase. In addition, baseline water quality monitoring will be required prior to the commencement of marine construction activities. The following Section provides details of the water quality monitoring to be undertaken by the Environmental Team (ET) to verify the distance of sediment and brine plume dispersion and to identify whether the potential exists for any indirect impacts to occur to ecological sensitive receivers. The water quality monitoring programme will be carried out to allow any deteriorating water quality to be readily detected and timely action taken to rectify the situation. The status and locations of water quality sensitive receivers and the marine works location may change after issuing this Document. If required, the ET in consultation with IEC will propose updated monitoring locations and seek approval from EPD.

Water quality monitoring for the Contract can be divided into the following stages:

- Dredging activities during construction phase;

- Discharge of effluent from main disinfection during construction phase;

- Operation phase - first year upon commissioning; and,

- Continuous monitoring of effluent quality.

In addition, the marine works contractor is required to complete a silt curtain efficiency test for the combined use of floating silt curtain type and cage type silt curtain for dredging at seawater intake to confirm the silt curtain reduction efficiency assumptions of the assessment. The details of testing plan together with the silt curtain deployment plan shall be submitted by the ET to seek approval from the IEC and EPD.

With the onset of marine dredging activities in late April 2021 at Outfall Shaft Area, a silt curtain efficiency test has been conducted at the Outfall Shaft Area on 16th April 2021 at 6 monitoring intervals (08:00, 10:00, 12:00, 14:00, 16:00, 18:00). The baseline monitoring event has been conducted on 10th April 2021 at 5 monitoring locations. Testing protocols and methodologies had followed the guidelines as presented in the EM&A Manual Annex C. Detailed analysis of in-situ and laboratory data was presented in a separate report which has been submitted to EPD after approval by IEC on 31 May 2021. The overall Silt Removal Effectiveness at Outfall Shaft Area for the combined used of cage and floating type silt curtains was 95.28%.

3.1.1. WATER QUALITY PARAMETERS

The parameters that have been selected for measurement in situ and in the laboratory are those that were either determined in the EIA to be those with the most potential to be affected by the construction works or are a standard check on water quality conditions. Parameters to be measured in the baseline monitoring are listed in Table 3.1.

Table 3.1 Parameters measured in the baseline marine water quality monitoring

Parameters	Unit	Abbreviation
In-situ measurements
Dissolved oxygen	mg/L	DO
Temperature	oC	-
pH	-	-
Turbidity	NTU	-
Salinity	0/00	-
Total Residual Chlorine NOTE1	mg/L	TRC
Laboratory measurements
Suspended Solids	mg/L	SS
Iron-Soluble NOTE2	mg/L	Fe
Anti-scalant as Reactive Phosphorus NOTE2	mg/L	PO4 as P-

NOTE 1: Monitoring of TRC will be conducted when cleaning and sterilization of the new freshwater main is carried out. NOTE 2: The testing methods shall be submitted to EPD for approval prior to the commencement of monitoring programme

In addition to the water quality parameters, other relevant data will also be measured and recorded in Water Quality Monitoring Logs, including the location of the sampling stations, water depth, time, weather conditions, sea conditions, tidal stage, current direction and velocity, special phenomena and work activities undertaken around the monitoring and works area that may influence the monitoring results.

3.1.2. MONITORING EQUIPMENT

For water quality monitoring, the following equipment will be used:

Dissolved Oxygen and Temperature Measuring Equipment - The instrument will be a portable, weatherproof dissolved oxygen measuring instrument complete with cable, sensor, comprehensive operation manuals, and will be operable from a DC power source. It will be capable of measuring: dissolved oxygen levels in the range of 0 - 20 mg/L and 0 - 200% saturation; and a temperature of 0

- 45 degrees Celsius. It shall have a membrane electrode with automatic temperature compensation complete with a cable of not less than 35 m in length. Sufficient stocks of spare electrodes and cables shall be available for replacement where necessary (e.g. YSI model 59 DO meter, YSI 5739 probe, YSI 5795A submersible stirrer with reel and cable or an approved similar instrument).

Turbidity Measurement Equipment - The instrument will be a portable, weatherproof turbidity- measuring unit complete with cable, sensor and comprehensive operation manuals. The equipment will be operated from a DC power source, it will have a photoelectric sensor capable of measuring turbidity between 0 - 1000 NTU and will be complete with a cable with at least 35 m in length (for example Hach 2100P or an approved similar instrument).

Salinity Measurement Instrument - A portable salinometer capable of measuring salinity in the range of 0 - 40 ppt will be provided for measuring salinity of the water at each monitoring location.

Water Depth Gauge - A portable, battery-operated echo sounder (for example Seafarer 700 or a similar approved instrument) will be used for the determination of water depth at each designated monitoring station. This unit will preferably be affixed to the bottom of the work boat if the same vessel is to be used throughout the monitoring programme. The echo sounder should be suitably calibrated. The ET shall seek approval for their proposed equipment with the client prior to deployment.

Current Velocity and Direction - No specific equipment is recommended for measuring the current velocity and direction. The environmental contractor shall seek approval of their proposed equipment with the client prior to deployment.

Positioning Device - A Global Positioning System (GPS) shall be used during monitoring to allow accurate recording of the position of the monitoring vessel before taking measurements. The Differential GPS, or equivalent instrument, should be suitably calibrated at appropriate checkpoint (e.g. Quarry Bay Survey Nail) to verify that the monitoring station is at the correct position before the water quality monitoring commence.

Water Sampling Equipment - A water sampler, consisting of a PVC or glass cylinder of not less than two litres, which can be effectively sealed with cups at both ends, will be used (e.g. Kahlsico Water Sampler 13SWB203 or an approved similar instrument). The water sampler will have a positive latching system to keep it open and prevent premature closure until released by a messenger when the sampler is at the selected water depth.

Total Residual Chlorine for Discharge of Sterilization Water - Total residual chlorine (TRC) shall be measured in-situ using a handheld colorimeter with its testing toolkits.

3.1.3. SAMPLING / TESTING PROTOCOLS

All in situ monitoring instruments will be checked, calibrated and certified by a laboratory accredited under HOKLAS or any other international accreditation scheme before use, and subsequently re- calibrated at monthly intervals throughout the stages of the water quality monitoring. Responses of sensors and electrodes will be checked with certified standard solutions before each use.

On-site calibration of field equipment shall follow the ¡§Guide to On-Site Test Methods for the Analysis of Waters¡¨, BS 1427: 2009. Sufficient stocks of spare parts shall be maintained for replacements when necessary. Backup monitoring equipment shall also be made available so that monitoring can proceed uninterrupted even when equipment is under maintenance, calibration etc.

3.1.4. LABORATORY MEASUREMENT AND ANALYSIS

All laboratory work shall be carried out in a HOKLAS accredited laboratory. Sufficient volume of each water sample shall be collected at the monitoring stations for carrying out the laboratory analyses. Using chain of custody forms, collected water samples will be transferred to an HOKLAS accredited laboratory for immediate processing. The determination work shall start within the next working day after collection of the water samples. The laboratory measurements shall be provided to the client within 5 working days of the sampling event. Analytical methodology and sample preservation of other parameters will be based on the latest edition of Standard Methods for the Examination of Waste and Wastewater published by APHA, AWWA and WPCF and methods by USEPA, or suitable method in accordance with requirements of HOKLAS or another internationally accredited scheme. The submitted information should include pre-treatment procedures, instrument use, Quality Assurance/Quality Control (QA/QC) details (such as blank, spike recovery, number of duplicate samples per-batch etc), detection limits and accuracy. The QA/QC details shall be in accordance with requirements of HOKLAS or another internationally accredited scheme.

Parameters for laboratory measurements, their standard methods and their detection limits are presented in Table 3.2.

Table 3.2 Laboratory measurements, standard methods and corresponding detection limits of marine water quality monitoring

Parameters	Standard Methods	Detection Limit	Reporting Limit	Precision
Dissolved oxygen (mg/L)	Instrumental, CTD	0.1	-	+-25%
Temperature (oC)	Instrumental, CTD	0.1	-	+-25%
pH	Instrumental, CTD	0.1	-	+-25%
Turbidity (NTU)	Instrumental, CTD	0.1	-	+-25%
Salinity (0/00)	Instrumental, CTD	0.1	-	+-25%
Suspended Solids (mg/L)	APHA 17th Ed 2540D	1.0	2.0	+-17%
Total Residual Chlorine (mg/L)	APHA 21st Ed 4500 - Cl G NOTE1	0.1NOTE1	0.2NOTE1	+-10% NOTE1
Iron-soluble	USEPA 6010C NOTE 1	0.2NOTE1	0.2NOTE1	+-25%NOTE1
Anti-scalant as Reactive phosphorus	APHA 4500P: B&F NOTE1	0.01NOTE1	0.01NOTE1	+-25%NOTE1

NOTE1: The testing methods, Quality Assurance/Quality Control (QA/QC) details, detection limits and accuracy shall be submitted to EPD for approval prior to the commencement of monitoring programme.

If exceedances were found during water monitoring, the actions in accordance with the Event and Action Plan shall be carried out according to Appendix G.

3.1.5. MONITORING LOCATION

The water quality monitoring locations for baseline are in accordance with the EM&A Manual and detailed in Table 3.3 below. A schedule for water quality monitoring shall be prepared by the ET and approved by IEC and EPD prior to the commencement of the monitoring.

Table 3.3 Location of Baseline Water Quality Monitoring Station

Station	Easting	Northing	Description
CE	843550	815243	Upstream control station at ebb tide
CF	846843	810193	Upstream control station at flood tide
WSR1	846864	812014	Ecological sensitive receiver at Tung Lung Chau
WSR2	847645	812993	Fisheries sensitive receiver at Tung Lung Chau
WSR3	848023	813262	Ecological sensitive receiver at Tung Lung Chau
WSR4	847886	814154	Ecological sensitive receiver at Tai Miu Wan
WSR16	845039	815287	Ecological sensitive receiver at Fat Tong Chau
WSR33	847159	814488	Ecological sensitive receiver at Tai Miu Wan
WSR36	846878	814081	Ecological sensitive receiver at Kwun Tsai
WSR37	846655	813810	Ecological sensitive receiver at Tit Cham Chau
NF1	846542	813614	Edge of mixing zone, ~ 200m west of outfall diffuser
NF2	846942	813614	Edge of mixing zone, ~ 200m east of outfall diffuser
NF3	846742	813414	Edge of mixing zone, ~ 200m south of outfall diffuser

WSR1 to WSR37 were identified in accordance with Annex 14 of the EIAO-TM as well as Clause 3.4.4.2 of the Environmental Impact Assessment Study Brief for Desalination Plant at Tseung Kwan O (No. ESB-266/2013). WSR1 to WSR3 are sited near the Tung Lung Chau Fish Culture Zone; WSR16 and WSR36 are sited near the coral assemblages along the coastlines of Fat Tong Chau and Kwun Tsai respectively; WSR 4 and WSR33 are sited near the Coastal Protection Area and coral assemblages in waters of Tai Miu Wan; WSR37 is sited near the fisheries resource including spawning and nursery grounds at the coastal water of Tit Cham Chau.

Figure 3.1 Baseline and Impact water quality monitoring locations under EM&A Manual

3.1.6. SAMPLING FREQUENCY

During periods when there are dredging works, impact monitoring should be undertaken at the monitoring stations as shown in Figure 3.1 and Table 3.3 three days per week during the construction phase after the commencement of marine construction works and dredging activities. Monitoring at each station would be undertaken at both mid-ebb and mid-flood tides on the same day. The tidal range selected for the baseline monitoring will be at least 0.5 m for both flood and ebb tides as far as practicable. The interval between two sets of monitoring would not be less than 36 hours. The monitoring frequency would be increased in the case of exceedances of Action/Limit Levels if considered necessary by ET. Monitoring frequency would be maintained as far as practicable.

The monitoring location/position, time, water depth, water temperature, salinity, weather conditions, sea conditions, tidal stage, special phenomena and work underway at the marine works site will be recorded.

3.1.7. SAMPLING DEPTHS & REPLICATION

For baseline monitoring, each station will be sampled and measurements/ water samples will be taken at three depths, 1 m below the sea surface, mid-depth and 1 m above the seabed. For stations that are less than 3 m in depth, only the mid depth sample shall be taken. For stations that are less than 6 m in depth, only the surface and seabed sample shall be taken. For in situ measurements, duplicate readings shall be made at each water depth at each station. Duplicate water samples shall be collected at each water depth at each station. All observations and results were recorded in the data record sheets in Appendix L.

3.1.8. ACTION AND LIMIT LEVELS

The Action and Limit Levels have been set based on the derivation criteria specified in the EM&A Manual, as shown in Table 3.4 below. Based on the baseline water quality monitoring data and the derivation criteria specified in Table 3.4, the Action/Limit Levels have been derived and are presented in Table 3.5.

3.2. MONITORING PROGRAMME

The ET of the Contract had conducted the baseline water monitoring between 12 May 2020 to 6 Jun 2020 at the thirteen designated monitoring stations and the six designated monitoring at waters near TKO in accordance with the EM&A Manual and Contract Specification respectively. The monitoring results was presented in Baseline Water Quality Monitoring Report separately.

The commencement of marine construction and dredging activities for the Contract have been conducted in March and April 2021 respectively.

Table 3.4 Criteria of Action and Limit Levels for Water Quality

Parameters	Action	Limit
Construction Phase Impact Monitoring
DO in mg/L	Surface and Middle 5%-ile of baseline data for surface and middle layer Bottom 5%-ile of baseline data for bottom layers Tung Lung Chau Fish Culture Zone 5.1 mgL-1 or level at control station (whichever the lower)	Surface and Middle 4 mg L-1 Bottom 2 mg L-1 Tung Lung Chau Fish Culture Zone 5.0 mgL-1 or level at control station (whichever the lower)
SS in mg/L (Depth- averaged)	≥ 95 %-ile of baseline data or 20% exceedance of value at any impact station compared with corresponding data from control station	≥ 99 %-ile of baseline data or 30% exceedance of value at any impact station compared with corresponding data from control station
Turbidity in NTU (Depth-averaged)	≥ 95 %-ile of baseline data or 20% exceedance of value at any impact station compared with corresponding data from control station	≥ 99 %-ile of baseline data or 30% exceedance of value at any impact station compared with corresponding data from control station
First-year Operation Phase Monitoring
DO in mg/L	Surface and Middle 5%-ile of baseline data for surface and middle layer Bottom 5%-ile of baseline data for bottom layers Tung Lung Chau Fish Culture Zone 5.1 mgL-1 or level at control station (whichever the lower)	Surface and Middle 4 mg L-1 Bottom 2 mg L-1 Tung Lung Chau Fish Culture Zone 5.0 mgL-1 or level at control station (whichever the lower)
SS in mg/L (Depth- averaged)	≥ 95 %-ile of baseline data or 20% exceedance of value at any impact station compared with corresponding data from control station	≥ 99 %-ile of baseline data or 30% exceedance of value at any impact station compared with corresponding data from control station
Turbidity in NTU (Depth-averaged)	≥ 95 %-ile of baseline data or 20% exceedance of value at any impact station compared with corresponding data from control station	≥ 99 %-ile of baseline data or 30% exceedance of value at any impact station compared with corresponding data from control station
Salinity in PSU (Depth-averaged)	109% of baseline level or 9% exceedance of value at any impact station compared with corresponding data from control station	110% of baseline level or 10% exceedance of value at any impact station compared with corresponding data from control station
Iron in mg/L (Depth-averaged)	0.3 mgL-1	0.3 mgL-1

Table 3.5 Derived Action and Limit Levels for Water Quality

Parameters	Action	Limit
Construction Phase Impact Monitoring
DO in mg/L	Surface and Middle	Surface and Middle
	7.30 mg L-1	4 mg L-1
	Bottom	Bottom
	7.31 mg L-1	2 mg L-1
	Tung Lung Chau Fish Culture Zone	Tung Lung Chau Fish Culture Zone
	5.1 mgL-1 or level at control station	5.0 mgL-1 or level at control station
	(whichever the lower)	(whichever the lower)
SS in mg/L	5.00 mg L-1 or 20% exceedance of	6.00 mg L-1 or 30% exceedance of
(Depth-averaged)	value at any impact station	value at any impact station
	compared with corresponding data	compared with corresponding data
	from control station	from control station
Turbidity in NTU	2.41 NTU or 20% exceedance of	2.84 NTU or 30% exceedance of
(Depth-averaged)	value at any impact station	value at any impact station
	compared with corresponding data	compared with corresponding data
	from control station	from control station
First-year Operation Phase Monitoring iv
DO in mg/L	Surface and Middle	Surface and Middle
	7.30 mg L-1	4 mg L-1
	Bottom	Bottom
	7.31 mg L-1	2 mg L-1
	Tung Lung Chau Fish Culture Zone	Tung Lung Chau Fish Culture Zone
	5.1 mgL-1 or level at control station	5.0 mgL-1 or level at control station
	(whichever the lower)	(whichever the lower)
SS in mg/L	5.00 mg L-1 or 20% exceedance of	6.00 mg L-1 or 30% exceedance of
(Depth-averaged)	valueat any impact station	value at any impact station
	compared with corresponding data	compared with corresponding data
	from control station	from control station
Turbidity in NTU (Depth-averaged)	2.41 NTU or 20% exceedance of value at any impact station compared with corresponding data from control station	2.84 NTU or 30% exceedance of value at any impact station compared with corresponding data from control station
Salinity in PSU (Depth-averaged)	34.28 PSU or 9% exceedance of value at any impact station compared with corresponding data from control station	34.60 PSU or 10% exceedance of value at any impact station compared with corresponding data from control station
Iron in mg/L (Depth-averaged)	0.3 mgL-1	0.3 mgL-1

Notes:

i. "Depth-averaged" is calculated by taking the arithmetic means of reading of all three depths.

ii. For DO, non-compliance of the water quality limits occurs when monitoring result is lower than the limits.

iii. For Turbidity, SS, iron and Salinity, non-compliance of the water quality limits occurs when monitoring result is higher than the limits.

iv. For the Action and Limit Levels adopted during First-year Operation Phase Monitoring, further review would be made according to the EM&A Manual during Operation Phase.

