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North Head Wastewater Treatment Plant June Pollution Monitoring Summary Air Quality
Licensee: Sydney Water
PO Box 399
EPL 378Summary period: 01-06-2018 to 30-06-2018 Date obtained: 20-07-18Date published: 27-07-18 PARRAMATTA NSW 2124
EPA Point 33
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
hydrogen sulphide gas mg/m3 30 minutes 1346 <0.004 0.006 5 yes
EPA Point 34
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
hydrogen sulphide gas mg/m3 30 minutes 1440 <0.004 5 yes
EPA Point 35
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
hydrogen sulphide gas mg/m3 30 minutes 1440 <0.01 0.73 5 yes
EPA Point 43
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
chlorine gas mg/m3 30 minutes 1440 <0.03 <0.03 200 yes
hydrogen sulphide gas mg/m3 30 minutes 1440 <0.01 <0.01 5 yes
EPA Point 63
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
chlorine gas mg/m3 30 minutes 1440 <0.15 3.25 200 yes
hydrogen sulphide gas mg/m3 30 minutes 1440 <0.075 0.664 5 yes
Point description: Ventilation outlet at Scotts Creek
Point description: Ventilation outlet at Lane Cove River West
*Maximum limits for air quality are based on the Protection of the Environment Operations (Clean Air) Regulation 2010 - Schedule 4 Standards of concentration for scheduledpremises: general activities and plant.
Point description: Ventilation outlet at North Head STP for Northside Storage Tunnel
Point description: NSOOS Scrubber outlet at the North Head STP
Point description: Central scrubber outlet at North Head STP
0.058
North Head Wastewater Treatment Plant May Pollution Monitoring Summary Air Quality
Licensee: Sydney Water
PO Box 399
EPL 378Summary period: 01-05-2018 to 31-05-2018 Date obtained: 20-07-18Date published: 27-07-18 PARRAMATTA NSW 2124
EPA Point 33
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
hydrogen sulphide gas mg/m3 30 minutes 1487 <0.004 <0.004 5 yes
EPA Point 34
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
hydrogen sulphide gas mg/m3 30 minutes 1487 <0.004 5 yes
EPA Point 35
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
hydrogen sulphide gas mg/m3 30 minutes 1488 <0.01 4.89 5 yes
EPA Point 43
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
chlorine gas mg/m3 30 minutes 1488 <0.03 <0.03 200 yes
hydrogen sulphide gas mg/m3 30 minutes 1488 <0.01 <0.01 5 yes
EPA Point 63
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
chlorine gas mg/m3 30 minutes 1488 <0.15 1.74 200 yes
hydrogen sulphide gas mg/m3 30 minutes 1488 <0.075 1.384 5 yes
Point description: Ventilation outlet at Scotts Creek
Point description: Ventilation outlet at Lane Cove River West
*
Maximum limits for air quality are based on the Protection of the Environment Operations (Clean Air) Regulation 2010 - Schedule 4 Standards of concentration for scheduled
premises: general activities and plant.
Point description: Ventilation outlet at North Head STP for Northside Storage Tunnel
Point description: NSOOS Scrubber outlet at the North Head STP
Point description: Central scrubber outlet at North Head STP
0.010
North Head Wastewater Treatment Plant April Pollution Monitoring Summary Air Quality
Licensee: Sydney Water
PO Box 399
EPL 378Summary period: 01-04-2018 to 30-04-2018 Date obtained: 20-07-18Date published: 27-07-18 PARRAMATTA NSW 2124
EPA Point 33
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
hydrogen sulphide gas mg/m3 30 minutes 1440 <0.004 <0.004 5 yes
EPA Point 34
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
hydrogen sulphide gas mg/m3 30 minutes 1439 <0.004 5 yes
EPA Point 35
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
hydrogen sulphide gas mg/m3 30 minutes 1442 <0.01 4.80 5 yes
EPA Point 43
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
chlorine gas mg/m3 30 minutes 1442 <0.03 <0.03 200 yes
hydrogen sulphide gas mg/m3 30 minutes 1442 <0.01 <0.01 5 yes
EPA Point 63
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
chlorine gas mg/m3 30 minutes 1442 <0.15 1.05 200 yes
hydrogen sulphide gas mg/m3 30 minutes 1442 <0.075 1.882 5 yes
Point description: Ventilation outlet at Scotts Creek
Point description: Ventilation outlet at Lane Cove River West
*Maximum limits for air quality are based on the Protection of the Environment Operations (Clean Air) Regulation 2010 - Schedule 4 Standards of concentration for scheduledpremises: general activities and plant.
