- Marc2011 Environmental Monitoring...

CENTENNIAL MANDALONG

Environmental Monitoring Data

October 2017

- Marc2011

Environmental Monitoring Data

2

CONTENTS

INTRODUCTION ......................................................................................................................................................................... 4

SURFACE WATER QUALITY .................................................................................................................................................... 4

WATER VOLUME ....................................................................................................................................................................... 9

GROUND WATER MONITORING ............................................................................................................................................ 10

AIR QUALITY MONITORING ................................................................................................................................................... 12

COMPLAINTS ........................................................................................................................................................................... 15

WEATHER ................................................................................................................................................................................ 16

APPENDIX 1 – Cooranbong Services Site - Location of Environmental Monitoring Points ............................................. 17

APPENDIX 2 – Delta Entry Site- Location of Environmental Monitoring Points ................................................................ 19

APPENDIX 3 – Mandalong Mine - Location of Environmental Monitoring Points ............................................................. 21

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TABLES

Table 1 Mine Site Information .............................................................................................................................. 4

Table 2 LDP001 Daily Sampling results .............................................................................................................. 4

Table 3 LDP002 Daily Sampling results .............................................................................................................. 5

Table 4 LDP001 Monthly Sampling Results ........................................................................................................ 7

Table 5 Monthly Discharge Summary ................................................................................................................. 9

Table 6 Depositional Dust Results .................................................................................................................... 12

Table 7 Rolling Annual Average Dust Deposition ............................................................................................ 13

Table 8 Meteorological Monitoring Data ........................................................................................................... 16

FIGURES

Figure 1 Surface Water pH Results ..................................................................................................................... 5

Figure 2 Surface Water TSS Results ................................................................................................................... 6

Figure 3 Surface Water Oil & Grease Results ..................................................................................................... 6

Figure 4 Water Discharge Volume (kL) ............................................................................................................... 9

Figure 5 Ground Water Depth ............................................................................................................................ 10

Figure 6 Groundwater pH ................................................................................................................................... 11

Figure 7 Groundwater Electrical Conductivity ................................................................................................. 11

Figure 8 Monthly Dust Deposition Results ....................................................................................................... 12

Figure 9 Rolling Annual Average Dust Deposition .......................................................................................... 13

Figure 10 Cooranbong & Wyong PM10 24 hr concentrations and Cooranbong TSP 24hr concentration. . 14

Figure 11 Complaints by Type ........................................................................................................................... 15

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INTRODUCTION

This monitoring report is to satisfy the requirements under the Protection of the Environment Legislation Amendment

Act 2011 (POELA Act) to publish or make pollution monitoring data available to members of the public.

This document also satisfies condition 113 of Development Approval 97/800, this report provides a summary of

environmental monitoring results for Centennial Mandalong for the period of October 2017.

Table 1 Mine Site Information

Mine Site Information

Premises Details Centennial Mandalong Pty Ltd

Address Mandalong Mine, Cooranbong Colliery and Delta Coal Services Site

Licensee Centennial Mandalong Pty Ltd

EPL no 365

EPL location http://www.environment.nsw.gov.au/prpoeoapp/ViewPOEOLicence.asp

x?DOCID=30918&SYSUID=1&LICID=365

SURFACE WATER QUALITY

The following parameters pH, Total Suspended Solids (TSS mg/L), Electrical Conductivity (EC µs/cm) and Oil and

Grease (mg/L) are monitored at Licenced Discharge Point LDP001 and LDP002 daily during discharge in accordance

with the requirements of Environmental Protection Licence 365.

Table 2 and 3 show a summary of these results, whilst Figures 1 to 3 are graphical representations. Additional

pollutants are required to be monitored monthly during discharge; these results can be found in Table 4.