3.3. MONITORING RESULTS AND OBSERVATIONS

General water quality monitoring at the ten monitoring stations (CE, CF, WSR1, WSR2, WSR3, WSR4, WSR16, WSR33, WSR36 and WSR37) were conducted on 1, 4, 6, 8, 11, 13, 15, 18, 20, 22, 25, 27, 29 and 31 January 2022.

Fifty-two (52) of the general water quality monitoring results of suspended solids (SS) obtained had exceeded the Action Level. Thirty-three (33) of the general water quality monitoring results of SS obtained during the reporting period had exceeded the Limit Level.

Details of the exceedance are presented in Appendix O.

Investigation on the reason of exceedance has been carried out, where the exceedances of SS on1, 4, 6, 8, 11, 15, 18, 20, 22, 25, 27, 29 and 31 January 2022 were concluded to be unrelated to the Contract as detailed in the Incident Reports on Action Level or Limit Level Non-compliance along with supporting materials in Appendix O.

Monitoring results of 6 key parameters: Salinity, DO, turbidity, SS, pH and temperature in this reporting, are summarized in Table 3.6 and Table 3.7, and detailed results are presented in Appendix L.

Table 3.6 Summary of Impact Water Quality Monitoring Results (Mid-Flood)

Locations		Parameters
		Salinity (ppt)	Dissolved Oxygen (mg/L)		pH	Turbidity (NTU)	Suspended Solids (mg/L)	Temp.(oC)
			Surface & Middle	Bottom
CE	Avg.	32.8	8.8	8.8	8.2	3.3	4.1	21.1
	Min.	30.1	8.1	8.1	8.0	2.3	2.5	19.7
	Max.	35.1	9.6	9.6	8.5	4.3	12.0	23.1
CF	Avg.	32.8	8.7	8.7	8.3	3.9	5.4	21.2
	Min.	30.3	8.2	8.2	8.0	2.2	2.5	20.1
	Max.	34.9	9.0	9.1	8.5	5.7	22.0	22.9
WSR1	Avg.	32.8	8.7	8.6	8.2	2.7	4.4	21.1
	Min.	30.3	8.2	8.2	8.0	1.6	2.5	19.6
	Max.	35.0	9.4	9.4	8.5	4.0	8.0	22.7
WSR2	Avg.	33.0	9.0	8.9	8.3	2.3	5.0	21.2
	Min.	31.1	8.3	8.4	8.0	1.5	2.5	19.7
	Max.	35.0	9.8	9.9	8.5	3.4	21.0	23.2
WSR3	Avg.	32.4	8.7	8.7	8.3	2.7	6.5	23.5
	Min.	31.1	7.7	7.7	8.1	1.6	2.5	21.9
	Max.	33.3	9.4	9.4	8.5	4.6	23.0	25.8
WSR4	Avg.	32.7	8.8	8.8	8.2	2.7	6.4	21.2
	Min.	30.6	8.3	8.0	8.0	1.8	2.5	20.0
	Max.	35.3	9.6	9.6	8.4	3.8	36.0	22.5
WSR16	Avg.	32.2	8.8	8.8	8.3	2.9	6.4	23.6
	Min.	31.0	8.1	8.0	8.1	1.7	3.0	22.0
	Max.	33.8	9.5	9.5	8.5	4.3	26.0	25.6
WSR33	Avg.	32.7	8.6	8.6	8.3	2.9	4.3	21.1
	Min.	30.6	8.0	8.0	8.0	1.8	2.5	19.9
	Max.	34.3	9.0	9.1	8.5	4.3	8.0	22.6
WSR36	Avg.	32.7	8.9	8.8	8.3	2.7	4.9	21.1
	Min.	30.9	8.3	8.2	8.1	1.3	2.5	19.9
	Max.	35.2	9.7	9.8	8.5	4.0	13.0	22.6
WSR37	Avg.	32.8	8.8	8.8	8.3	2.8	5.3	21.1
	Min.	30.6	8.3	8.3	8.0	1.8	2.5	19.8
	Max.	35.2	9.8	9.7	8.5	4.4	23.0	22.8

Notes:

i. "Avg", ¡§Min¡¨ and ¡§Max¡¨ is the average, minimum and maximum respectively of the data from measurements conducted under mid-flood and mid-ebb tides at three water depths, except that of DO where the data for ¡§Surface & Middle¡¨ and ¡§Bottom¡¨ are calculated separately.

ii. Measurement data of Suspending Solids would be rounding to 2.5mg/L if the value was less than 2.5mg/L to facilitate data analysing.

Table 3.7 Summary of Impact Water Quality Monitoring Results (Mid-Ebb)

Locations		Parameters
		Salinity (ppt)	Dissolved Oxygen (mg/L)		pH	Turbidity (NTU)	Suspended Solids (mg/L)	Temp.(oC)
			Surface & Middle	Bottom
CE	Avg.	32.8	8.7	8.7	8.2	3.9	4.7	21.2
	Min.	30.9	7.9	7.9	8.1	2.8	2.5	19.8
	Max.	34.8	9.8	9.7	8.4	5.2	11.0	22.8
CF	Avg.	32.6	8.6	8.6	8.2	3.3	5.2	21.2
	Min.	30.6	7.9	7.9	8.0	2.3	2.5	20.2
	Max.	34.4	9.4	9.4	8.5	4.7	17.0	22.9
WSR1	Avg.	32.9	8.6	8.6	8.2	2.8	5.4	21.2
	Min.	30.1	8.1	8.1	7.9	1.6	2.5	19.8
	Max.	35.1	9.3	9.3	8.4	4.1	13.0	23.0
WSR2	Avg.	32.8	8.7	8.7	8.3	2.4	4.5	21.1
	Min.	30.5	8.0	8.1	8.0	1.5	2.5	19.8
	Max.	34.6	9.2	9.2	8.5	3.8	8.0	22.9
WSR3	Avg.	32.6	8.7	8.7	8.2	2.8	5.2	21.1
	Min.	29.9	8.2	8.3	7.9	1.4	2.5	20.1
	Max.	34.6	9.6	9.6	8.4	4.5	20.0	22.9
WSR4	Avg.	32.7	8.8	8.8	8.2	2.8	5.8	21.2
	Min.	30.3	8.1	8.1	8.0	1.6	2.5	19.9
	Max.	34.8	9.7	9.7	8.5	4.4	28.0	23.5
WSR16	Avg.	32.9	8.7	8.7	8.3	2.8	4.9	21.1
	Min.	30.0	7.9	8.0	7.9	1.8	2.5	19.8
	Max.	34.8	9.4	9.3	8.4	4.0	13.0	23.0
WSR33	Avg.	32.7	8.6	8.7	8.2	2.7	5.5	21.2
	Min.	30.4	8.1	8.0	7.9	1.8	2.5	19.9
	Max.	34.3	9.4	9.3	8.4	4.2	16.0	23.3
WSR36	Avg.	32.7	8.5	8.5	8.2	2.9	4.5	21.2
	Min.	29.9	8.1	8.1	7.9	1.8	2.5	19.8
	Max.	34.7	9.0	9.0	8.4	4.0	9.0	23.1
WSR37	Avg.	32.7	8.7	8.7	8.2	2.9	5.3	21.2
	Min.	30.1	8.0	7.9	7.9	1.6	2.5	20.0
	Max.	34.3	9.3	9.3	8.4	4.0	27.0	23.4

Notes:

i. "Avg", ¡§Min¡¨ and ¡§Max¡¨ is the average, minimum and maximum respectively of the data from measurements conducted under mid-flood and mid-ebb tides at three water depths, except that of DO where the data for ¡§Surface & Middle¡¨ and ¡§Bottom¡¨ are calculated separately.

ii. Measurement data of Suspending Solids would be rounding to 2.5mg/L if the value was less than 2.5mg/L to facilitate data analysing.

4. WASTE

The waste generated from this Contract includes inert construction and demolition (C&D) materials, and non-inert C&D materials. Non- inert C&D materials are made up of general refuse, vegetative wastes and recyclable wastes such as plastics and paper/cardboard packaging waste. Steel materials generated from the Contract are also grouped into non-inert C&D materials as the materials were not disposed of with other inert C&D materials. With reference to relevant handling records and trip tickets of this Contract, the quantities of different types of waste generated in the reporting month are summarised in Table 4.1. Details of cumulative waste management data are presented as a waste flow table in Appendix H.

Table 4.1 Quantities of Waste Generated from the Contract during January 2022

Reporting Month	Actual Quantities of Inert C&D Materials Generated Monthly						Actual Quantities of C&D Wastes Generated Monthly
	Total Quantity Generated	Hard Rock and Large Broken Concrete	Reused in the Contract	Reused in other Projects	Disposed as Public Fill	Imported Fill	Metals	Paper / cardboard packaging	Plastics (see Note)	Chemical Waste	Others, e.g. general refuse
	(in ,000kg)	(in ,000kg)	(in ,000kg)	(in ,000kg)	(in ,000kg)	(in ,000kg)	(in ,000kg)	(in ,000kg)	(in ,000kg)	(in ,000kg)	(in ,000kg)
January 2022*	233.850	0	0	0	233.850	0	0	0.069	0.005	0	109.02

Notes: (1) Plastics refer to plastic bottles / containers, plastic sheets / foam from packaging material

* The data may be updated in the next reporting month after final confirmation by the end of the month.

5. LANDFILL GAS MONITORING

5.1. MONITORING REQUIREMENT

In accordance with Section 11 of the EM&A Manual, monitoring of landfill gas is required for construction works within the 250m Consultation Zone. Part of the desalination plant and the indicative area of natural slope mitigation works fall within the SENT Landfill Extension Consultation Zone; and part of the 1,200 mm diameter fresh water mains along Wan Po Road falls within the SENT Landfill and SENT Landfill Extension Consultation Zones, TKO Stage II/III Restored Landfill and TKO Stage I Restored Landfill Consultation Zones.

5.2. MONITORING LOCATION

Monitoring of oxygen, methane, carbon dioxide and barometric pressure would be performed for excavations at 1m depth or more within the consultation Zone.

During construction of works within the consultation zones, excavations of 1m depth or more was monitored:

- At the ground surface before excavation commences;

- Immediately before any worker enters the excavation;

- At the beginning of each working day for the entire period the excavation remains open; and

- Periodically through the working day whilst workers are in the excavation.

For excavations between 300mm and 1m deep, measurements should be carried out:

- Directly after the excavation has been completed; and

- Periodically whilst the excavation remains open.

5.3. MONITORING PROGRAMME

Since part of the desalination plant (Wan Po Road and MIC compound/Basketball Court) and the indicative area of natural slope mitigation works fall within the SENT Landfill Extension Consultation Zone in this contract (Figure 5.1), landfill gas monitoring would be required for Wan Po Road and MIC compound/Basketball Court (Figure 5.2) if excavations were conducted at more than 300mm deep. Although SENT Landfill Extension has commenced operation since November 2021, no excavation works were conducted at MIC compound/Basketball Court. Hence no landfill gas monitoring would be scheduled for MIC compound/Basketball Court at the current stage. In this reporting period, 47 time of landfill gas monitoring was recorded at Wan Po Road (Ch1+360 - Ch1+513). No exceedance of action and limit levels for oxygen, methane and carbon dioxide was observed. Monitoring was conducted during excavations at 1m depth or more within the consultation zone and whenever workers entered the excavation on the day.

5.4. MONITORING LOCATION

The area required to be monitored for landfill gas in the reporting period is shown in Figure 5.2.

Figure 5.1 Overview of the SENT Extension Consultation Zone and the Contract Site Area

5.5. MONITORING PARAMETERS

LFG monitoring was carried out to identify any migration between the landfill and the Contract and to ensure the safety of the construction, operation and maintenance personnel working on-site, visitors and any other person within the Contract area.

The following parameters were monitored:

- Methane

- Oxygen

- Carbon Dioxide

- Barometric Pressure

Action and Limit Level are provided in Table 5.1.

Table 5.1 Action and Limit Level for Landfill Gas Monitoring Equipment

Parameters	Action Level	Limit Level
Oxygen (O2)	<19% O2	<19% O2
Methane (CH4)	>10% LEL	>80% LEL
Carbon Dioxide (CO2)	>0.5% CO2	>1.5% CO2

5.6. MONITORING EQUIPMENT

Landfill Gas monitoring was carried out using intrinsically-safe, portable multi-gas monitoring instruments. The gas monitoring equipment is:

- Complying with the Landfill Gas Hazard Assessment Guidance Note as intrinsically safe;

- Capable of continuous barometric pressure and gas pressure measurements;

- Normally operated in diffusion mode unless required for spot sampling, when it should be capable of operating by means of an aspirator or pump;

- Having low battery, fault and over range indication incorporated;

- Capable of storing monitoring data, and shall be capable of being downloaded directly;

- Measure in the following ranges:

methane	0-100% LOWER EXPLOSION LIMIT (LEL) AND 0- 100% V/V;
oxygen	0-25% V/V;
carbon dioxide	0-5% v/v; and
barometric pressure	mBar (absolute)

- alarm (both audibly and visually) in the event that the concentrations of the following are exceeded:

methane	>10% LEL;
oxygen	<19%
carbon dioxide	>0.5% by volume
barometric pressure	mBar (absolute)

Figure 5.2 Location Map for Landfill Gas Monitoring at Wan Po Road

5.7. MONITORING RESULTS AND OBSERVATIONS

In this reporting period, 47 time of landfill gas monitoring was recorded at Wan Po Road (Ch1+360 - Ch1+513). No exceedance of action and limit levels for methane, oxygen and carbon dioxide was observed. Monitoring was conducted during excavations at 1m depth or more within the consultation zone and whenever workers entered the excavation on the day.

6. SUMMARY OF MONITORING EXCEEDANCE, COMPLAINTS, NOTIFICATION OF SUMMONS AND PROSECUTIONS

The Environmental Complaint Handling Procedure is shown in below Figure 6.1:

Figure 6.1 Environmental Complaint Handling Procedures

No noise monitoring was conducted during the reporting period since there are no Contract-related construction activities undertaken within a radius of 300m from the monitoring locations.