Point description: Ventilation outlet at North Head STP for Northside Storage Tunnel
Point description: NSOOS Scrubber outlet at the North Head STP
Point description: Central scrubber outlet at North Head STP
<0.004
North Head Wastewater Treatment Plant March Pollution Monitoring Summary Air Quality
Licensee: Sydney Water
PO Box 399
EPL 378Summary period: 01-03-2018 to 31-03-2018 Date obtained: 20-07-18Date published: 27-07-18 PARRAMATTA NSW 2124
EPA Point 33
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
hydrogen sulphide gas mg/m3 30 minutes 1486 <0.004 <0.004 5 yes
EPA Point 34
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
hydrogen sulphide gas mg/m3 30 minutes 1488 <0.004 5 yes
EPA Point 35
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
hydrogen sulphide gas mg/m3 30 minutes 1488 <0.01 1.57 5 yes
EPA Point 43
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
chlorine gas mg/m3 30 minutes 1488 <0.03 1.07 200 yes
hydrogen sulphide gas mg/m3 30 minutes 1488 <0.01 1.41 5 yes
EPA Point 63
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
chlorine gas mg/m3 30 minutes 1488 <0.15 1.79 200 yes
hydrogen sulphide gas mg/m3 30 minutes 1488 <0.075 1.685 5 yes
Point description: Ventilation outlet at Scotts Creek
Point description: Ventilation outlet at Lane Cove River West
*Maximum limits for air quality are based on the Protection of the Environment Operations (Clean Air) Regulation 2010 - Schedule 4 Standards of concentration for scheduledpremises: general activities and plant.
Point description: Ventilation outlet at North Head STP for Northside Storage Tunnel
Point description: NSOOS Scrubber outlet at the North Head STP
Point description: Central scrubber outlet at North Head STP
0.042
North Head Wastewater Treatment Plant February Pollution Monitoring Summary Air Quality
Licensee: Sydney Water
PO Box 399
EPL 378Summary period: 01-02-2018 to 28-02-2018 Date obtained: 20-07-18Date published: 27-07-18 PARRAMATTA NSW 2124
EPA Point 33
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
hydrogen sulphide gas mg/m3 30 minutes 1344 <0.004 <0.004 5 yes
EPA Point 34
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
hydrogen sulphide gas mg/m3 30 minutes 1344 <0.004 5 yes
EPA Point 35
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
hydrogen sulphide gas mg/m3 30 minutes 1344 <0.01 1.25 5 yes
EPA Point 43
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
chlorine gas mg/m3 30 minutes 1344 <0.03 0.06 200 yes
hydrogen sulphide gas mg/m3 30 minutes 1344 <0.01 <0.01 5 yes
EPA Point 63
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
chlorine gas mg/m3 30 minutes 1344 0.050 1.09 200 yes
hydrogen sulphide gas mg/m3 30 minutes 1344 <0.075 1.389 5 yes
Point description: Ventilation outlet at Scotts Creek
Point description: Ventilation outlet at Lane Cove River West
*Maximum limits for air quality are based on the Protection of the Environment Operations (Clean Air) Regulation 2010 - Schedule 4 Standards of concentration for scheduledpremises: general activities and plant.
Point description: Ventilation outlet at North Head STP for Northside Storage Tunnel
Point description: NSOOS Scrubber outlet at the North Head STP
Point description: Central scrubber outlet at North Head STP
<0.004
North Head Wastewater Treatment Plant January Pollution Monitoring Summary Air Quality
Licensee: Sydney Water
PO Box 399
EPL 378Summary period: 01-01-2018 to 31-01-2018 Date obtained: 02-02-18Date published: 09-02-18 PARRAMATTA NSW 2124
EPA Point 33
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
hydrogen sulphide gas mg/m3 30 minutes 1488 <0.004 <0.004 5 yes
EPA Point 34
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
hydrogen sulphide gas mg/m3 30 minutes 1488 <0.004 5 yes
EPA Point 35
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
hydrogen sulphide gas mg/m3 30 minutes 1488 <0.01 2.76 5 yes
EPA Point 43
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
chlorine gas mg/m3 30 minutes 1488 <0.03 4.12 200 yes
hydrogen sulphide gas mg/m3 30 minutes 1488 <0.01 3.71 5 yes
EPA Point 63
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
chlorine gas mg/m3 30 minutes 1488 <0.15 1.09 200 yes
hydrogen sulphide gas mg/m3 30 minutes 1488 <0.075 1.389 5 yes
Point description: Ventilation outlet at Scotts Creek
Point description: Ventilation outlet at Lane Cove River West
*Maximum limits for air quality are based on the Protection of the Environment Operations (Clean Air) Regulation 2010 - Schedule 4 Standards of concentration for scheduledpremises: general activities and plant.