Table 2 LDP001 Daily Sampling results

Data Published: 14/11/2017 Licensee: Mandalong

Data Sampled: 1/10/17 - 31/10/17 Address:

Data Obtained: 6/11/2017 EPL No. 365

Pollutant Units of measure

Monitoring frequency by licence

No. of times measured during month Min. value

Max. value

100 percentile limit

Exceedance (yes/no)

Oil & Grease mg/L 21 21 0 3.0 10 No

pH pH 21 21 7.74 8.23 6.5-8.5 No

Total Suspended Solids mg/L 21 21 0 10 50 No

There were no discharge events from LDP002 in October 2017 as shown in Table 3.

http://www.environment.nsw.gov.au/prpoeoapp/ViewPOEOLicence.aspx?DOCID=30918&SYSUID=1&LICID=365

http://www.environment.nsw.gov.au/prpoeoapp/ViewPOEOLicence.aspx?DOCID=30918&SYSUID=1&LICID=365

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Table 3 LDP002 Daily Sampling results


Data Sampled: 1/10/17 – 31/10/17 Address: Data Obtained: 06/11/2017 EPL No. 365


Monitoring frequency required by licence

No. of times measured during month Min. value

Max. value


Exceedance (yes/no)

Oil & Grease mg/L 0 0 - - 10 No

pH pH 0 0 - - 6.5-8.5 No

Total Suspended Solids

mg/L 0 0 - - 50 No

Figure 1 Surface Water pH Results

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Figure 2 Surface Water TSS Results

Figure 3 Surface Water Oil & Grease Results

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Table 4 LDP001 Monthly Sampling Results


Data Sampled: 1/10/17 - 31/10/17 Address: Data Obtained: 6/11/2017 EPL No. 365


Monitoring frequency by licence

No. of times measured during month Min. value Mean value

Max. value

Aluminium (Dissolved) µg/L 1 1 <LOR <LOR <LOR

Aluminium (Total) µg/L 1 1 <LOR <LOR <LOR

Antimony µg/L 1 1 <LOR <LOR <LOR

Arsenic (Dissolved) µg/L 1 1 2 2 2

Arsenic (Total) µg/L 1 1 4 4 4

Barium µg/L 1 1 154 154 154

Beryillium (Dissolved) µg/L 1 1 <LOR <LOR <LOR

Beryillium (Total) µg/L 1 1 <LOR <LOR <LOR

Boron µg/L 1 1 220 220 220

Cadmium (Dissolved) µg/L 1 1 <LOR <LOR <LOR

Cadmium (Total) µg/L 1 1 <LOR <LOR <LOR

Calcium µg/L 1 1 42000 42000 42000 Chromium (Dissolved) µg/L 1 1 <LOR <LOR <LOR

Chromium (Total) µg/L 1 1 <LOR <LOR <LOR

Cobalt (Dissolved) µg/L 1 1 2 2 2

Cobalt (Total) µg/L 1 1 2 2 2

Conductivity µS/cm 21 21 3120 3804.28571 4330

Copper (Dissolved) µg/L 1 1 <LOR <LOR <LOR

Copper (Total) µg/L 1 1 <LOR <LOR <LOR

Iron (Filt) µg/L 1 1 100 100 100

Lead (Total) µg/L 1 1 <LOR <LOR <LOR

Lead (dissolved) µg/L 1 1 <LOR <LOR <LOR

Lithium µg/L 1 1 144 144 144

Magnesium µg/L 1 1 41000 41000 41000

Manganese (Filt) µg/L 1 1 43 43 43

Mercury (Total) µg/L 1 1 <LOR <LOR <LOR

Mercury (dissolved) µg/L 1 1 <LOR <LOR <LOR

Molybdemon (Dissolved) µg/L 1 1 44 44 44

Molybdemon (Total) µg/L 1 1 46 46 46

Nickel (Dissolved) µg/L 1 1 39 39 39

Nickel (Total) µg/L 1 1 39 39 39

Phosphorous (Total) µg/L 1 1 <LOR <LOR <LOR

Potassium ug/L 1 1 16000 16000 16000

Selenium (Dissolved) µg/L 1 1 <LOR <LOR <LOR

Selenium (Total) µg/L 1 1 <LOR <LOR <LOR

Silica µg/L 1 1 10700 10700 10700

Silver µg/L 1 1 <LOR <LOR <LOR

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Silver (dissolved) µg/L 1 1 <LOR <LOR <LOR