General water quality monitoring at the ten monitoring stations (CE, CF, WSR1, WSR2, WSR3, WSR4, WSR16, WSR33, WSR36 and WSR37) were conducted on 1, 4, 6, 8, 11, 13, 15, 18, 20, 22, 25, 27, 29 and 31 January 2022.

Fifty-two (52) of the general water quality monitoring results of suspended solids (SS) obtained had exceeded the Action Level. Thirty-three (33) of the general water quality monitoring results of SS obtained during the reporting period had exceeded the Limit Level.

Details of the exceedance are presented in Appendix O.

Investigation on the reason of exceedance has been carried out, where the exceedances of SS on 1, 4, 6, 8, 11, 15, 18, 20, 22, 25, 27, 29 and 31 January 2022 were concluded to be unrelated to the Contract as detailed in the Incident Reports on Action Level or Limit Level Non-compliance along with supporting materials in Appendix O.

In this reporting period, 47 time of landfill gas monitoring was recorded at Wan Po Road (Ch1+360 - Ch1+513). No exceedance of action and limit levels for methane, oxygen and carbon dioxide was observed. Monitoring was conducted during excavations at 1m depth or more within the consultation zone and whenever workers entered the excavation on the day.

ACJCJ¡¦s Environmental Office received a text message on 14 January 2022 from EPD inspector claiming that susceptible oil spillage at the water surface nearby to Outfall Shaft was observed during their routine drone check on 13 January 2022. The message from EPD was relayed to ET by AJCJV on 15 January 2022. Immediate investigation by AJCJV has been made after the acknowledgement of the incident, whilst implementing emergency clean up measure on any residue oil spillage. After investigation, the oil spillage was unlikely originated from the Outfall Shaft. The incident may therefore be considered as non-project related. Detail of the incident could be referring to Appendix O.

Moreover, oil stains were also observed at CEDD pier after leaving of Explosives Vessel on 28 January 2022 by Supervising Officer¡¦s Representative (SOR) during site inspection. ET will keep closely monitoring the performance of Contractor, implementation of water quality mitigation measure and other contamination issue around the Project site, to ensure the EM&A requirement is properly implemented.

No notification of summons and prosecution was received in the reporting period. Statistics on complaints and regulatory compliance are summarized in Appendix J.

7. EM&A SITE INSPECTION

Site inspections were carried out on a weekly basis to monitor the implementation of proper environmental pollution control and mitigation measures under the Contract. In the reporting period, site inspections were carried out on 4, 11, 18, 26 and 31 January 2022 at the site portions listed in Table 7.1 below.

Table 7.1 Summaries of Site Inspection Record

Date	Inspected Site Portion	Time
4 January 2022	TKO 137	14:35 - 17:00
11 January 2022	TKO 137	14:38 - 17:00
18 January 2022	TKO 137	14:30 - 17:15
26 January 2022	TKO 137	09:00 - 12:30
31 January 2022	TKO 137	09:30 - 10:38

Joint site inspections with IEC were carried out on 4, 11, 18, 26 and 31 January 2022.

Environmental deficiencies were observed during weekly site inspection. Key observations during the site inspections and during the reporting period are summarized in Table 7.2.

Table 7.2 Site Observations

Date	Environmental Observations	Follow-up Status
4 January 2022	No major observations were recorded on the reporting day.	Nil.
11 January 2022	No major observations were recorded on the reporting day.	Nil.
18 January 2022	Observation(s) and Recommendation(s) 1. It has been observed during the site inspection on 18 January 2022 that there is a new sources of underground seepage marine water in the outfall shaft caisson that was not by-pass through an uncontaminated isolation system. The main contractor was urged to take immediate remediate action to ensure the seepage marine water should be contained in an isolation system before by-pass through a silt curtain.	1. The seepage water is separated.
26 January 2022	Observation(s) and Recommendation(s) 1. The main contractor was reminded that all chemical containers should be placed in drip tray (VTEC Area, Product water Storage Area and Reverse Osmosis Area) & chemical waste should be stored in appropriate chemical waste container at reverse osmosis area.	1. Chemical moved to proper storage area.
31 January 2022	No major observations were recorded on the reporting day.	Nil

According to the EIA Study Report, Environmental Permit, contract documents and EM&A Manual, the mitigation measures detailed in the documents should be implemented as much as practical during the reporting period. An updated Implementation Status of Environmental Mitigation Measures (EMIS) is provided in Appendix C. Site inspection proforma of the reporting period is provided in Appendix I.

8. FUTURE KEY ISSUES

Works to be undertaken in the next reporting month are:

- Land Survey;

- Construction of solar panel supports at roof of ActiDAFF;

- Construction of Reverse Osmosis (RO) Building - staircases and internal finishing;

- Construction of sludge thickener, Post treatment building (PTB);

- Construction of On-Site Chlorine Generation (OSCG) Building and carbon dioxide (CO2) Tank area;

- Internal finishing work at Product Water Storage Tank (PWST), Electrical Building and Main Electrical (elec), Building and Central Chiller Plant Building (MECCP);

- Manhole construction and Glass Reinforced Plastic (GRP) pipe installation;

- Construction of manholes no,15 and no.16 adjacent to ActiDAFF and RO;

- Construction of 1/F to 2/F walls and columns of Administration Building;

- Construction of reinforced concrete (RC) support of Inspection Corridor;

- Construction of structural wall and Roof of Chemical Building;

- Outfall Shaft - Dewatering; Predrill, Rock cutting and excavations;

- Intake shaft - Retrieval of DN 2500 Tunnel Boring Machine (TBM) under water;

- Pipe jacking at Combined Shaft for Outfall pipelines; and

- Intake tunnel - Demobilize the jack pipe system and commencement of grouting works.

The major environmental impacts brought by the above construction works will include:

- Construction dust and noise generation from construction pipe piling driving works, breaking rock surface, excavation works and marine construction works

- Waste generation from construction activities

- Impact on water quality from marine construction works and inland construction works

The key environmental mitigation measures for the Project in the coming reporting period associated with the above construction works will include:

- Dust suppression by regular wetting and water spraying for construction works

- Reduction of noise from equipment and machinery on-site by regular checking of on-site plant/vehicle to ensure proper functioning

- Sorting and storage of general refuse and construction waste

- Deployment of temporary silt curtain in the area where marine construction works were conducted and deployment of water sedimentation tanks for treatment of wastewater at inland and marine areas before discharge

Referring to EM&A Manual Section 4.1.2, the impact noise monitoring should be carried out at all the designated monitoring stations when there are project-related construction activities undertaken within a radius of 300m from the monitoring stations.

The impact noise monitoring schedule for the next reporting month to be shown at Appendix K is not included since no impact noise monitoring will be conducted in the next reporting month.

9. CONCLUSIONS AND RECOMMENDATIONS

This is the 23rd Monthly EM&A Report for the Project which summarizes the key findings of the EM&A programme during the reporting period from 1 January to 31 January 2022, in accordance with the EM&A Manual and the requirement under FEP-01/503/2015/A.

No noise monitoring was conducted in the reporting period due to the over distant monitoring station from the works location, in which construction activities were not undertaken within a radius of 300m from the monitoring locations.

The EM&A works for water quality were conducted during the reporting period in accordance with the EM&A Manual.

Fifty-two (52) of the general water quality monitoring results of suspended solids (SS) obtained had exceeded the Action Level. Thirty-three (33) of the general water quality monitoring results of SS obtained during the reporting period had exceeded the Limit Level.

Details of the exceedance are presented in Appendix O.

Investigation on the reason of exceedance has been carried out, where the exceedances of SS on 1, 4, 6, 8, 11, 15, 18, 20, 22, 25, 27, 29 and 31 January 2022 were concluded to be unrelated to the Contract as detailed in the Incident Reports on Action Level or Limit Level Non-compliance along with supporting materials in Appendix O.

It was concluded that all exceedances recorded in January were unrelated to the project.

In this reporting period, 47 time of landfill gas monitoring was recorded at Wan Po Road (Ch1+360 - Ch1+513). No exceedance of action and limit levels for methane, oxygen and carbon dioxide was observed. Monitoring was conducted during excavations at 1m depth or more within the consultation zone and whenever workers entered the excavation on the day.

ACJCJ¡¦s Environmental Office received a text message on 14 January 2022 from EPD inspector claiming that susceptible oil spillage at the water surface nearby to Outfall Shaft was observed during their routine drone check on 13 January 2022. The message from EPD was relayed to ET by AJCJV on 15 January 2022. Immediate investigation by AJCJV has been made after the acknowledgement of the incident, whilst implementing emergency clean up measure on any residue oil spillage. After investigation, the oil spillage was unlikely originated from the Outfall Shaft. The incident may therefore be considered as non-project related. Detail of the incident could be referring to Appendix O.

Moreover, oil stains were also observed at CEDD pier after leaving of Explosives Vessel on 28 January 2022 by Supervising Officer¡¦s Representative (SOR) during site inspection. ET will keep closely monitoring the performance of Contractor, implementation of water quality mitigation measure and other contamination issue around the Project site, to ensure the EM&A requirement is properly implemented.

Weekly environmental site inspection was conducted during the reporting period. No major deficiency was observed during site inspection. The environmental performance of the project was therefore considered satisfactory.

According to the environmental site inspections performed in the reporting month, the Contractor is reminded to pay attention on maintaining proper materials storage, site hygiene and dust suppression mitigation measures.

No environmental complaint was received in the reporting period.

No notification of summons or prosecution was received since commencement of the Contract.

The ET will keep track on the construction works to confirm compliance of environmental requirements and the proper implementation of all necessary mitigation measures.

Appendix A

Master Programme

Appendix B

Overview of Desalination Plant in Tseung Kwan O

Appendix C

Summary of Implementation Status of Environmental Mitigation

EIA Reference	Recommended Environmental Protection Measures/ Mitigation Measures	Objectives of the recommended measures & main concerns to address	Implementation Agent	Implementation Stage			Implementation status	Relevant Legislation & Guidelines
				D	C	O
Air Quality
S4.8.1	Impervious dust screen or sheeting will be provided to enclose scaffolding from the ground floor level of building for construction of superstructure of the new buildings.	Land site/ During Construction	Contractor(s)		ü		Implemented	Air Pollution Control (Construction Dust)
S4.8.1	Impervious sheet will be provided for skip hoist for material transport.	Land site/ During Construction, particularly dry season	Contractor(s)		ü		NA
S4.8.1	The area where dusty work takes place should be sprayed with water or a dust suppression chemical immediately prior to, during and immediately after dusty activities as far as practicable.	Land site/ During Construction	Contractor(s)		ü		Implemented
S4.8.1	All dusty materials should be sprayed with water or a dust suppression chemical immediately prior to any loading, unloading or transfer operation.	Land site/ During Construction	Contractor(s)		ü		Implemented
S4.8.1	Dropping heights for excavated materials should be controlled to a practical height to minimize the fugitive dust arising from unloading.	Land site/ During Construction	Contractor(s)		ü		Implemented
S4.8.1	During transportation by truck, materials should not be loaded to a level higher than the side and tail boards, and should be dampened or covered before transport.	Land site/ During Construction	Contractor(s)		ü		Implemented
S4.8.1	Wheel washing device should be provided at the exits of the work sites. Immediately before leaving a construction site, every vehicle shall be washed to remove any dusty material from its body and wheels as far as practicable.	Land site/ During Construction	Contractor(s)		ü		Implemented
S4.8.1	Road sections between vehicle-wash areas and vehicular entrance will be paved.	Land site/ During Construction	Contractor(s)		ü		Implemented
S4.8.1	Hoarding of not less than 2.4m high from ground level will be provided along the length of the Project Site boundary.	Land site/ During construction	Contractor(s)	ü	ü		N/A
S4.8.1	Haul roads will be kept clear of dusty materials and will be sprayed with water so as to maintain the entire road surface wet at all times.	Land site/ During construction	Contractor(s)		ü		Implemented

EIA Reference	Recommended Environmental Protection Measures/ Mitigation Measures	Objectives of the recommended measures & main concerns to address	Implementation Agent	Implementation Stage			Implementation status	Relevant Legislation & Guidelines
				D	C	O
S4.8.1	Temporary stockpiles of dusty materials will be either covered entirely by impervious sheets or sprayed with water to maintain the entire surface wet all the time.	Land site/ During construction	Contractor(s)		ü		Implemented
S4.8.1	Stockpiles of more than 20 bags of cement, dry pulverised fuel ash and dusty construction materials will be covered entirely by impervious sheeting sheltered on top and 3-sides.	Land site/ During construction	Contractor(s)		ü		N/A
S4.8.1	All exposed areas will be kept wet always to minimise dust emission.	Land site/ During construction	Contractor(s)		ü		Implemented
S4.8.1	Ultra-low-sulphur diesel (ULSD) will be used for all construction plant on-site, as defined as diesel fuel containing not more than 0.005% sulphur by weight) as stipulated in Environment, Transport and Works Bureau Technical Circular (ETWB-TC(W)) No 19/2005 on Environmental Management on Construction Sites.	Land site/ During construction/ During Operation	Contractor(s)		ü	ü	Implemented	Environment, Transport and Works Bureau Technical Circular (ETWB- TC(W)) No 19/2005 on Environmental Management on Construction Sites
S4.8.1	The engine of the construction equipment during idling will be switched off.	Land site/ During construction	Contractor(s)		ü		Implemented
S4.8.1	Concrete batching plant will be required on site. control measures recommended in the Guidance Note on a Best Practicable Means for Cement Works (Concrete Batching Plant) (BPM 3/2 (93)) will be implemented. The control measures recommended in the Guidance Note on a Best Practicable Means for Cement Works (Concrete Batching Plant) (BPM 3/2 (93)) will be implemented.	Land site/ During construction	Contractor(s)		ü		N/A
S4.8.1	Regular maintenance of construction equipment deployed on- site will be conducted to prevent black smoke emission.	Land site/ During construction	Contractor(s)		ü		Implemented
S4.10	To ensure proper implementation of the recommended dust mitigation measures and good construction site practices during the construction phase, environmental site audits on weekly basis is recommended throughout the construction period.	Land site/ During construction	Contractor(s)/ Environmental Team (ET) & Independent Environmental Checker (IEC)		ü		Implemented

Note: D - Design stage C - Construction O - Operation

EIA Reference	Recommended Environmental Protection Measures/ Mitigation Measures	Objectives of the recommended measures & main concerns to address	Implementation Agent	Implementation Stage			Implementation status	Relevant Legislation & Guidelines
				D	C	O
Noise
S5.7	Only well-maintained plant will be operated on-site and plant will be serviced regularly during the construction phase.	All area/ During construction	Contractor(s)		ü		Implemented	A Practical Guide for the Reduction of Noise from Construction Works,
S5.7	Silencers or mufflers on construction equipment will be utilised and will be properly maintained during the construction phase.	Noise control/ During construction	Contractor(s)		ü		N/A	A Practical Guide for the Reduction of Noise from Construction Works,
S5.7	Mobile plant, if any, will be sited as far away from NSRs as possible.	Noise control/ During construction	Contractor(s)		ü		N/A	A Practical Guide for the Reduction of Noise from Construction Works,
S5.7	Machines and plant (such as trucks) that may be in intermittent use will be shut down between work periods or will be throttled down to a minimum.	Noise control/ During construction	Contractor(s)		ü		Implemented	A Practical Guide for the Reduction of Noise from Construction Works,
S5.7	Plants known to emit noise strongly in one direction will, wherever possible, be orientated so that the noise is directed away from the nearby NSRs.	Noise control/ During construction	Contractor(s)		ü		N/A	A Practical Guide for the Reduction of Noise from Construction Works,
S5.7	Material stockpiles and other structures will be effectively utilised, wherever practicable, in screening noise from on-site construction activities.	Noise control/ During construction	Contractor(s)		ü		N/A	A Practical Guide for the Reduction of Noise from Construction Works,
S5.7	Use of Quite Powered Mechanical Equipment (QPME).	Noise control/ During construction	Contractor(s)		ü		Implemented	A Practical Guide for the Reduction of Noise from Construction Works,
S5.7	Movable noise barriers of 3m in height with skid footing should be used and located within a few metres of stationary plant and mobile plant such that the line of sight to the NSR is blocked by the barriers. The length of the barrier should be at least five times greater than its height. The noise barrier material should have a superficial surface density of at least 7 kg m-2 and have no o or gappeningss.	Noise control/ During construction	Contractor(s)		ü		N/A	A Practical Guide for the Reduction of Noise from Construction Works,
S5.7	The noise insulating sheet should be deployed such that there would be no opening or gaps on the joints.	Noise control/ During construction	Contractor(s)		ü		N/A	A Practical Guide for the Reduction of Noise from Construction Works,
S5.7	Construction activities (e.g. excavation/shoring, reinstatement	Noise control/	Contractor(s)	ü	ü		Implemented	A Practical Guide for

