TARRAWONGA COAL MINE - MONTHLY MONITORING SUMMARY

Site Information

EPL No: 12365

EPA Website Link: http://www.epa.nsw.gov.au/prpoeoapp/ViewPOEOLicence.aspx?DOCID=55113&SYSUID=1&LICID=12365

Licensee: Tarrawonga Coal Pty Ltd

Licensee Address: Tarrawonga Coal Mine, 469 Goonbri Road, BOGGABRI NSW 2382

EPL Monitoring Points: See Figure 1 below

Sampling Period: January 2022

Obtained Date: 7/02/2022

Publication Date: 14/02/2022

Table 1 - No Pollutant Limits Apply

EPL

Units of

Monitoring

No. of

Date

Date of Max.

Min

Mean

Median

Max or

Comments

Pollutant

Samples for

Value

Only

ID

Measure

Frequency

Sampled

Value

Value

Value

the Month

Obtained

Value

TSS

mg/L

Upon

0

-

-

-

-

-

-

-

discharge

Conductivity

µS/cm

0

-

-

-

-

-

-

-

5

Oil & Grease

mg/L

0

-

-

-

-

-

-

-

pH

pH

0

-

-

-

-

-

-

-

TSS

mg/L

Upon

0

-

-

-

-

-

-

-

discharge

Conductivity

µS/cm

0

-

-

-

-

-

-

-

6

Oil & Grease

mg/L

0

-

-

-

-

-

-

-

pH

pH

0

-

-

-

-

-

-

-

1

Table 2 - Pollutant Limits Apply

No. of

Date

Date of

Max

Exceed

EPL

Units of

Monitoring

Min

or

100%ile

-ance

Pollutant

Samples for

Max. Value

Comment/s

ID

Measure

Frequency

Sampled

Value

Only

Limit

(Yes/

the Month

Obtained

Value

No)

TSS

mg/L

Upon

1

19/2

19/2

-

156

50

No

TSS Limit

discharge

not

Conductivity

µS/cm

1

19/2

19/2

-

214

NA

NA

applicable

1

due to

Oil & Grease

mg/L

1

19/2

19/2

-

<5

10

No

discharge

>38.4mm

pH

pH

1

19/2

19/2

-

6.87

6.5-8.5

No

over 5 days.

TSS

mg/L

Upon

2

19/2, 25/2

19/2

30

110

50

No

TSS Limit

discharge

not

Conductivity

µS/cm

2

19/2, 25/2

25/2

360

370

NA

NA

applicable

2

due to

Oil & Grease

mg/L

2

19/2, 25/2

<5

<5

10

No

discharge

>38.4mm

pH

pH

2

19/2, 25/2

25/2

7.04

7.96

6.5-8.5

No

over 5 days.

TSS

mg/L

Upon

0

-

-

-

-

-

-

-

discharge

Conductivity

µS/cm

0

-

-

-

-

-

-

-

3

Oil & Grease

mg/L

0

-

-

-

-

-

-

-

pH

pH

0

-

-

-

-

-

-

-

TSS

mg/L

Upon

0

-

-

-

-

-

-

-

discharge

24

Conductivity

µS/cm

0

-

-

-

-

-

-

-

Oil & Grease

mg/L

0

-

-

-

-

-

-

-

2

No. of

Date

Date of

Max

Exceed

EPL

Units of

Monitoring

Min

or

100%ile

-ance

Pollutant

Samples for

Max. Value

Comment/s

ID

Measure

Frequency

Sampled

Value

Only

Limit

(Yes/

the Month

Obtained

Value

No)

pH

pH

0

-

-

-

-

-

-

-

TSS

mg/L

Upon

0

-

-

-

-

-

-

-

discharge

Conductivity

µS/cm

0

-

-

-

-

-

-

-

26

Oil & Grease

mg/L

0

-

-

-

-

-

-

-

pH

pH

0

-

-

-

-

-

-

-

TSS

mg/L

Upon

0

-

-

-

-

-

-

-

discharge

Conductivity

µS/cm

0

-

-

-

-

-

-

-

27

Oil & Grease

mg/L

0

-

-

-

-

-

-

-

pH

pH

0

-

-

-

-

-

-

-

3

Table 3 - Monitoring (Quarterly & 6 Monthly - No Limits apply)

EPL

Units of

Monitoring

No. of Samples

Date

Date of

Min

Mean

Median

Max or

Pollutant

Max. Value

Only

ID

Measure

Frequency

for the Period

Sampled

Value

Value

Value

Obtained

Value

Conductivity

µS/cm

0

-

-

-

-

-

-

Lead

mg/L

0

-

-

-

-

-

-

6 monthly -

9

pH

pH

(Mar- Sep)

0

-

-

-

-

-

-

Standing Water

metres

0

-

-

-

-

-

-

Level

Conductivity

µS/cm

0

-

-

-

-

-

-

Lead

mg/L

0

-

-

-

-

-

-

6 monthly -

10

pH

pH

(Mar- Sep)

0

-

-

-

-

-

-

Standing Water

metres

0

-

-

-

-

-

-

Level

Conductivity

µS/cm

0

-

-

-

-

-

-

Lead

mg/L

0

-

-

-

-

-

-

6 monthly -

12

pH

pH

(Mar- Sep)

0

-

-

-

-

-

-

Standing Water

metres

0

-

-

-

-

-

-

Level

Conductivity

µS/cm

0

-

-

-

-

-

-

Oil & Grease

mg/L

Quarterly -

0

-

-

-

-

-

-

13

(Feb, May, Aug,

pH

pH

0

-

-

-

-

-

-

Nov)

TSS

mg/L

0

-

-

-

-

-

-

4

Table 4 - Quarterly Attended Noise Monitoring

(Noise Limits Apply -35dB LAeq(15min) -Day, Evening and Night;45dB LA1(1min) -Night )

No Noise Monitoring data reported for January

5

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Whitehaven Coal Limited published this content on 09 January 2023 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 09 January 2023 00:07:08 UTC.