Sodium µg/L 1 1 794000 794000 794000

Sulfur µg/L 1 1 44000 44000 44000

Tin µg/L 1 1 <LOR <LOR <LOR

Titanium µg/L 1 1 <LOR <LOR <LOR Vanadium (Dissolved) µg/L 1 1 <LOR <LOR <LOR

Vanadium (Total) µg/L 1 1 <LOR <LOR <LOR

Zinc (Dissolved) µg/L 1 1 <LOR <LOR <LOR

Zinc (Total) µg/L 1 1 <LOR <LOR <LOR

NOTE: <LOR means less than Limit of Reporting.

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WATER VOLUME

Water volume discharged off site is measured through licence discharge points (LDPs). Environmental Protection

Licence 365 limits the maximum volume of water to be discharged at LDP001 to 5000 Kilolitres per day (note:

condition L3.2 of EPL365 permits the volume limit to be exceeded if a rainfall event greater than 10 mm occurred in

the prior 24 hours).

A summary of daily total water volume discharged is provided below.


Data Sampled: 1/10/2017 - 31/10/2017 Address:


Discharge Point

Unit of Measure

Monitoring Frequency required by licence

No. of times measured during month

Min. value

Mean value

Median value

Max. Value


Exceedance (yes/no)

LDP001 kL Continuous 31 0 903 0 2568 5000 No

Table 5 Monthly Discharge Summary

Figure 4 Water Discharge Volume (kL)

A total of 28.0 ML of water was discharged from LDP001 during the reporting period. The maximum daily

discharge volume for LDP001 was 2568 kL. There were no exceedances of daily discharge volume limit during

October 2017.

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GROUND WATER QUALITY

A graphical summary of groundwater levels, pH and electrical conductivity from the groundwater monitoring bores

(BH01 - BH27C and MSGW01 – MSGW04C) for the monitoring period and year to date are shown in the following

figures.

Figure 5 Ground Water Depth

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Figure 6 Groundwater pH

Figure 7 Groundwater Electrical Conductivity

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AIR QUALITY MONITORING

The air quality monitoring results for the reporting period and year to date are summarised below. Depositional

dust (g/m2/mth) results (insoluble solids) for October 2017 are shown in Table 6.

Table 6 Depositional Dust Results


Data Sampled: 21/09/2017 - 20/10/2017

Address:


Nov-16 Dec-16 Jan-17 Feb-17 Mar-17 Apr-17 May-17 Jun-17 Jul-17 Aug-17 Sep-17 Oct-17