EIA Reference	Recommended Environmental Protection Measures/ Mitigation Measures	Objectives of the recommended measures & main concerns to address	Implementation Agent	Implementation Stage			Implementation status	Relevant Legislation & Guidelines
				D	C	O
	(asphalt), and pipe jacking) will be planned and carried out in sequence, such that items of PME proposed for these activities will not be operated simultaneously.	During construction						the Reduction of Noise from Construction Works
S5.7	PMEs will not be used at the works areas near educational institutions with residual impact (ie the ¡§influence area¡¨ within a radius of 40m) during school hours in order to reduce impact to the educational institutions.	Noise control / During construction	Contractor(s)		ü		N/A	A Practical Guide for the Reduction of Noise from Construction Works
S5.7	Noise enclosures or acoustic sheds would be used to cover stationary PME such as generators. Portable/Movable noise enclosure made of material with superficial surface density of at least 7 kg m-2 may be used for screening the noise from operation of the saw/groover, concrete.	Noise control/ Pre- construction/ During construction	Contractor(s)	ü	ü		N/A
S5.9	Sawcutting pavement, breaking up of pavement, excavation /shoring, pipe laying, backfilling, reinstatement (concrete) and pipe jacking shall be scheduled outside the examination period.	Noise control/ Pre- construction/ During construction	Contractor(s)	ü	ü		N/A
S5.9	In view the duration of noise exceedance at Creative Secondary School, PLK Laws Foundation College, TKO Kei Tak Primary School and School of Continuing and Professional Studies-CUHK is limited to 8 weeks, the construction work in the influence areas near the four schools shall be scheduled during long school holidays (eg summer holiday, Easter holiday or Christmas holiday, etc) as far as practicable. Scheduling the construction work for the four schools.	Noise control/ Pre- construction/ During construction	Contractor(s)	ü	ü		N/A
S5.10	A noise monitoring programme shall be implemented for the construction phase.	Designated monitoring stations as defined in EM&A Manual/During construction phase	Environmental Team (ET)		ü		N/A
S5.10	The effectiveness of on-site control measures could also be evaluated through the regular site audits.	All facilities/ During construction	Contractor(s)/ Environmental Team (ET) & Independent Environmental Checker (IEC)		ü		Implemented	-

Note: D - Design stage C - Construction O - Operation

EIA Reference	Recommended Environmental Protection Measures/ Mitigation Measures	Objectives of the recommended measures & main concerns to address	Implementation Agent	Implementation Stage			Implementation status	Relevant Legislation & Guidelines
				D	C	O
Water Quality
S6.9	Dredged marine sediment will be disposed of in a gazetted marine disposal area in accordance with marine dumping permit conditions of the Dumping at Sea Ordinance (DASO).	Marine Dredging/ During construction	Contractor(s)		ü		Implemented	Dumping at Sea Ordinance (DASO)
S6.9	Disposal vessels will be fitted with tight bottom seals in order to prevent leakage of material during transport.	Marine Dredging/ During construction	Contractor(s)		ü		Implemented	-
S6.9	Barges will be filled to a level, which ensures that material does not spill over during transport to the disposal site and that adequate freeboard is maintained to ensure that the decks are not washed by wave action.	Marine Dredging/ During construction	Contractor(s)		ü		Implemented	-
S6.9	After dredging, any excess materials will be cleaned from decks and exposed fittings before the vessel is moved from the dredging area.	Marine Dredging/ During construction	Contractor(s)		ü		Implemented	-
S6.9	All vessels should be well maintained and inspected before use to limit any potential discharges to the marine environment.	Marine Dredging/ During construction	Contractor(s)		ü		Implemented	-
S6.9	All vessels must have a clean ballast system.	Marine Dredging/ During construction	Contractor(s)		ü		Implemented	-
S6.9	No discharge of sewage/grey wastewater should be allowed. Waste water from potentially contaminated area on working vessels should be minimized and collected. These kinds of wastewater should be brought back to port and discharged at appropriate collection and treatment system.	Marine Dredging/ During construction	Contractor(s)		ü		observation issued. Rectified after observation	-
S6.9	No soil waste is allowed to be disposed overboard.	Marine Dredging/ During construction	Contractor(s)		ü		N/A	-

EIA Reference	Recommended Environmental Protection Measures/ Mitigation Measures	Objectives of the recommended measures & main concerns to address	Implementation Agent	Implementation Stage			Implementation status	Relevant Legislation & Guidelines
				D	C	O
S6.9	Silt removal facilities such as silt traps or sedimentation facilities will be provided to remove silt particles from runoff to meet the requirements of the TM standard under the WPCO. The design of silt removal facilities will be based on the guidelines provided in ProPECC PN 1/94. All drainage facilities and erosion and sediment control structures will be inspected on a regular basis and maintained to confirm proper and efficient	Land site & drainage/ During construction	Contractor(s)		ü		Implemented, reminder issued.	ProPECC PN 1/94 TM Standard under the WPCO
S6.9	Earthworks to form the final surfaces will be followed up with surface protection and drainage works to prevent erosion caused by rainstorms.	Land site & drainage/ During construction	Contractor(s)		ü		Implemented	-
S6.9	Appropriate surface drainage will be designed and provided where necessary.	Land site & drainage/ During construction	Contractor(s)		ü		Implemented	-
S6.9	The precautions to be taken at any time of year when rainstorms are likely together with the actions to be taken when a rainstorm is imminent or forecasted and actions to be taken during or after rainstorms are summarised in Appendix A2 of ProPECC PN 1/94.	Land site & drainage/ During construction	Contractor(s)	ü	ü		Implemented	ProPECC PN 1/94
S6.9	Oil interceptors will be provided in the drainage system where necessary and regularly emptied to prevent the release of oil and grease into the storm water drainage system after accidental spillages.	Land site & drainage/ During construction	Contractor(s)		ü		N/A	-
S6.9	Temporary and permanent drainage pipes and culverts provided to facilitate runoff discharge, if any, will be adequately designed for the controlled release of storm flows.	Land site & drainage/ During construction	Contractor(s)		ü		Implemented	-
S6.9	The temporary diverted drainage, if any, will be reinstated to the original condition when the construction work has finished or when the temporary diversion is no longer required.	Land site & drainage/ During construction	Contractor(s)		ü		N/A	-
S6.9	Appropriate numbers of portable toilets shall be provided by a licensed contractor to serve the construction workers over the construction site to prevent direct disposal of sewage into the water environment.	Land site & drainage/ During construction	Contractor(s)		ü		Implemented	-

EIA Reference	Recommended Environmental Protection Measures/ Mitigation Measures	Objectives of the recommended measures & main concerns to address	Implementation Agent	Implementation Stage			Implementation status	Relevant Legislation & Guidelines
				D	C	O
S6.9 and S6.12	The sterilization water should be dechlorinated with total residual chlorine (TRC) level below 1 mg/L before discharge to public sewer. In situ testing of TRC should also be conducted for the discharge of chlorinated water for pipeline disinfection to ensure sufficient dechlorination before discharge to public sewer.	Sterilization of water mains prior to commissioning	Contractor(s)		ü	ü	N/A	Technical Memorandum for Effluents Discharged into Drainage and Sewerage Systems Inland and Coastal Waters
S6.9	The cleaning and flushing water should also be treated and desilted to the relevant discharge requirement stipulated in TM-DSS before discharging.	Sterilization of water mains prior to commissioning	Contractor(s)		ü	ü	N/A	Technical Memorandum for Effluents Discharged into Drainage and Sewerage Systems Inland and Coastal Waters
S6.9	Site drainage should be well maintained and good construction practices should be observed to ensure that oil, fuels, solvents and other chemicals are managed, stored and handled properly and do not enter the nearby water streams.	Land site & drainage/ During construction/ During operation	Contractor(s)		ü	ü	Implemented, reminder issued.	-
S6.12	Regular site inspections will be carried out in order to confirm that regulatory requirements are being met and that contractors are implementing the standard site practice and mitigation measures as proposed to reduce potential impacts to water quality.	During construction	Contractor(s)/ Environmental Team (ET) & Independent Environmental Checker (IEC)		ü		Implemented	-

Note: D - Design stage C - Construction O - Operation

EIA Reference	Recommended Environmental Protection Measures/ Mitigation Measures	Objectives of the recommended measures & main concerns to address	Implementation Agent	Implementation Stage			Implementation Status	Relevant Legislation & Guidelines
				D	C	O
Waste Management
S8.5	Nomination of approved personnel to be responsible for standard site practices, arrangements for collection and effective disposal to an appropriate facility of all wastes generated at the site.	Contract mobilisation/ During construction	Contractor(s)		ü		Implemented	-
S8.5	Training of site personnel in proper waste management and chemical handling procedures. Training will be provided to workers on the concepts of site cleanliness and appropriate waste management procedures, including waste reduction, reuse and recycling at the beginning of the construction works.	Contract mobilisation/ During construction	Contractor(s)		ü		Implemented	-
S8.5	Provision of sufficient waste disposal points and regular collection for disposal.	All area/ During construction/ During operation	Contractor(s)		ü	ü	Implemented	DEVB TC(W) No. 8/2010, Enhanced Specification for Site Cleanliness and Tidiness.
S8.5	Appropriate measures to reduce windblown litter and dust transportation of waste by either covering trucks or by transporting wastes in enclosed containers.	All area/ During construction	Contractor(s)		ü		Implemented	DEVB TC(W) No. 8/2010, Enhanced Specification for Site Cleanliness and Tidiness.
S8.5	A waste management plan (WMP) as stated in the ¡§ETWB TC(W) No. 19/2005, Environmental Management on Construction Sites¡¨ for the amount of waste generated, recycled and disposed of (including the disposal sites) will be established and implemented during the construction phase as part of the Environmental Management Plan (EMP). The Contractor will be required to prepare the EMP and submits it to the Architect/ Engineer under the Contract for approval prior to implementation.	All area/ During construction	Contractor(s)		ü		Implemented	ETWB TC(W) No. 19/2005, Environmental Management on Construction Sites
S8.5	Separation of chemical wastes for special handling and appropriate treatment at the Chemical Waste Treatment Centre at Tsing Yi.	All area/ During construction	Contractor(s)		ü		Implemented, reminder issued.	Chapters 2 & 3 Code of Practice on the Packaging, Labelling & Storage of Chemical Wastes published under the Waste Disposal Ordinance (Cap 354), Section 35
S8.5	Regular cleaning and maintenance programme for drainage systems, sumps and oil interceptors.	Land site/ During construction	Contractor(s)		ü		Implemented, Reminder Issued.	Waste Disposal Ordinance (Cap 354)

EIA Reference	Recommended Environmental Protection Measures/ Mitigation Measures	Objectives of the recommended measures & main concerns to address	Implementation Agent	Implementation Stage			Implementation Status	Relevant Legislation & Guidelines
				D	C	O
S8.5	A recording system for the amount of wastes generated/ recycled and disposal sites. The trip- ticket system will be included as one of the contractual requirements and implemented by the contractor(s).	Land site/ During construction	Contractor(s)		ü		Implemented	DEVB TC(W) No. 6/2010, Trip Ticket System for Disposal of Construction & Demolition Materials
S8.5	Segregation and storage of different types of waste in different containers, skips or stockpiles to enhance reuse or recycling of material and their proper disposal.	Land site/ During construction/ During operation	Contractor(s)		ü		Implemented, reminder issued.	WBTC 32/92, The Use of Tropical Hard Wood on Construction Site
S8.5	Encourage collection of aluminium cans and waste paper by individual collectors during construction with separate labelled bins provided to segregate these wastes from other general refuse by the workforce.	Land site/ During construction	Contractor(s)		ü		Implemented	ETWB TCW No. 33/2002, Management of Construction and Demolition Material Including Rock
S8.5	Any unused chemicals and those with remaining functional capacity will be recycled as far as possible.	Land site/ During construction	Contractor(s)		ü		N/A	-
S8.5	Use of reusable non-timber formwork to reduce the amount of C&D materials.	All areas/ During construction	Contractor(s)		ü		Implemented	WBTC 32/92, The Use of Tropical Hard Wood on Construction Site
S8.5	Prior to disposal of construction waste, wood, steel and other metals will be separated to the extent practical, for re-use and/or recycling to reduce the quantity of waste to be disposed of to landfill.	All areas/ During construction	Contractor(s)		ü		Implemented	DEVB TC(W) No. 6/2010, Trip Ticket System for Disposal of Construction & Demolition Materials
S8.5	Proper storage and site practices to reduce the potential for damage or contamination of construction materials.	All areas/ During construction	Contractor(s)		ü		Implemented, reminder issued.	-
S8.5	Plan and stock construction materials carefully to reduce amount of waste generated and avoid unnecessary generation of waste.	All areas/ During construction	Contractor(s)		ü		Implemented	-
S8.5	A Sediment Quality Report (SQR) for sampling and chemical testing of the sediment will be prepared and submitted to the EPD for approval. The approved detailed sampling and chemical testing will be carried out prior to the commencement of the dredging activities to confirm the sediment disposal method.	Marine works/ During construction	Contractor(s)		ü		N/A	ETWB TC(W) No. 34/2002 and Dumping at Sea Ordinance (DASO)
S8.5	The management of dredged/ excavated sediment management requirement from ETWB TC(W) No. 34/2002 will be incorporated in the Specification of the Contract Documents.	Marine works/ During construction	WSD/ Contractor(s)		ü		Implemented	ETWB TC(W) No. 34/2002 and Dumping at Sea Ordinance (DASO)
S8.5	The contractor will open a billing account with EPD in accordance with the Waste Disposal (Charges for Disposal of Construction Waste) Regulation for the	Contract mobilisation/ During construction	Contractor(s)		ü		Implemented	Cap 354N Waste Disposal (Charges for Disposal of

EIA Reference	Recommended Environmental Protection Measures/ Mitigation Measures	Objectives of the recommended measures & main concerns to address	Implementation Agent	Implementation Stage			Implementation Status	Relevant Legislation & Guidelines
				D	C	O
	payment of disposal charges.							Construction Waste) Regulation
S8.5	A trip-ticket system will be established in accordance with DEVB TC(W) No. 6/2010 to monitor the reuse of surplus excavated materials off-site and disposal of construction waste and general refuse at transfer facilities/ landfills, and to control fly-tipping.	Contract mobilisation/ During construction	Contractor(s)		ü		Implemented	DEVB TC(W) No. 6/2010, Trip Ticket System for Disposal of Construction & Demolition Materials
S8.5	The project proponent will also conduct regular inspection of the waste management measures implemented on site as described in the Waste Management Plan.	All area/ During construction	Contractor(s)/ Environmental Team (ET) & Independent Environmental Checker (IEC)		ü		Implemented	ETWB TC(W) No. 19/2005, Environmental Management on Construction Sites
S8.5	A recording system (similar to summary table as shown in Annex 5 and Annex 6 of Appendix G of ETWB TC(W) No. 19/2005) for the amount of waste generated, recycled and disposed of (including the disposal sites) will be established during the construction phase.	All area/ During construction	Contractor(s)		ü		Implemented	Annex 5 and Annex 6 of Appendix G of ETWB TC(W) No. 19/2005
S8.5	Inert C&D materials (public fill) will be reused within the Project as far as practicable.	All area/ During construction	Contractor(s)		ü		Implemented	-
S8.5	Public fill and construction waste shall be segregated and stored in different containers or skips to facilitate reuse or recycling of materials and their proper disposal.	All area/ During construction	Contractor(s)		ü		Implemented	-
S8.5	Specific areas of the work site will be designated for such segregation and storage if immediate use is not practicable.	All area/ During construction	Contractor(s)		ü		Implemented	-
S8.5	To reduce the potential dust and water quality impacts of site formation works, C&D materials will be wetted as quickly as possible to the extent practice after filling.	All area/ During construction	Contractor(s)		ü		Implemented	Air Pollution Control (Construction Dust) Regulation (Cap 311R); WPCO (Cap 358)
S8.5	Open stockpiles of excavated/ fill materials or construction wastes on-site should be covered with tarpaulin or similar fabric.	Land site/ During Construction, particularly dry season	Contractor(s)		ü		Implemented	Air Pollution Control (Construction Dust) Regulation (Cap 311R)
S8.5	Chemical waste container shall be suitable for the substance they are holding, resistant to corrosion, maintained in a good condition, and securely closed.	All area/ During construction/ During operation	Contractor(s)/ WSD		ü	ü	Implemented	Waste Disposal (Chemical Waste) (General) Regulation; Code of