Point description: Ventilation outlet at North Head STP for Northside Storage Tunnel
Point description: NSOOS Scrubber outlet at the North Head STP
Point description: Central scrubber outlet at North Head STP
0.128
North Head Wastewater Treatment Plant December Pollution Monitoring Summary Air Quality
Licensee: Sydney Water
PO Box 399
EPL 378Summary period: 01-12-2017 to 31-12-2017 Date obtained: 20-07-18Date published: 27-07-18 PARRAMATTA NSW 2124
EPA Point 33
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
hydrogen sulphide gas mg/m3 30 minutes 1488 <0.004 <0.004 5 yes
EPA Point 34
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
hydrogen sulphide gas mg/m3 30 minutes 1487 <0.004 5 yes
EPA Point 35
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
hydrogen sulphide gas mg/m3 30 minutes 1488 <0.01 4.65 5 yes
EPA Point 43
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
chlorine gas mg/m3 30 minutes 1488 <0.03 4.06 200 yes
hydrogen sulphide gas mg/m3 30 minutes 1488 <0.01 0.23 5 yes
EPA Point 63
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
chlorine gas mg/m3 30 minutes 1488 <0.15 1.04 200 yes
hydrogen sulphide gas mg/m3 30 minutes 1488 <0.075 1.718 5 yes
Point description: Ventilation outlet at Scotts Creek
Point description: Ventilation outlet at Lane Cove River West
*Maximum limits for air quality are based on the Protection of the Environment Operations (Clean Air) Regulation 2010 - Schedule 4 Standards of concentration for scheduledpremises: general activities and plant.
Point description: Ventilation outlet at North Head STP for Northside Storage Tunnel
Point description: NSOOS Scrubber outlet at the North Head STP
Point description: Central scrubber outlet at North Head STP
0.031
North Head Wastewater Treatment Plant November Pollution Monitoring Summary Air Quality
Licensee: Sydney Water
PO Box 399
EPL 378Summary period: 01-11-2017 to 30-11-2017 Date obtained: 20-07-18Date published: 27-07-18 PARRAMATTA NSW 2124
EPA Point 33
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
hydrogen sulphide gas mg/m3 30 minutes 1440 <0.004 <0.004 5 yes
EPA Point 34
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
hydrogen sulphide gas mg/m3 30 minutes 1437 <0.004 5 yes
EPA Point 35
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
hydrogen sulphide gas mg/m3 30 minutes 1440 <0.01 3.42 5 yes
EPA Point 43
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
chlorine gas mg/m3 30 minutes 1440 <0.03 3.51 200 yes
hydrogen sulphide gas mg/m3 30 minutes 1440 <0.01 0.44 5 yes
EPA Point 63
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
chlorine gas mg/m3 30 minutes 1440 <0.15 0.96 200 yes
hydrogen sulphide gas mg/m3 30 minutes 1440 <0.075 0.538 5 yes
Point description: Ventilation outlet at Scotts Creek
Point description: Ventilation outlet at Lane Cove River West
*Maximum limits for air quality are based on the Protection of the Environment Operations (Clean Air) Regulation 2010 - Schedule 4 Standards of concentration for scheduledpremises: general activities and plant.
Point description: Ventilation outlet at North Head STP for Northside Storage Tunnel
Point description: NSOOS Scrubber outlet at the North Head STP
Point description: Central scrubber outlet at North Head STP
0.013
North Head Wastewater Treatment Plant October Pollution Monitoring Summary Air Quality
Licensee: Sydney Water
PO Box 399
EPL 378Summary period: 01-10-2017 to 31-10-2017 Date obtained: 06-11-17Date published: 11-11-17 PARRAMATTA NSW 2124
EPA Point 33
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
hydrogen sulphide gas mg/m3 30 minutes 1486 <0.004 <0.004 5 yes
EPA Point 34
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
hydrogen sulphide gas mg/m3 30 minutes 1486 <0.004 5 yes
EPA Point 35
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
hydrogen sulphide gas mg/m3 30 minutes 1486 <0.01 3.55 5 yes
EPA Point 43
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
chlorine gas mg/m3 30 minutes 1486 <0.03 5.13 200 yes
hydrogen sulphide gas mg/m3 30 minutes 1486 <0.01 4.27 5 yes
EPA Point 63
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
chlorine gas mg/m3 30 minutes 1486 <0.15 0.42 200 yes
hydrogen sulphide gas mg/m3 30 minutes 1486 <0.075 1.314 5 yes
Point description: Ventilation outlet at Scotts Creek
Point description: Ventilation outlet at Lane Cove River West
*Maximum limits for air quality are based on the Protection of the Environment Operations (Clean Air) Regulation 2010 - Schedule 4 Standards of concentration for scheduledpremises: general activities and plant.