DG1 1.0 0.9 1.0 1.0 0.5 0.5 0.4 0.3 0.4 0.6 1.1

DG4 3.2 6.0 0.4 0.9 1.3 2.5 5.1 0.6 0.4 0.4 1.0

DG5 1.5 0.6 0.4 0.6 0.6 0.2 0.7 0.1 0.4 0.3 0.5 0.4

DG6 1.7 1.8 0.9 1.0 0.8 0.7 0.8 0.3 0.2 0.4 0.6 0.5

DG7 1.6 1.7 0.7 1.3 1.4 0.8 1.7 0.8 1 1.4 1.3 1.9

DG8 1.5 0.6 0.4 0.6 1.0 0.6 0.9 0.2 0.2 0.5 0.6 0.4

DG9 0.9 0.8 0.4 1.0 0.9 1.6 0.5 0.3 0.6 1.4 0.9

DG10 4.2 2.7 1.2 2.4 4.2 6.0 1.7 1.6 1 1.4 2.1 0.8

DG11 1.8 1.2 2.5 2.4 0.6 0.6 0.9 0.5 0.3 0.8 2.4 0.4

DG12 0.6 0.9 0.8 0.3 0.7 0.2 0.2 0.4 0.3 0.3

DG13 0.7 0.5 0.2 0.3 0.2 0.1 0.4 0.4 1.3 0.5 1.8 2.9

DG14 1.0 1.0 0.3 1.7 8.0 5.9 2.5 2.6 2.9 0.3 0.5 0.5

Delta 1 0.7 0.5 0.6 0.3 0.4 0.7 0.9 0.5 0.1 0.3 0.4 0.3

Delta 2 1 0.6 2.3 0.7 0.6 0.3 0.8 0.5 0.2 0.6 0.5 0.7

Delta 3 0.5 0.5 0.3 0.3 0.3 0.3 0.5 0.7 0.3 0.6 0.5 0.2

DG – Dust Gauge *Results excluded due to contamination / damage.

A graphical representation of depositional dust monitoring data is shown in Figure 8.

Figure 8 Monthly Dust Deposition Results

0.0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

8.0

9.0

Nov

-16

Dec

-16

Jan-

17

Feb

-17

Mar

-17

Apr

-17

May

-17

Jun-

17

Jul-1

7

Aug

-17

Sep

-17

Oct

-17

Inso

lub

le S

olid

s (g

/m2 /

mth

)

Monthly Dust Deposition

DG1 DG4 DG5 DG6 DG7 DG8 DG9 DG10

DG11 DG12 DG13 DG14 Delta 1 Delta 2 Delta 3

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Depositional dust monitoring data indicates that dust deposition results for October 2017 range from 0.2 g/m2/mth to

2.9 g/m2/mth. The rolling annual average for each of the dust gauges in October 2017 is shown in Table 7 and Figure

9. All rolling annual averages are below the 4 g/m2/month limit criteria.

Table 7 Rolling Annual Average Dust Deposition

Figure 9 Rolling Annual Average Dust Deposition

0.00

0.50

1.00

1.50

2.00

2.50

3.00

3.50

4.00

4.50

5.00

Nov

-16

Dec

-16

Jan-

17

Feb

-17

Mar

-17

Apr

-17

May

-17

Jun-

17

Jul-1

7

Aug

-17

Sep

-17

Oct

-17

Ro

llin

g A

vera

ge

(g/m

2 /m

th)

Monthly Dust Deposition

DG1 DG4 DG5

DG6 DG7 DG8

DG9 DG10 DG11

DG12 DG13 DG14

Delta 1 Delta 2 Delta 3

Annual Average Goal (4g/m2/mth)


Data Sampled: 21/09/2017 - 20/10/2017

Address: Data Obtained: 6/11/2017 EPL No. 365

Nov-16 Dec-16 Jan-17 Feb-17 Mar-17 Apr-17 May-17 Jun-17 Jul-17 Aug-17 Sep-17 Oct-17