EIA Reference	Recommended Environmental Protection Measures/ Mitigation Measures	Objectives of the recommended measures & main concerns to address	Implementation Agent	Implementation Stage			Implementation Status	Relevant Legislation & Guidelines
				D	C	O
								Practice on the Packaging, Handling and Storage of Chemical Wastes
S8.5	Chemical waste container shall have a capacity of less than 450 L unless the specifications have been approved by the EPD.	All area/ During construction/ During operation	Contractor(s)/ WSD		ü	ü	Implemented	Waste Disposal (Chemical Waste) (General) Regulation; Code of Practice on the Packaging, Handling and Storage of Chemical Wastes
S8.5	A label in English and Chinese shall be displayed on the chemical container in accordance with instructions prescribed in Schedule 2 of the Regulations.	All area/ During construction/ During operation	Contractor(s)/ WSD		ü	ü	Implemented	Waste Disposal (Chemical Waste) (General) Regulation; Code of Practice on the Packaging, Handling and Storage of Chemical Wastes
S8.5	Storage areas for chemical waste shall be enclosed on at least 3 sides.	All area/ During construction/ During operation	Contractor(s)/ WSD		ü	ü	Implemented	Waste Disposal (Chemical Waste) (General) Regulation; Code of Practice on the Packaging, Handling and Storage of Chemical Wastes
S8.5	Storage areas for chemical waste shall have an impermeable floor and bunding, of capacity to accommodate 110% of the volume of the largest container or 20% by volume of the chemical waste stored in that area, whichever is the greatest.	All area/ During construction/ During operation	Contractor(s)/ WSD		ü	ü	Implemented	Waste Disposal (Chemical Waste) (General) Regulation; Code of Practice on the Packaging, Handling and Storage of Chemical Wastes
S8.5	Storage areas for chemical waste shall have adequate ventilation.	All area/ During construction/ During operation	Contractor(s)/ WSD		ü	ü	Implemented	Waste Disposal (Chemical Waste) (General) Regulation; Code of Practice on the Packaging, Handling and Storage of Chemical Wastes
S8.5	Storage areas for chemical waste shall be covered to prevent rainfall entering (water collected within the bund must be tested and disposed of as chemical waste, if necessary).	All area/ During construction/ During operation	Contractor(s)/ WSD		ü	ü	Implemented	Waste Disposal (Chemical Waste) (General) Regulation; Code of Practice on the Packaging, Handling and Storage of Chemical Wastes
S8.5	Storage areas for chemical waste shall be arranged so	All area/ During construction/	Contractor(s)/		ü	ü	Implemented	Waste Disposal (Chemical

EIA Reference	Recommended Environmental Protection Measures/ Mitigation Measures	Objectives of the recommended measures & main concerns to address	Implementation Agent	Implementation Stage			Implementation Status	Relevant Legislation & Guidelines
				D	C	O
	that incompatible materials are appropriately separated.	During operation	WSD					Waste) (General) Regulation; Code of Practice on the Packaging, Handling and Storage of Chemical Wastes
S8.5	General refuse will be stored in enclosed bins or compaction units separately from construction and chemical wastes.	All area/ During construction/ During operation	Contractor(s)/ WSD		ü	ü	Implemented, reminder issued.	Waste Disposal (Chemical Waste) (General) Regulation; Code of Practice on the Packaging, Handling and Storage of Chemical Wastes
S8.5	Adequate number of waste containers will be provided to avoid over-spillage of waste.	All area/ During construction/ During operation	Contractor(s)/ WSD		ü	ü	Implemented	DEVB TC(W) No. 8/2010 Enhanced Specification for Site Cleanliness and Tidiness.
S8.5	A reputable waste collector will be employed by the Contractor to remove general refuse from the site, separately from construction and chemical wastes, on a daily basis to minimise odour, pest and litter impacts.	All area/ During construction/ During operation	Contractor(s)/ WSD		ü	ü	Implemented	-
S8.5	Recycling bins will be provided at strategic locations within the Site to facilitate recovery of recyclable materials (including aluminium can, waste paper, glass bottles and plastic bottles) from the Site. Materials recovered will be sold for recycling.	All area/ During construction/ During operation	Contractor(s)/ WSD		ü	ü	Implemented	-
S8.5	To avoid any odour and litter impact, accurate number of portable toilets will be provided for workers on-site.	All area/ During construction	Contractor(s)		ü		Implemented	-
S8.5	The burning of refuse on construction sites is prohibited by law.	All area/ During construction	Contractor(s)		ü		Implemented	Air Pollution Control Ordinance (Cap 311)
S8.7	To facilitate monitoring and control over the contractors¡¦ performance on waste management, a waste inspection and audit programme will be implemented throughout the construction phase.	All facilities/ During construction	ET/ IEC		ü		Implemented	-

Note: D - Design stage C - Construction O - Operation

	Recommended Environmental Protection Measures/ Mitigation Measures	Objectives of the recommended measures & main concerns to address	Implementation Agent	Implementation Stage			Implementation Status	Relevant Legislation & Guidelines
				D	C	O
	Ecology
S9.7	For slope mitigation works within the Clear Water Bay Country Park, to avoid tree felling and damages to trees, the exact locations of the flexible barrier foundation plates, soil nails and rock dowels can be adjusted during detailed design, and a setback distance from existing trees is recommended to be maintained as far as practical. A detailed specification describing the exact locations of the flexible barrier foundation plates, soil nails and rock dowels will be prepared to illustrate how the setback distance from existing trees would be implemented for tree avoidance.	Slope mitigation works area/ During detailed design/ During construction	Contractor(s)	ü	ü		Implemented	-
S9.7	Pruning of tree canopies along the alignment of the flexible barriers shall be limited to a minimum.	Slope mitigation works area/ During construction	Contractor(s)		ü		Implemented
S9.7	The alignment of flexible barriers shall be optimized to preserve all species of conservation interest and minimize the impact to the existing vegetation as far as practicable. All individuals of Marsdenia lachnostoma within the slope mitigation areas shall be retained in- situ, by positioning the alignment of flexible barrier at a minimum 1.5m in a radius away from these individuals.	Slope mitigation works area/ During detailed design/ During construction	Contractor(s)	ü	ü		Implemented	-
S9.7 and 9.10	At the detailed design stage prior to the commencement of the slope mitigation works, a vegetation survey shall be carried out at the slope mitigation areas within the Clear Water Bay Country Park to assess the condition and identify the location of each individual of Marsdenia lachnostoma and other flora species of conservation interest that may be directly affected by the construction works.	Slope mitigation works area/ During detailed design/ During construction	Contractor(s)	ü	ü		Implemented	-
S9.7	Temporary fencing will be installed to fence off the concerned species either in groups of individually within the works area and in the close proximity to prevent from being damaged and disturbed during construction. A sign identifying the site shall be attached to the fence and flagging tape shall be attached to the individuals to visualize their locations.	Slope mitigation works area/ During construction	Contractor(s)		ü		Implemented	-
S9.7 and S9.10	A specification for fencing and demarcating individuals of Marsdenai lachnostoma (or other flora species of conservation interest, if found) adjacent to the	Slope mitigation works area/ During construction	Contractor(s)		ü		Implemented	-

	Recommended Environmental Protection Measures/ Mitigation Measures	Objectives of the recommended measures & main concerns to address	Implementation Agent	Implementation Stage			Implementation Status	Relevant Legislation & Guidelines
				D	C	O
	proposed alignment of the flexible barriers will be prepared to protect the species.
S9.7	Induction training shall also be provided to all site personnel in order to brief them on this flora of conservation interest including the locations and their importance.	Slope mitigation works area/ During construction	Contractor(s)		ü		Implemented	-
S9.7	The resident site supervisory staff will closely monitor the conditions of concerned individuals during construction of flexible barriers in the close proximity.	Slope mitigation works area/ During construction	Contractor(s)		ü		Implemented	-
S9.7	Erect fences along the boundary of the works area before the commencement of works to prevent vehicle movements and encroachment of personnel onto adjacent areas.	All area/ During construction	Contractor(s)		ü		Implemented	-
S9.7	Regularly check the work site boundaries to ensure that they are not breached and that damage does not occur to surrounding areas.	All area/ During construction	Contractor(s)/ Environmental Team (ET)		ü		Implemented.	-
S9.7	Avoid any damage and disturbance, particularly those caused by filling and illegal dumping, to the surrounding habitats through proper management of waste disposal.	All area/ During construction	Contractor(s)		ü		Implemented	-
S9.7	Reinstate temporarily affected areas, particularly the habitats of plantation and shrubland-grassland immediately after completion of construction works, through on-site tree/shrub planting. The tree/shrub species will be chosen with reference to those in the surrounding area.	All area/ During construction	Contractor(s)		ü		N/A	-
S9.7	Affected habitats within the Clear Water Bay Country Bay shall be reinstated by hydro-seeding and planting of climbers and native shrub seedlings where practical upon completion of the slope mitigation works.	All area/ During construction	Contractor(s)		ü		N/A	-

Note: D - Design stage C - Construction O - Operation

EIA Reference	Recommended Environmental Protection Measures/ Mitigation Measures	Objectives of the recommended measures & main concerns to address	Implementation Agent	Implementation Stage			Implementation Status	Relevant Legislation & Guidelines
				D	C	O
	Landscape & Visual
S11.10 & 11.11	The construction area and area allowed for temporary structures, such as the contractor¡¦s office, will be minimized to a practical minimum. (MM1)	All area/ Detailed design/ During construction/ During operation	WSD/ Contractor(s)	ü	ü	ü	Implemented	-
S11.10 & 11.11	At the detailed design stage, the design team will seek to minimize the landscape footprint of the Project and above ground facilities, while satisfying all other requirements. (MM2)	All area/ Detailed design/ During construction/ During operation	WSD/ Contractor(s)	ü	ü	ü	Implemented	-
S11.10 & 11.11	Design principles will be adopted to take into account the surrounding area, particularly Clear Water Bay Country Park behind and the nearby waterfront, with due consideration given to: - green roofs where practical (ie without equipment on the roof); - roadside planting; - aesthetic treatment of all structures; - vertical greening; - screen planting along application site; and - landscape enhancement with amenity planting where practical including planting along the edge (site boundary) fence with native shrubs where feasible, to reduce their visual impact and blend them into the surrounding landscape. (MM3)	All area/ Detailed design/ During construction/ During operation	WSD/ Contractor(s)	ü	ü	ü	Implemented	-
S11.10 & 11.11	All trees within the Project Site or the potential slope mitigation works area will be carefully protected during construction according to DEVB TCW No. 10/2013 - Tree Preservation (MM4)	All area/ Detailed design/ During construction/ During operation	WSD/ Contractor(s)	ü	ü	ü	Implemented	ETWB TCW No. 3/2006 - Tree Preservation.
S11.10 & 11.11	No tree within the Country Park will be felled. Trees within the Site unavoidably affected by the works will be transplanted where necessary and practical. For trees that need to be felled, compensatory planting will be provided to the satisfaction of relevant Government departments. A compensatory tree planting proposal including locations of tree compensation will be submitted to seek relevant government department¡¦s approval, in accordance with DEVB TC(W) No. 10/2013. (MM5)	All area/ Detailed design/ During construction/ During operation	WSD/ Contractor(s)	ü	ü	ü	Implemented	DEVB TC(W) No. 10/2013
S11.10 & 11.11	Any slope mitigation works necessary to address natural terrain hazards, will be minimized to minimize any potential environmental impact to the Country Park e.g. soil nailing and rock stabilization will aim to avoid existing trees e.g. should any restoration of vegetation be	All area/ Detailed design/ During construction/ During operation	WSD/ Contractor(s)	ü	ü	ü	N/A

EIA Reference	Recommended Environmental Protection Measures/ Mitigation Measures	Objectives of the recommended measures & main concerns to address	Implementation Agent	Implementation Stage			Implementation Status	Relevant Legislation & Guidelines
				D	C	O
	necessary, the best planting matrix with native species will be established, with the aim of resembling the existing vegetation. (MM6)
S11.10 & 11.11	Dredging works for the installation of intake structures and outfall diffusers should be minimized to avoid or reduce any potential environmental impacts to as low as reasonably practicable (ALARP). The intake and outfall structures (e.g. intake openings and diffuser heads) will be prefabricated and transferred to site for installation. (MM7)	All area/ Detailed design/ During construction/ During operation	WSD/ Contractor(s)	ü	ü	ü	Implemented
S11.10 & 11.11	All night-time lighting will be reduced to a practical minimum both in terms of number of level and will be hooded and directional. (MM8) units and lux level and will be hooded and directional. (MM8)	All area/ Detailed design/ During construction/ During operation	WSD/ Contractor(s)	ü	ü	ü	Implemented	-

Note: D - Design stage C - Construction O - Operation

EIA Reference	Recommended Environmental Protection Measures/ Mitigation Measures	Objectives of the recommended measures & main concerns to address	Implementation Agent	Implementation Stage			Implementation Status	Relevant Legislation & Guidelines
				D	C	O
	Landfill Gas Hazard
S12.7	During all works, safety procedures should be implemented to minimise the risks of fires and explosions, asphyxiation of workers and toxicity effects resulting from contact with contaminated soil and groundwater.	All area/ Detailed design/ During construction/ During operation	Contractor(s)	ü	ü	ü	Implemented	-
S12.7	During trenching and excavation as well as creation of confined spaces at near to or below ground level, precautions should be clearly laid down and rigidly Gas detection equipment and appropriate breathing apparatus should be available and used when entering confined spaces or trenches deeper than 1 metre.	All area/ Detailed design/ During construction/ During operation	Contractor(s)	ü	ü	ü	Implemented
S12.7	The Contractor should make the workers are aware of potential hazards of working in confined spaces (any chamber, manhole or culvert which is large enough to permit access to personnel). Such work in confined spaces is controlled by the Factories and Industrial Undertakings (Confined Spaces) Regulations of the Factories and Industrial Undertakings Ordinance. Following the Safety Guide to Working in Confined Spaces ensures compliance with the above regulations.	All area/ Detailed design/ During construction/ During operation	Contractor(s)	ü	ü	ü	Implemented
S12.7	Safety officers, specifically trained with regard to landfill gas and leachate related hazards and the appropriate actions to take in adverse circumstances, should be present on the site throughout the works, in particular, when works are undertaken below grade.	All area/ Detailed design/ During construction/ During operation	Contractor(s)	ü	ü	ü	Implemented
S12.7	All personnel who work on site and all visitors to the site should be made aware of the possibility of ignition of gas in the vicinity of the works, the possible presence of contaminated water and the need to avoid physical contact with it.	All area/ Detailed design/ During construction/ During operation	Contractor(s)	ü	ü	ü	Implemented
S12.7	Monitoring for landfill gas should be undertaken in all excavations, manholes, chambers (particularly during pipe jacking) and any confined spaces through the use of an intrinsically safe portable instrument, appropriately calibrated and capable of measuring the concentrations of methane. carbon dioxide and oxygen.	All area/ Detailed design/ During construction/ During operation	Contractor(s)	ü	ü	ü	Implemented
S12.7	Monitoring frequency and areas to be monitored should be specified prior to commencement of groundwork, either by the Safety Officer, or by an appropriately qualified person. All measurements should be recorded and documented.	All area/ Detailed design/ During construction/ During operation	Contractor(s)	ü	ü	ü	Implemented