Point description: Ventilation outlet at North Head STP for Northside Storage Tunnel
Point description: NSOOS Scrubber outlet at the North Head STP
Point description: Central scrubber outlet at North Head STP
0.070
North Head Wastewater Treatment Plant September Pollution Monitoring Summary Air Quality
Licensee: Sydney Water
PO Box 399
EPL 378Summary period: 01-09-2017 to 30-09-2017 Date obtained: 20-07-18Date published: 27-07-18 PARRAMATTA NSW 2124
EPA Point 33
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
hydrogen sulphide gas mg/m3 30 minutes 1440 <0.004 <0.004 5 yes
EPA Point 34
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
hydrogen sulphide gas mg/m3 30 minutes 1439 <0.004 5 yes
EPA Point 35
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
hydrogen sulphide gas mg/m3 30 minutes 1440 <0.01 2.17 5 yes
EPA Point 43
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
chlorine gas mg/m3 30 minutes 1440 <0.03 13.13 200 yes
hydrogen sulphide gas mg/m3 30 minutes 1440 <0.01 0.47 5 yes
EPA Point 63
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
chlorine gas mg/m3 30 minutes 1440 <0.15 0.87 200 yes
hydrogen sulphide gas mg/m3 30 minutes 1440 <0.075 1.854 5 yes
Point description: Ventilation outlet at Scotts Creek
Point description: Ventilation outlet at Lane Cove River West
*Maximum limits for air quality are based on the Protection of the Environment Operations (Clean Air) Regulation 2010 - Schedule 4 Standards of concentration for scheduledpremises: general activities and plant.
Point description: Ventilation outlet at North Head STP for Northside Storage Tunnel
Point description: NSOOS Scrubber outlet at the North Head STP
Point description: Central scrubber outlet at North Head STP
0.105
North Head Wastewater Treatment Plant August Pollution Monitoring Summary Air Quality
Licensee: Sydney Water
PO Box 399
EPL 378Summary period: 01-08-2017 to 31-08-2017 Date obtained: 20-07-18Date published: 27-07-18 PARRAMATTA NSW 2124
EPA Point 33
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
hydrogen sulphide gas mg/m3 30 minutes 1488 <0.004 <0.004 5 yes
EPA Point 34
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
hydrogen sulphide gas mg/m3 30 minutes 1486 <0.004 5 yes
EPA Point 35
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
hydrogen sulphide gas mg/m3 30 minutes 1488 <0.01 4.69 5 yes
EPA Point 43
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
chlorine gas mg/m3 30 minutes 1488 <0.03 8.17 200 yes
hydrogen sulphide gas mg/m3 30 minutes 1488 <0.01 1.15 5 yes
EPA Point 63
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
chlorine gas mg/m3 30 minutes 1488 <0.15 <0.15 200 yes
hydrogen sulphide gas mg/m3 30 minutes 1488 <0.075 1.885 5 yes
Point description: Ventilation outlet at Scotts Creek
Point description: Ventilation outlet at Lane Cove River West
*Maximum limits for air quality are based on the Protection of the Environment Operations (Clean Air) Regulation 2010 - Schedule 4 Standards of concentration for scheduledpremises: general activities and plant.