DG1 1.14 1.03 1.03 0.94 0.74 0.77 0.86 0.64 0.60 0.60 0.64 0.70

DG4 1.14 1.25 1.45 1.78 1.67 1.61 1.67 1.71 2.04 2.15 2.10 1.98

DG5 0.48 0.47 0.52 0.50 0.47 0.46 0.48 0.47 0.52 0.52 0.52 0.53

DG6 0.72 0.72 0.74 0.81 0.77 0.75 0.78 0.81 0.85 0.81 0.81 0.81

DG7 0.93 0.96 0.91 0.97 0.96 1.04 1.07 1.08 1.18 1.25 1.23 1.30

DG8 0.53 0.55 0.63 0.62 0.58 0.58 0.63 0.63 0.69 0.63 0.63 0.63

DG9 0.51 0.55 0.53 0.47 0.49 0.50 0.57 0.63 0.76 0.75 0.82 0.85

DG10 1.85 1.94 2.25 2.39 2.34 2.35 2.58 2.64 2.40 2.51 2.59 2.44

DG11 0.80 0.86 0.98 0.95 0.99 1.13 1.13 1.13 1.17 1.19 1.28 1.20

DG12 0.31 0.33 0.34 0.39 0.44 0.44 0.47 0.44 0.43 0.47 0.49 0.47

DG13 0.36 0.38 0.40 0.42 0.36 0.35 0.35 0.32 0.34 0.48 0.59 0.78

DG14 0.87 0.89 0.93 0.97 0.93 1.04 1.68 1.99 1.93 2.28 2.29 2.27

Delta 1 0.46 0.45 0.38 0.41 0.41 0.41 0.41 0.43 0.47 0.48 0.48 0.48

Delta 2 0.53 0.48 0.53 0.53 0.69 0.70 0.73 0.71 0.74 0.73 0.71 0.73

Delta 3 0.46 0.41 0.45 0.42 0.41 0.41 0.35 0.34 0.35 0.42 0.43 0.42

Annual Average Limit (4g/m2/mth) 4 4 4 4 4 4 4 4 4 4 4 4

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The objective of installing and commissioning a Tapered Element Oscillating Microbalance (TEOM) Air Quality

Monitoring Station (AQMS) at the Cooranbong Services Site in June 2013 was to monitor continuous particulate

matter at EPL 365 Point 6 for the following parameters associated with the mining activities in accordance with

Condition M2.2 Air Monitoring Requirements of the Environment Protection Licence (EPL) Number 365:

Total suspended particulates (TSP) and

Particulate matter with an aerodynamic diameter less than 10 microns (PM10) concentration.

The 24-hr average PM10 concentrations were in compliance with the OEH and NEPM 24-hr criterion of 50 µg/m3

during the October 2017 monitoring period. The maximum recording for the monitoring period was 27.03µg/m3

which occurred on 10 October 2017. The rolling annual average PM10 concentration was in compliance with the

OEH and NEPM annual criterion of 30µg/m3. The rolling annual average recording is 16.2µg/m3.

The average TSP concentration was in compliance with the NSW Approved Methods annual average criterion of

90µg/m3 during the October 2017 monitoring period. The maximum recording was 31.78µg/m3 which occurred

on 25 October 2017. The rolling annual average TSP concentration was in compliance with the OEH and NEPM

annual criterion of 90µg/m3. The rolling annual average recording was 17.1µg/m3.

Figure 10 Cooranbong & Wyong PM10 24 hr concentrations and Cooranbong TSP 24hr concentration.

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COMPLAINTS

No community complaints were received in October 2017. A graphical summary of the number of complaints for the

reporting period and year to date is shown in Figure 11.

Figure 11 Complaints by Type

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WEATHER

A summary of rainfall and temperature data recorded at the onsite meteorological monitoring station during the

reporting period is shown in Table 8 below.

Table 8 Meteorological Monitoring Data

Data Published: 14/11/2017

Data Sampled: 1/10/17 - 31/10/17 Licensee: Mandalong


Month Total Rainfall ( mm) Minimum Temperature (oC) Maximum Temperature (oC)

Nov-16 113.60 8.61 41.04

Dec-16 58.20 10.37 40.04

Jan-17 55.60 12.45 43.86

Feb-17 72 9.09 41.23

Mar-17 256.4 10.53 33.75

Apr-17 49.40 4.70 27.90

May-17 31 -1.32 26.26

Jun-17 96.8 1.321 21.17

Jul-17 4.4 -1.90 25.50

Aug-17 6.4 0.07 29.67

Sep-17 10 -0.20 35.40

Oct-17 118.8 4.50 37.00

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APPENDIX 1 – COORANBONG SERVICES SITE - LOCATION OF ENVIRONMENTAL MONITORING

POINTS

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APPENDIX 2 – DELTA ENTRY SITE- LOCATION OF ENVIRONMENTAL MONITORING POINTS

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APPENDIX 3 – MANDALONG MINE - LOCATION OF ENVIRONMENTAL MONITORING POINTS

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