EIA Reference	Recommended Environmental Protection Measures/ Mitigation Measures	Objectives of the recommended measures & main concerns to address	Implementation Agent	Implementation Stage			Implementation Status	Relevant Legislation & Guidelines
				D	C	O
S12.7	Proceed drilling with adequate care and precautions against the potential hazards which may be encountered.	All area/ Detailed design/ During construction/ During operation	Contractor(s)	ü	ü	ü	Implemented
S12.7	Prior to the commencement of the site works, the drilling contractor should devise a 'method-of- working' statement covering all normal and emergency procedures (including but not limited to number of operatives, experience and special skills of operatives, normal method of operations, emergency procedures, supervisors responsibilities, storage and use of safety equipment, safety procedures and signs, barriers and guarding). The site supervisor and all operatives must be familiar with this statement.	All area/ During construction/ During operation	Contractor(s)	ü	ü	ü	Implemented
S12.7	Where below ground service entries are necessary to the Incoming Switchgear Room, 132 kV Substation and Chlorine Store (I) and (II), the entry point should be sealed to prevent gas entry. In addition, any below grade cable trenches entering the Incoming Switchgear Room and 132 kV Substation can become the pathway for landfill gas and hence grilled metal covers should be used.	All area/ Detailed design/ During construction/ During operation	Contractor(s)	ü	ü	ü	N/A
S12.7	It is recommended regular landfill gas monitoring should be carried out at the Incoming Switchgear Room, 132 kV Substation and Chlorine Store (I) and (II). The monitoring frequency will be monthly for the first year of operation. If the monitoring results show no sign of landfill gas migration, reduce the monitoring frequency to once every six months.	All area/ Detailed design/ During construction/ During operation	Contractor(s)	ü	ü	ü	N/A
S12.7	The manholes and utility pits within the Project Site and along the fresh water mains. Each manhole/ utility pit should be monitored with two measurements (at mid depth and base). Each measurement should be monitored for a minimum of 10 minutes. A steady reading and peak reading should be recorded at each manhole/ utility pit and for each measurement. The need for venting the manhole/ utility pit and further monitoring will be reviewed after the initial monitoring.	All area/ Detailed design/ During construction/ During operation	Contractor(s)	ü	ü	ü	Implemented
S12.7	All construction, operation and maintenance personnel working on-site as well as visitors should be made aware of the hazards of landfill gas and its possible presence on-site. This should be achieved through a combination of posting warning signs in prominent places and also by access to detailed information on landfill gas hazards and the designs and procedural means by which these hazards are being minimized on-site.	All area/ Detailed design/ During construction/ During operation	Contractor(s)	ü	ü	ü	Implemented

Note: D - Design stage C - Construction O - Operation

Appendix D

Impact Monitoring Schedule of the Reporting Month

Contract No. 13/WSD/17 Design, Build and Operate First Stage of Tseung Kwan O Desalination Plant EM&A Water Quality Monitoring Schedule
Jan
Sun	Mon	Tue	Wed	Thu	Fri	Sat
						1
						Impact Water Quality monitoring for CE, CF, WSR1, WSR2, WSR3, WSR4, WSR16, WSR33, WSR36, WSR37 Tidal Period: Ebb Tide: 09:19-13:00 Flood Tide: 13:00-19:39 Monitoring Time: Mid-ebb: 09:24-12:54 Mid-flood: 14:34-18:04
2	3	4	5	6	7	8
		Impact Water Quality monitoring for CE, CF, WSR1, WSR2, WSR3, WSR4, WSR16, WSR33, WSR36, WSR37 Tidal Period: Ebb Tide: 11:55-15:07 Flood Tide: 04:43-11:55 Monitoring Time: Mid-ebb: 11:46-15:16 Mid-flood: 08:00-10:04*$#		Impact Water Quality monitoring for CE, CF, WSR1, WSR2, WSR3, WSR4, WSR16, WSR33, WSR36, WSR37 Tidal Period: Ebb Tide: 13:27-17:00 Flood Tide: 06:14-13:27 Monitoring Time: Mid-ebb: 13:28-16:58 Mid-flood: 08:05-11:35		Impact Water Quality monitoring for CE, CF, WSR1, WSR2, WSR3, WSR4, WSR16, WSR33, WSR36, WSR37 Tidal Period: Ebb Tide: 15:00-19:00 Flood Tide: 07:32-15:00 Monitoring Time: Mid-ebb: 15:15-18:45 Mid-flood: 09:31-13:01
9	10	11	12	13	14	15
		Impact Water Quality monitoring for CE, CF, WSR1, WSR2, WSR3, WSR4, WSR16, WSR33, WSR36, WSR37 Tidal Period: Ebb Tide: 09:14-17:38 Flood Tide: 17:38-23:00 Monitoring Time: Mid-ebb: 11:41-15:11 Mid-flood: 17:40-19:00&$#		Impact Water Quality monitoring for CE, CF, WSR1, WSR2, WSR3, WSR4, WSR16, WSR33, WSR36, WSR37 Tidal Period: Ebb Tide: 07:31-10:16 Flood Tide: 10:16-18:49 Monitoring Time: Mid-ebb: 08:00-10:38*$# Mid-flood: 12:47-16:17		Impact Water Quality monitoring for CE, CF, WSR1, WSR2, WSR3, WSR4, WSR16, WSR33, WSR36, WSR37 Tidal Period: Ebb Tide: 10:00-12:00 Flood Tide: 12:00-19:40 Monitoring Time: Mid-ebb: 09:15-12:45 Mid-flood: 14:05-17:35
16	17	18	19	20	21	22
		Impact Water Quality monitoring for CE, CF, WSR1, WSR2, WSR3, WSR4, WSR16, WSR33, WSR36, WSR37 Tidal Period: Ebb Tide: 11:06-14:00 Flood Tide: 04:18-11:06 Monitoring Time: Mid-ebb: 10:48-14:18 Mid-flood:08:00-10:45*$#		Impact Water Quality monitoring for CE, CF, WSR1, WSR2, WSR3, WSR4, WSR16, WSR33, WSR36, WSR37 Tidal Period: Ebb Tide: 12:02-15:24 Flood Tide: 05:19-12:02 Monitoring Time: Mid-ebb: 11:58-15:28 Mid-flood: 08:00-10:25*$#		Impact Water Quality monitoring for CE, CF, WSR1, WSR2, WSR3, WSR4, WSR16, WSR33, WSR36, WSR37 Tidal Period: Ebb Tide: 13:13-17:05 Flood Tide: 06:21-13:13 Monitoring Time: Mid-ebb: 13:24-16:54 Mid-flood: 08:02-11:32
23	24	25	26	27	28	29
		Impact Water Quality monitoring for CE, CF, WSR1, WSR2, WSR3, WSR4, WSR16, WSR33, WSR36, WSR37 Tidal Period: Ebb Tide: 15:28-20:28 Flood Tide: 08:00-15:28 Monitoring Time: Mid-ebb: 15:43-19:00&$# Mid-flood:09:59-13:29		Impact Water Quality monitoring for CE, CF, WSR1, WSR2, WSR3, WSR4, WSR16, WSR33, WSR36, WSR37 Tidal Period: Ebb Tide: 05:21-09:25 Flood Tide: 09:25-16:58 Monitoring Time: Mid-ebb:08:00-09:12*$# Mid-flood:11:26-14:56		Impact Water Quality monitoring for CE, CF, WSR1, WSR2, WSR3, WSR4, WSR16, WSR33, WSR36, WSR37 Tidal Period: Ebb Tide: 08:38-11:20 Flood Tide: 11:20-18:31 Monitoring Time: Mid-ebb: 08:14-11:44 Mid-flood: 13:10-16:40
30	31
	Impact Water Quality monitoring for CE, CF, WSR1, WSR2, WSR3, WSR4, WSR16, WSR33, WSR36, WSR37 Tidal Period: Ebb Tide: 10:17-13:25 Flood Tide: 13:25-20:20 Monitoring Time: Mid-ebb: 10:06-13:36 Mid-flood: 15:07-18:37
Remarks: Monitoring Parameters: Dissolved oxygen, Temperature, pH, Turbidity, Salinity, Suspended Solids Note: * - Due to safety concern of vessel transportation earlier than 0700, Water Quality Monitoring would start at 0800. $ - Since predicted tide is shorter than 3.5 hours, method of 90% tidal period as monitoring time is adopted. & - Due to safety concern for sampling event in night-time, method of 90% tidal period as monitoring time is approached and end at 1900. # - Prioritized routing: Mid-Ebb: CE¡÷WSR16¡÷WSR37¡÷WSR36¡÷WSR33¡÷Remaining stations and Mid-Flood: CF¡÷WSR1¡÷WSR2¡÷WSR3¡÷WSR4¡÷Remaining stations

Appendix E

Event/Action Plan for Noise Exceedance

Appendix F

Noise Monitoring Equipment Calibration Certificate (BLANK)

(BLANK)

Appendix G

Event/Action Plan for Water Quality Exceedance

Appendix H

Waste Flow Table

Appendix I

Site Inspection Proforma

Appendix J

Complaint Log

Statistical Summary of Environmental Complaints

Reporting Period	Environmental Complaint Statistics
	Frequency	Cumulative	Complaint Nature
1 - 31 January 2022	0	0	N/A

Statistical Summary of Environmental Summons

Reporting Period	Environmental Summons Statistics
	Frequency	Cumulative	Details
1 - 31 January 2022	0	0	N/A

Statistical Summary of Environmental Prosecution

Reporting Period	Environmental Prosecution Statistics
	Frequency	Cumulative	Details
1 - 31 January 2022	0	0	N/A

Appendix K

Impact Monitoring Schedule of Next Reporting Month

Appendix L

Water Quality and Landfill Gas Monitoring Data

Location	Date	Weather	Sea Conidtion	Tidal	Water Level	Depth (m)	Time	DO (mg/L)	H	Sal (ppt)	Temp (¢XC)	Turbidty (NTU)	SS (mg/L)
CE	20220101	Cloudy	Moderate	Mid-Flood	S	1	17:03	8.92	8.19	31.15	22.44	2.9	4
CE	20220101	Cloudy	Moderate	Mid-Flood	S	1	17:03	8.94	8.2	31.17	22.35	3.15	6
CE	20220101	Cloudy	Moderate	Mid-Flood	M	11.1	17:02	8.73	8.25	31.12	22.37	2.8	4
CE	20220101	Cloudy	Moderate	Mid-Flood	M	11.1	17:02	8.97	8.2	31.02	22.42	2.91	4
CE	20220101	Cloudy	Moderate	Mid-Flood	B	21.2	17:01	8.72	8.25	31.1	22.43	3.29	4
CE	20220101	Cloudy	Moderate	Mid-Flood	B	21.2	17:01	8.74	8.22	31.01	22.31	3.3	4
CE	20220104	Sunny	Moderate	Mid-Flood	S	1	10:29	8.08	8.22	30.85	22.17	2.65	3
CE	20220104	Sunny	Moderate	Mid-Flood	S	1	10:29	8.15	8.27	30.76	21.98	2.68	4
CE	20220104	Sunny	Moderate	Mid-Flood	M	12.05	10:28	8.19	8.23	30.82	22.12	2.3	3
CE	20220104	Sunny	Moderate	Mid-Flood	M	12.05	10:28	8.13	8.22	30.85	22.14	2.34	4
CE	20220104	Sunny	Moderate	Mid-Flood	B	23.1	10:27	8.11	8.27	30.87	22.09	2.39	4
CE	20220104	Sunny	Moderate	Mid-Flood	B	23.1	10:27	8.15	8.27	30.83	22.07	2.39	8
CE	20220106	Sunny	Moderate	Mid-Flood	S	1	10:44	8.54	8.2	32.93	22.95	3.95	2.5
CE	20220106	Sunny	Moderate	Mid-Flood	S	1	10:44	8.6	8.22	32.89	23.1	3.53	2.5
CE	20220106	Sunny	Moderate	Mid-Flood	M	10.4	10:43	8.5	8.16	32.93	22.94	3.64	2.5
CE	20220106	Sunny	Moderate	Mid-Flood	M	10.4	10:43	8.5	8.17	32.94	23.1	3.55	3
CE	20220106	Sunny	Moderate	Mid-Flood	B	19.8	10:42	8.6	8.19	32.95	22.82	3.64	2.5
CE	20220106	Sunny	Moderate	Mid-Flood	B	19.8	10:42	8.65	8.2	32.9	22.83	3.51	2.5
CE	20220108	Sunny	Moderate	Mid-Flood	S	1	12:02	8.49	8.46	34.76	21.49	2.88	4
CE	20220108	Sunny	Moderate	Mid-Flood	S	1	12:02	8.57	8.48	34.74	21.48	3.2	5
CE	20220108	Sunny	Moderate	Mid-Flood	M	11.5	12:01	8.5	8.51	34.68	21.44	2.71	4
CE	20220108	Sunny	Moderate	Mid-Flood	M	11.5	12:01	8.48	8.47	34.71	21.49	2.61	4
CE	20220108	Sunny	Moderate	Mid-Flood	B	22	12:00	8.53	8.47	34.76	21.53	2.36	4
CE	20220108	Sunny	Moderate	Mid-Flood	B	22	12:00	8.57	8.5	34.75	21.54	2.28	5
CE	20220111	Sunny	Moderate	Mid-Flood	S	1	20:00	9.38	8.3	35.04	19.89	2.77	4
CE	20220111	Sunny	Moderate	Mid-Flood	S	1	20:00	9.4	8.22	35.01	19.85	3.15	4

Location	Date	Weather	Sea Conidtion	Tidal	Water Level	Depth (m)	Time	DO (mg/L)	H	Sal (ppt)	Temp (¢XC)	Turbidty (NTU)	SS (mg/L)
CE	20220111	Sunny	Moderate	Mid-Flood	M	11.25	19:59	9.37	8.3	34.96	19.83	2.87	3
CE	20220111	Sunny	Moderate	Mid-Flood	M	11.25	19:59	9.58	8.28	34.9	19.8	2.96	3
CE	20220111	Sunny	Moderate	Mid-Flood	B	21.5	19:58	9.24	8.22	35.03	19.8	3.01	5
CE	20220111	Sunny	Moderate	Mid-Flood	B	21.5	19:58	9.37	8.21	35.08	19.9	3.14	3
CE	20220113	Cloudy	Moderate	Mid-Flood	S	1	15:27	8.76	8.34	32.93	20.53	3.93	3
CE	20220113	Cloudy	Moderate	Mid-Flood	S	1	15:27	8.23	8.37	32.84	20.49	3.59	3
CE	20220113	Cloudy	Moderate	Mid-Flood	M	11	15:26	8.94	8.37	32.91	20.65	3.76	2.5
CE	20220113	Cloudy	Moderate	Mid-Flood	M	11	15:26	8.81	8.35	32.94	20.7	3.47	2.5
CE	20220113	Cloudy	Moderate	Mid-Flood	B	21	15:25	9.16	8.35	32.86	20.65	3.83	3
CE	20220113	Cloudy	Moderate	Mid-Flood	B	21	15:25	8.22	8.35	32.92	20.54	3.51	3
CE	20220115	Cloudy	Moderate	Mid-Flood	S	1	16:50	8.9	8.31	34.53	20.86	3.18	3
CE	20220115	Cloudy	Moderate	Mid-Flood	S	1	16:50	8.85	8.32	34.53	20.93	3.33	2.5
CE	20220115	Cloudy	Moderate	Mid-Flood	M	11.6	16:49	8.82	8.34	34.5	21	2.95	2.5
CE	20220115	Cloudy	Moderate	Mid-Flood	M	11.6	16:49	8.83	8.3	34.59	21.01	3.18	4
CE	20220115	Cloudy	Moderate	Mid-Flood	B	22.2	16:48	8.88	8.27	34.49	20.94	3.88	2.5
CE	20220115	Cloudy	Moderate	Mid-Flood	B	22.2	16:48	8.95	8.29	34.6	20.95	3.64	4
CE	20220118	Cloudy	Moderate	Mid-Flood	S	1	17:56	9.05	8.2	33.92	20.63	3.2	6
CE	20220118	Cloudy	Moderate	Mid-Flood	S	1	17:56	9.16	8.13	33.96	20.82	3.59	6
CE	20220118	Cloudy	Moderate	Mid-Flood	M	10.45	17:55	9.15	8.21	33.94	20.72	3.66	3
CE	20220118	Cloudy	Moderate	Mid-Flood	M	10.45	17:55	9.06	8.12	33.89	20.67	3.3	4
CE	20220118	Cloudy	Moderate	Mid-Flood	B	19.9	17:54	9.18	8.15	33.9	20.7	3.03	11
CE	20220118	Cloudy	Moderate	Mid-Flood	B	19.9	17:54	9.15	8.16	33.99	20.75	2.84	12
CE	20220120	Sunny	Moderate	Mid-Flood	S	1	10:24	8.58	8.33	33.94	20.77	3.53	4
CE	20220120	Sunny	Moderate	Mid-Flood	S	1	10:24	8.5	8.34	33.86	20.81	3.38	5
CE	20220120	Sunny	Moderate	Mid-Flood	M	10.2	10:23	8.69	8.29	33.81	20.76	4.32	3
CE	20220120	Sunny	Moderate	Mid-Flood	M	10.2	10:23	8.54	8.28	33.91	20.78	3.97	4