Point description: Ventilation outlet at North Head STP for Northside Storage Tunnel
Point description: NSOOS Scrubber outlet at the North Head STP
Point description: Central scrubber outlet at North Head STP
0.128
North Head Wastewater Treatment Plant July Pollution Monitoring Summary Air Quality
Licensee: Sydney Water
PO Box 399
EPL 378Summary period: 01-07-2017 to 31-07-2017 Date obtained: 20-07-18Date published: 27-07-18 PARRAMATTA NSW 2124
EPA Point 33
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
hydrogen sulphide gas mg/m3 30 minutes 1488 <0.004 <0.004 5 yes
EPA Point 34
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
hydrogen sulphide gas mg/m3 30 minutes 1487 <0.004 5 yes
EPA Point 35
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
hydrogen sulphide gas mg/m3 30 minutes 1488 <0.01 2.26 5 yes
EPA Point 43
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
chlorine gas mg/m3 30 minutes 1488 <0.03 0.28 200 yes
hydrogen sulphide gas mg/m3 30 minutes 1488 <0.01 0.16 5 yes
EPA Point 63
pollutantunit of
measuresampling frequency
number of samples
minimum result
maximum result
maximum limit
within limits*
chlorine gas mg/m3 30 minutes 1488 <0.15 <0.15 200 yes
hydrogen sulphide gas mg/m3 30 minutes 1488 <0.075 1.505 5 yes
Point description: Ventilation outlet at Scotts Creek
Point description: Ventilation outlet at Lane Cove River West
*Maximum limits for air quality are based on the Protection of the Environment Operations (Clean Air) Regulation 2010 - Schedule 4 Standards of concentration for scheduledpremises: general activities and plant.
Point description: Ventilation outlet at North Head STP for Northside Storage Tunnel
Point description: NSOOS Scrubber outlet at the North Head STP
Point description: Central scrubber outlet at North Head STP
0.034
North Head Wastewater Treatment Plant
Air Quality Correction Log EPL 378
Licensee: Sydney Water
PO Box 399
PARRAMATTA NSW 2124
EPA Point 33 Point description: Ventilation outlet at Scotts Creek
Pollutant
unit of
measure
Original data Corrected data Date
corrected
Date
originally
published
Reason number of samples
minimum maximum Number of samples
minimum maximum
hydrogen sulphide gas mg/m3 1488 1486 27-07-18 13-04-18 Incorrect number of samples reported
hydrogen sulphide gas mg/m3 1442 1440 27-07-18 11-05-18 Incorrect number of samples reported
hydrogen sulphide gas mg/m3 1488 1487 27-07-18 13-06-18 Incorrect number of samples reported
EPA Point 33 Point description: Ventilation outlet at Scotts Creek
Pollutant
unit of
measure
Original data Corrected data Date
corrected
Date
originally
published
Reason number of samples
minimum maximum Number of samples
minimum maximum
hydrogen sulphide gas mg/m3 1488 1487 27-07-18 11-08-17 Incorrect number of samples reported
hydrogen sulphide gas mg/m3 1488 1486 27-07-18 13-09-17 Incorrect number of samples reported
hydrogen sulphide gas mg/m3 1440 1439 27-07-18 11-10-17 Incorrect number of samples reported
hydrogen sulphide gas mg/m3 1440 1437 27-07-18 11-12-17 Incorrect number of samples reported
hydrogen sulphide gas mg/m3 1488 1487 27-07-18 09-01-18 Incorrect number of samples reported
hydrogen sulphide gas mg/m3 <0.004 0.006 <0.004 <0.004 27-07-18 13-03-18 Incorrect maximum value reported
hydrogen sulphide gas mg/m3 1440 1439 27-07-18 11-05-18 Incorrect number of samples reported
hydrogen sulphide gas mg/m3 1488 <0.04 0.014 1487 <0.004 0.010 27-07-18 13-06-18 Incorrect number of samples and maximum value
reported
EPA Point 35 Point description: Ventilation outlet at North Head STP for Northside Storage Tunnel
Pollutant
unit of
measure
Original data Corrected data Date corrected
Date originally
published Reason
minimum maximum minimum maximum
hydrogen sulphide gas mg/m3 <0.01 1.25 <0.01 0.15 1-06-18 15-03-18 Incorrect maximum value reported
EPA Point 43 Point description: NSOOS Scrubber outlet at the North Head STP
Pollutant
unit of
measure
Original data Corrected data Date corrected
Date originally
published Reason
minimum maximum minimum maximum
chlorine gas mg/m3 <0.03 0.06 <0.03 2.47 1-06-18 15-03-18 Incorrect maximum value reported
EPA Point 63 Point description: Central scrubber outlet at North Head STP
Pollutant
unit of
measure
Original data Corrected data Date corrected
Date originally
published Reason
minimum maximum minimum maximum
chlorine gas mg/m3 0.05 1.09 <0.15 2.80 1-06-18 15-03-18
Incorrect minimum detection limit and maximum value
reported
chlorine gas mg/m3 0.05 1.79 <0.15 1.79 1-06-18 13-04-18 Incorrect reporting of minimum detection limit
hydrogen sulphide gas mg/m3 <0.075 1.389 <0.075 1.528 1-06-18 15-03-18 Incorrect maximum value reported
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