Location	Date	Weather	Sea Conidtion	Tidal	Water Level	Depth (m)	Time	DO (mg/L)	H	Sal (ppt)	Temp (¢XC)	Turbidty (NTU)	SS (mg/L)
CE	20220120	Sunny	Moderate	Mid-Flood	B	19.4	10:22	8.62	8.23	34.02	20.73	4.24	4
CE	20220120	Sunny	Moderate	Mid-Flood	B	19.4	10:22	8.57	8.26	33.82	20.78	3.8	4
CE	20220122	Cloudy	Moderate	Mid-Flood	S	1	10:26	8.73	8.23	33.03	21.52	4.08	6
CE	20220122	Cloudy	Moderate	Mid-Flood	S	1	10:26	8.76	8.24	33.03	21.48	3.77	6
CE	20220122	Cloudy	Moderate	Mid-Flood	M	11.8	10:25	8.76	8.26	33.03	21.52	3.76	6
CE	20220122	Cloudy	Moderate	Mid-Flood	M	11.8	10:25	8.68	8.23	32.92	21.51	3.94	5
CE	20220122	Cloudy	Moderate	Mid-Flood	B	22.6	10:24	8.71	8.22	32.94	21.44	4.13	6
CE	20220122	Cloudy	Moderate	Mid-Flood	B	22.6	10:24	8.7	8.2	32.88	21.53	3.58	7
CE	20220125	Cloudy	Moderate	Mid-Flood	S	1	12:23	8.4	8.29	30.28	21.09	3.73	3
CE	20220125	Cloudy	Moderate	Mid-Flood	S	1	12:23	8.46	8.26	30.21	21.16	3.61	5
CE	20220125	Cloudy	Moderate	Mid-Flood	M	10.4	12:22	8.49	8.19	30.09	21.12	3.17	4
CE	20220125	Cloudy	Moderate	Mid-Flood	M	10.4	12:22	8.37	8.25	30.26	21.21	3.19	5
CE	20220125	Cloudy	Moderate	Mid-Flood	B	19.8	12:21	8.41	8.3	30.16	21.2	3.55	3
CE	20220125	Cloudy	Moderate	Mid-Flood	B	19.8	12:21	8.32	8.26	30.23	21.17	3.3	3
CE	20220127	Cloudy	Moderate	Mid-Flood	S	1	14:03	8.57	8.04	31.28	21.18	2.88	4
CE	20220127	Cloudy	Moderate	Mid-Flood	S	1	14:03	8.57	8.12	31.24	21.23	3.15	2.5
CE	20220127	Cloudy	Moderate	Mid-Flood	M	12	14:02	8.51	8.07	31.26	21.24	3.09	6
CE	20220127	Cloudy	Moderate	Mid-Flood	M	12	14:02	8.56	8.06	31.41	21.15	3.31	6
CE	20220127	Cloudy	Moderate	Mid-Flood	B	23	14:01	8.54	8.05	31.42	21.14	3.79	3
CE	20220127	Cloudy	Moderate	Mid-Flood	B	23	14:01	8.49	8.13	31.31	21.28	3.61	2.5
CE	20220129	Cloudy	Moderate	Mid-Flood	S	1	15:50	9.59	8.19	31.18	20.65	2.81	2.5
CE	20220129	Cloudy	Moderate	Mid-Flood	S	1	15:50	9.54	8.14	31.08	20.52	3.06	2.5
CE	20220129	Cloudy	Moderate	Mid-Flood	M	12.15	15:49	9.51	8.14	31.19	20.51	3.28	5
CE	20220129	Cloudy	Moderate	Mid-Flood	M	12.15	15:49	9.58	8.12	31.1	20.6	3.4	5
CE	20220129	Cloudy	Moderate	Mid-Flood	B	23.3	15:48	9.46	8.15	31.17	20.55	3.54	4
CE	20220129	Cloudy	Moderate	Mid-Flood	B	23.3	15:48	9.55	8.15	31.04	20.66	3.11	4

Location	Date	Weather	Sea Conidtion	Tidal	Water Level	Depth (m)	Time	DO (mg/L)	H	Sal (ppt)	Temp (¢XC)	Turbidty (NTU)	SS (mg/L)
CE	20220131	Cloudy	Moderate	Mid-Flood	S	1	17:42	8.3	8.18	33.67	19.74	3.26	3
CE	20220131	Cloudy	Moderate	Mid-Flood	S	1	17:42	8.2	8.2	33.76	19.78	3.24	4
CE	20220131	Cloudy	Moderate	Mid-Flood	M	12.35	17:41	8.16	8.14	33.8	19.71	2.8	4
CE	20220131	Cloudy	Moderate	Mid-Flood	M	12.35	17:41	8.26	8.23	33.77	19.73	3.14	5
CE	20220131	Cloudy	Moderate	Mid-Flood	B	23.7	17:40	8.18	8.18	33.59	19.72	3.5	4
CE	20220131	Cloudy	Moderate	Mid-Flood	B	23.7	17:40	8.19	8.21	33.79	19.72	3.19	4
CF	20220101	Cloudy	Moderate	Mid-Flood	S	1	14:36	8.95	8.38	31.75	22.16	3.43	4
CF	20220101	Cloudy	Moderate	Mid-Flood	S	1	14:36	8.97	8.42	31.67	22.24	3.55	5
CF	20220101	Cloudy	Moderate	Mid-Flood	M	9.6	14:35	8.95	8.41	31.62	22.17	2.98	4
CF	20220101	Cloudy	Moderate	Mid-Flood	M	9.6	14:35	9.04	8.4	31.76	22.17	3.25	4
CF	20220101	Cloudy	Moderate	Mid-Flood	B	18.2	14:34	8.8	8.43	31.7	22.21	3.24	6
CF	20220101	Cloudy	Moderate	Mid-Flood	B	18.2	14:34	8.91	8.47	31.75	22.09	3	6
CF	20220104	Sunny	Moderate	Mid-Flood	S	1	8:02	8.57	8.36	30.73	22.25	2.48	4
CF	20220104	Sunny	Moderate	Mid-Flood	S	1	8:02	8.53	8.38	30.84	22.44	2.55	3
CF	20220104	Sunny	Moderate	Mid-Flood	M	10.45	8:01	8.42	8.34	30.75	22.37	2.18	3
CF	20220104	Sunny	Moderate	Mid-Flood	M	10.45	8:01	8.45	8.31	30.74	22.33	2.42	4
CF	20220104	Sunny	Moderate	Mid-Flood	B	19.9	8:00	8.35	8.37	30.74	22.36	2.62	3
CF	20220104	Sunny	Moderate	Mid-Flood	B	19.9	8:00	8.5	8.33	30.77	22.26	2.48	3
CF	20220106	Sunny	Moderate	Mid-Flood	S	1	8:13	8.31	8.4	33.09	22.58	5.67	9
CF	20220106	Sunny	Moderate	Mid-Flood	S	1	8:13	8.47	8.42	33.08	22.86	5.19	9
CF	20220106	Sunny	Moderate	Mid-Flood	M	10.85	8:12	8.32	8.47	33.17	22.84	3.97	6
CF	20220106	Sunny	Moderate	Mid-Flood	M	10.85	8:12	8.32	8.45	32.97	22.87	4.12	6
CF	20220106	Sunny	Moderate	Mid-Flood	B	20.7	8:11	8.42	8.44	33.13	22.55	4.41	3
CF	20220106	Sunny	Moderate	Mid-Flood	B	20.7	8:11	8.41	8.47	33.04	22.73	3.69	3
CF	20220108	Sunny	Moderate	Mid-Flood	S	1	9:33	8.61	8.43	34.76	21.95	3.53	3
CF	20220108	Sunny	Moderate	Mid-Flood	S	1	9:33	8.63	8.44	34.85	22.01	3	4

Location	Date	Weather	Sea Conidtion	Tidal	Water Level	Depth (m)	Time	DO (mg/L)	H	Sal (ppt)	Temp (¢XC)	Turbidty (NTU)	SS (mg/L)
CF	20220108	Sunny	Moderate	Mid-Flood	M	10.7	9:32	8.54	8.41	34.81	21.9	2.92	5
CF	20220108	Sunny	Moderate	Mid-Flood	M	10.7	9:32	8.62	8.49	34.79	21.93	3.16	5
CF	20220108	Sunny	Moderate	Mid-Flood	B	20.4	9:31	8.58	8.46	34.77	21.89	3.29	7
CF	20220108	Sunny	Moderate	Mid-Flood	B	20.4	9:31	8.54	8.44	34.83	21.92	3.35	7
CF	20220111	Sunny	Moderate	Mid-Flood	S	1	17:42	9.03	8.28	34.22	20.2	2.89	4
CF	20220111	Sunny	Moderate	Mid-Flood	S	1	17:42	8.98	8.24	34.25	20.15	3.33	4
CF	20220111	Sunny	Moderate	Mid-Flood	M	9.65	17:41	8.89	8.21	34.22	20.17	3.47	4
CF	20220111	Sunny	Moderate	Mid-Flood	M	9.65	17:41	8.86	8.21	34.16	20.13	3.66	2.5
CF	20220111	Sunny	Moderate	Mid-Flood	B	18.3	17:40	9.01	8.28	34.1	20.21	3.57	10
CF	20220111	Sunny	Moderate	Mid-Flood	B	18.3	17:40	9.12	8.25	34.31	20.27	3.9	10
CF	20220113	Cloudy	Moderate	Mid-Flood	S	1	12:51	8.81	8.29	32.95	20.64	5.41	8
CF	20220113	Cloudy	Moderate	Mid-Flood	S	1	12:51	8.87	8.35	32.89	20.59	5.08	8
CF	20220113	Cloudy	Moderate	Mid-Flood	M	10.55	12:50	8.84	8.3	32.99	20.73	4.4	4
CF	20220113	Cloudy	Moderate	Mid-Flood	M	10.55	12:50	8.9	8.37	33.01	20.74	4.67	3
CF	20220113	Cloudy	Moderate	Mid-Flood	B	20.1	12:49	8.79	8.29	32.97	20.72	4.4	5
CF	20220113	Cloudy	Moderate	Mid-Flood	B	20.1	12:49	8.9	8.37	32.95	20.72	4.73	5
CF	20220115	Cloudy	Moderate	Mid-Flood	S	1	14:07	8.8	8.31	34.22	20.75	3.83	2.5
CF	20220115	Cloudy	Moderate	Mid-Flood	S	1	14:07	8.79	8.28	34.31	20.72	3.71	3
CF	20220115	Cloudy	Moderate	Mid-Flood	M	10.5	14:06	8.76	8.26	34.32	20.78	3.7	2.5
CF	20220115	Cloudy	Moderate	Mid-Flood	M	10.5	14:06	8.77	8.28	34.26	20.7	3.5	2.5
CF	20220115	Cloudy	Moderate	Mid-Flood	B	20	14:05	8.82	8.28	34.35	20.68	4.19	5
CF	20220115	Cloudy	Moderate	Mid-Flood	B	20	14:05	8.81	8.3	34.36	20.76	3.68	5
CF	20220118	Cloudy	Moderate	Mid-Flood	S	1	15:42	8.17	8.16	33.9	20.88	3.72	11
CF	20220118	Cloudy	Moderate	Mid-Flood	S	1	15:42	8.16	8.18	33.94	20.82	3.46	11
CF	20220118	Cloudy	Moderate	Mid-Flood	M	10.75	15:41	8.29	8.16	33.98	21.02	3.29	7
CF	20220118	Cloudy	Moderate	Mid-Flood	M	10.75	15:41	8.15	8.12	33.9	20.89	3.66	7

Location	Date	Weather	Sea Conidtion	Tidal	Water Level	Depth (m)	Time	DO (mg/L)	H	Sal (ppt)	Temp (¢XC)	Turbidty (NTU)	SS (mg/L)
CF	20220118	Cloudy	Moderate	Mid-Flood	B	20.5	15:40	8.21	8.17	33.89	21.02	4.63	7
CF	20220118	Cloudy	Moderate	Mid-Flood	B	20.5	15:40	8.17	8.18	33.86	20.93	4.17	7
CF	20220120	Sunny	Moderate	Mid-Flood	S	1	8:02	8.4	8.2	33.59	20.71	4.97	5
CF	20220120	Sunny	Moderate	Mid-Flood	S	1	8:02	8.5	8.23	33.63	20.72	4.91	5
CF	20220120	Sunny	Moderate	Mid-Flood	M	10.35	8:01	8.35	8.22	33.68	20.66	5.27	5
CF	20220120	Sunny	Moderate	Mid-Flood	M	10.35	8:01	8.4	8.21	33.57	20.69	5	4
CF	20220120	Sunny	Moderate	Mid-Flood	B	19.7	8:00	8.42	8.2	33.56	20.75	5.11	4
CF	20220120	Sunny	Moderate	Mid-Flood	B	19.7	8:00	8.37	8.21	33.71	20.72	5.32	4
CF	20220122	Cloudy	Moderate	Mid-Flood	S	1	8:04	8.9	8.26	33.11	20.94	4.55	3
CF	20220122	Cloudy	Moderate	Mid-Flood	S	1	8:04	8.92	8.24	32.99	20.99	4.06	3
CF	20220122	Cloudy	Moderate	Mid-Flood	M	9.95	8:03	9.01	8.29	33.05	20.9	4.23	5
CF	20220122	Cloudy	Moderate	Mid-Flood	M	9.95	8:03	8.95	8.24	33.03	20.83	4.08	5
CF	20220122	Cloudy	Moderate	Mid-Flood	B	18.9	8:02	8.99	8.24	33.11	20.87	4.15	5
CF	20220122	Cloudy	Moderate	Mid-Flood	B	18.9	8:02	8.97	8.29	33.19	20.95	4.04	4
CF	20220125	Cloudy	Moderate	Mid-Flood	S	1	10:01	8.41	8.17	30.63	21.08	4.17	3
CF	20220125	Cloudy	Moderate	Mid-Flood	S	1	10:01	8.36	8.17	30.71	21.07	3.85	3
CF	20220125	Cloudy	Moderate	Mid-Flood	M	10.2	10:00	8.41	8.2	30.53	21.01	4.26	3
CF	20220125	Cloudy	Moderate	Mid-Flood	M	10.2	10:00	8.26	8.18	30.6	21.08	4.23	5
CF	20220125	Cloudy	Moderate	Mid-Flood	B	19.4	9:59	8.41	8.18	30.53	21.02	3.97	5
CF	20220125	Cloudy	Moderate	Mid-Flood	B	19.4	9:59	8.26	8.26	30.73	21.15	4.23	3
CF	20220127	Cloudy	Moderate	Mid-Flood	S	1	11:28	8.6	8.04	31.54	21.07	3.7	22
CF	20220127	Cloudy	Moderate	Mid-Flood	S	1	11:28	8.6	8.14	31.43	20.99	3.49	22
CF	20220127	Cloudy	Moderate	Mid-Flood	M	10.7	11:27	8.74	8.07	31.54	21.07	3.43	2.5
CF	20220127	Cloudy	Moderate	Mid-Flood	M	10.7	11:27	8.72	8.08	31.51	20.98	3.65	3
CF	20220127	Cloudy	Moderate	Mid-Flood	B	20.4	11:26	8.72	8.15	31.44	21.06	3.88	5
CF	20220127	Cloudy	Moderate	Mid-Flood	B	20.4	11:26	8.6	8.06	31.55	20.94	3.9	4

Location	Date	Weather	Sea Conidtion	Tidal	Water Level	Depth (m)	Time	DO (mg/L)	H	Sal (ppt)	Temp (¢XC)	Turbidty (NTU)	SS (mg/L)
CF	20220129	Cloudy	Moderate	Mid-Flood	S	1	13:12	8.81	8.2	30.32	20.48	3.59	15
CF	20220129	Cloudy	Moderate	Mid-Flood	S	1	13:12	8.81	8.18	30.36	20.57	3.53	15
CF	20220129	Cloudy	Moderate	Mid-Flood	M	10.35	13:11	8.8	8.13	30.26	20.57	3.48	2.5
CF	20220129	Cloudy	Moderate	Mid-Flood	M	10.35	13:11	8.82	8.18	30.31	20.54	3.41	3
CF	20220129	Cloudy	Moderate	Mid-Flood	B	19.7	13:10	8.85	8.15	30.42	20.44	4.03	4
CF	20220129	Cloudy	Moderate	Mid-Flood	B	19.7	13:10	8.84	8.14	30.47	20.42	4.15	4
CF	20220131	Cloudy	Moderate	Mid-Flood	S	1	15:09	8.74	8.19	33.89	20.25	4.19	3
CF	20220131	Cloudy	Moderate	Mid-Flood	S	1	15:09	8.82	8.22	33.89	20.23	4.28	4
CF	20220131	Cloudy	Moderate	Mid-Flood	M	10.35	15:08	8.78	8.16	33.93	20.28	3.65	4
CF	20220131	Cloudy	Moderate	Mid-Flood	M	10.35	15:08	8.67	8.15	33.88	20.28	3.87	3
CF	20220131	Cloudy	Moderate	Mid-Flood	B	19.7	15:07	8.67	8.17	34.02	20.25	4.28	2.5
CF	20220131	Cloudy	Moderate	Mid-Flood	B	19.7	15:07	8.81	8.15	33.95	20.21	4.15	4
WSR01	20220101	Cloudy	Moderate	Mid-Flood	S	1	14:59	8.67	8.46	31.45	22.31	2.22	5
WSR01	20220101	Cloudy	Moderate	Mid-Flood	S	1	14:59	8.8	8.39	31.59	22.2	2.21	5
WSR01	20220101	Cloudy	Moderate	Mid-Flood	M	4.35	14:58	8.62	8.43	31.56	22.32	2.1	4
WSR01	20220101	Cloudy	Moderate	Mid-Flood	M	4.35	14:58	8.79	8.4	31.42	22.3	2	4
WSR01	20220101	Cloudy	Moderate	Mid-Flood	B	7.7	14:57	8.89	8.39	31.5	22.17	1.6	5
WSR01	20220101	Cloudy	Moderate	Mid-Flood	B	7.7	14:57	8.62	8.38	31.44	22.32	1.73	4
WSR01	20220104	Sunny	Moderate	Mid-Flood	S	1	8:23	8.59	8.34	31.62	22.62	2.47	5
WSR01	20220104	Sunny	Moderate	Mid-Flood	S	1	8:23	8.4	8.31	31.62	22.42	2.28	4
WSR01	20220104	Sunny	Moderate	Mid-Flood	M	4.5	8:22	8.55	8.27	31.68	22.42	2.17	6
WSR01	20220104	Sunny	Moderate	Mid-Flood	M	4.5	8:22	8.39	8.26	31.64	22.43	1.96	7
WSR01	20220104	Sunny	Moderate	Mid-Flood	B	8	8:21	8.47	8.27	31.66	22.65	2.15	5
WSR01	20220104	Sunny	Moderate	Mid-Flood	B	8	8:21	8.33	8.28	31.62	22.59	2.09	5
WSR01	20220106	Sunny	Moderate	Mid-Flood	S	1	8:34	8.19	8.23	32.7	22.34	3.81	3
WSR01	20220106	Sunny	Moderate	Mid-Flood	S	1	8:34	8.19	8.26	32.73	22.27	4.02	3

Location	Date	Weather	Sea Conidtion	Tidal	Water Level	Depth (m)	Time	DO (mg/L)	H	Sal (ppt)	Temp (¢XC)	Turbidty (NTU)	SS (mg/L)
WSR01	20220106	Sunny	Moderate	Mid-Flood	M	4.75	8:33	8.13	8.25	32.87	22.48	3.67	3
WSR01	20220106	Sunny	Moderate	Mid-Flood	M	4.75	8:33	8.22	8.23	32.82	22.29	3.55	5
WSR01	20220106	Sunny	Moderate	Mid-Flood	B	8.5	8:32	8.19	8.21	32.89	22.38	3.37	4
WSR01	20220106	Sunny	Moderate	Mid-Flood	B	8.5	8:32	8.2	8.2	32.84	22.22	3.27	2.5
WSR01	20220108	Sunny	Moderate	Mid-Flood	S	1	9:56	8.85	8.41	34.38	21.83	2.78	2.5
WSR01	20220108	Sunny	Moderate	Mid-Flood	S	1	9:56	8.82	8.41	34.45	21.9	2.89	2.5
WSR01	20220108	Sunny	Moderate	Mid-Flood	M	4.5	9:55	8.8	8.39	34.4	21.87	2.62	6
WSR01	20220108	Sunny	Moderate	Mid-Flood	M	4.5	9:55	8.78	8.38	34.33	21.93	2.49	7
WSR01	20220108	Sunny	Moderate	Mid-Flood	B	8	9:54	8.79	8.41	34.38	21.96	2.57	7
WSR01	20220108	Sunny	Moderate	Mid-Flood	B	8	9:54	8.77	8.47	34.37	21.88	2.41	4
WSR01	20220111	Sunny	Moderate	Mid-Flood	S	1	18:02	9.29	8.29	34.81	19.86	2.79	3
WSR01	20220111	Sunny	Moderate	Mid-Flood	S	1	18:02	9.36	8.26	34.97	19.79	2.55	2.5
WSR01	20220111	Sunny	Moderate	Mid-Flood	M	4.2	18:01	9.53	8.29	34.84	19.87	2.23	5
WSR01	20220111	Sunny	Moderate	Mid-Flood	M	4.2	18:01	9.46	8.24	34.93	19.71	2.59	3
WSR01	20220111	Sunny	Moderate	Mid-Flood	B	7.4	18:00	9.38	8.25	34.85	19.76	2.38	5
WSR01	20220111	Sunny	Moderate	Mid-Flood	B	7.4	18:00	9.4	8.29	34.84	19.7	2.01	4
WSR01	20220113	Cloudy	Moderate	Mid-Flood	S	1	13:26	9.04	8.31	32.25	20.52	3.59	2.5
WSR01	20220113	Cloudy	Moderate	Mid-Flood	S	1	13:26	9.11	8.29	32.28	20.62	3.6	2.5
WSR01	20220113	Cloudy	Moderate	Mid-Flood	M	4.4	13:25	8.94	8.23	32.24	20.55	3.19	3
WSR01	20220113	Cloudy	Moderate	Mid-Flood	M	4.4	13:25	9.06	8.28	32.18	20.57	3.49	3
WSR01	20220113	Cloudy	Moderate	Mid-Flood	B	7.8	13:24	8.88	8.28	32.21	20.5	3.06	2.5
WSR01	20220113	Cloudy	Moderate	Mid-Flood	B	7.8	13:24	8.22	8.26	32.18	20.54	3.11	2.5
WSR01	20220115	Cloudy	Moderate	Mid-Flood	S	1	14:33	8.49	8.17	34.38	21.2	3.13	3
WSR01	20220115	Cloudy	Moderate	Mid-Flood	S	1	14:33	8.42	8.15	34.36	21.21	3.19	3
WSR01	20220115	Cloudy	Moderate	Mid-Flood	M	4.4	14:32	8.45	8.17	34.47	21.18	2.34	6
WSR01	20220115	Cloudy	Moderate	Mid-Flood	M	4.4	14:32	8.48	8.17	34.33	21.27	2.33	8

Location	Date	Weather	Sea Conidtion	Tidal	Water Level	Depth (m)	Time	DO (mg/L)	H	Sal (ppt)	Temp (¢XC)	Turbidty (NTU)	SS (mg/L)
WSR01	20220115	Cloudy	Moderate	Mid-Flood	B	7.8	14:31	8.51	8.2	34.48	21.23	2.58	3
WSR01	20220115	Cloudy	Moderate	Mid-Flood	B	7.8	14:31	8.46	8.18	34.43	21.18	2.5	3
WSR01	20220118	Cloudy	Moderate	Mid-Flood	S	1	16:02	8.29	8.37	34.32	20.65	3.45	8
WSR01	20220118	Cloudy	Moderate	Mid-Flood	S	1	16:02	8.26	8.34	34.35	20.75	3.44	8
WSR01	20220118	Cloudy	Moderate	Mid-Flood	M	4.6	16:01	8.25	8.35	34.29	20.8	2.64	4
WSR01	20220118	Cloudy	Moderate	Mid-Flood	M	4.6	16:01	8.26	8.35	34.39	20.81	2.88	5
WSR01	20220118	Cloudy	Moderate	Mid-Flood	B	8.2	16:00	8.34	8.33	34.34	20.73	2.9	8
WSR01	20220118	Cloudy	Moderate	Mid-Flood	B	8.2	16:00	8.22	8.34	34.32	20.67	3.04	8
WSR01	20220120	Sunny	Moderate	Mid-Flood	S	1	8:22	8.31	8.3	33.5	20.91	3.21	5
WSR01	20220120	Sunny	Moderate	Mid-Flood	S	1	8:22	8.26	8.31	33.48	20.95	3.23	5
WSR01	20220120	Sunny	Moderate	Mid-Flood	M	4.75	8:21	8.21	8.24	33.27	20.89	2.81	5
WSR01	20220120	Sunny	Moderate	Mid-Flood	M	4.75	8:21	8.32	8.23	33.46	20.87	2.68	5
WSR01	20220120	Sunny	Moderate	Mid-Flood	B	8.5	8:20	8.2	8.28	33.38	20.88	3.09	5
WSR01	20220120	Sunny	Moderate	Mid-Flood	B	8.5	8:20	8.25	8.23	33.39	20.93	2.58	5
WSR01	20220122	Cloudy	Moderate	Mid-Flood	S	1	8:26	8.59	8.27	33.08	21.21	2.51	4
WSR01	20220122	Cloudy	Moderate	Mid-Flood	S	1	8:26	8.61	8.26	33.07	21.29	2.79	4
WSR01	20220122	Cloudy	Moderate	Mid-Flood	M	4.6	8:25	8.52	8.29	33.07	21.31	2.94	4
WSR01	20220122	Cloudy	Moderate	Mid-Flood	M	4.6	8:25	8.5	8.27	33.07	21.16	2.83	4
WSR01	20220122	Cloudy	Moderate	Mid-Flood	B	8.2	8:24	8.61	8.31	33.03	21.15	2.52	4
WSR01	20220122	Cloudy	Moderate	Mid-Flood	B	8.2	8:24	8.52	8.28	32.93	21.17	2.58	3
WSR01	20220125	Cloudy	Moderate	Mid-Flood	S	1	10:23	8.23	8.2	30.31	21.03	3.46	8
WSR01	20220125	Cloudy	Moderate	Mid-Flood	S	1	10:23	8.38	8.12	30.4	21.15	3.64	6
WSR01	20220125	Cloudy	Moderate	Mid-Flood	M	4.25	10:22	8.32	8.12	30.42	21.13	3.38	3
WSR01	20220125	Cloudy	Moderate	Mid-Flood	M	4.25	10:22	8.23	8.18	30.38	21.09	3.57	3
WSR01	20220125	Cloudy	Moderate	Mid-Flood	B	7.5	10:21	8.34	8.14	30.31	21.07	3.2	3
WSR01	20220125	Cloudy	Moderate	Mid-Flood	B	7.5	10:21	8.25	8.24	30.32	21.13	3.21	3

Location	Date	Weather	Sea Conidtion	Tidal	Water Level	Depth (m)	Time	DO (mg/L)	H	Sal (ppt)	Temp (¢XC)	Turbidty (NTU)	SS (mg/L)
WSR01	20220127	Cloudy	Moderate	Mid-Flood	S	1	11:52	8.84	8.21	31.21	21.07	2.39	5
WSR01	20220127	Cloudy	Moderate	Mid-Flood	S	1	11:52	8.69	8.18	31.24	21.02	2.59	4
WSR01	20220127	Cloudy	Moderate	Mid-Flood	M	4.4	11:51	8.73	8.2	31.27	21.03	2.22	4
WSR01	20220127	Cloudy	Moderate	Mid-Flood	M	4.4	11:51	8.7	8.17	31.28	21.08	2.12	3
WSR01	20220127	Cloudy	Moderate	Mid-Flood	B	7.8	11:50	8.73	8.19	31.13	21.01	2.14	4
WSR01	20220127	Cloudy	Moderate	Mid-Flood	B	7.8	11:50	8.74	8.21	31.22	20.96	2.5	3
WSR01	20220129	Cloudy	Moderate	Mid-Flood	S	1	13:36	9.18	8.18	31.31	20.45	2.77	3
WSR01	20220129	Cloudy	Moderate	Mid-Flood	S	1	13:36	9.23	8.19	31.22	20.42	3.14	4
WSR01	20220129	Cloudy	Moderate	Mid-Flood	M	4.65	13:35	9.17	8.17	31.27	20.36	2.71	3
WSR01	20220129	Cloudy	Moderate	Mid-Flood	M	4.65	13:35	9.1	8.18	31.27	20.42	2.69	6
WSR01	20220129	Cloudy	Moderate	Mid-Flood	B	8.3	13:34	9.2	8.17	31.24	20.5	2.25	4
WSR01	20220129	Cloudy	Moderate	Mid-Flood	B	8.3	13:34	9.11	8.19	31.15	20.37	2	4
WSR01	20220131	Cloudy	Moderate	Mid-Flood	S	1	15:32	8.65	7.98	33.78	19.58	2.45	7
WSR01	20220131	Cloudy	Moderate	Mid-Flood	S	1	15:32	8.73	7.97	33.67	19.59	2.34	7
WSR01	20220131	Cloudy	Moderate	Mid-Flood	M	4.65	15:31	8.7	7.97	33.7	19.6	2.19	6
WSR01	20220131	Cloudy	Moderate	Mid-Flood	M	4.65	15:31	8.64	8.04	33.7	19.62	2.06	6
WSR01	20220131	Cloudy	Moderate	Mid-Flood	B	8.3	15:30	8.73	8.05	33.86	19.65	2	2.5
WSR01	20220131	Cloudy	Moderate	Mid-Flood	B	8.3	15:30	8.64	8.02	33.75	19.65	1.95	3
WSR02	20220101	Cloudy	Moderate	Mid-Flood	S	1	15:16	8.46	8.44