Whitehaven Coal : MCC - EPL Monitoring Summary August 2021
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MAULES CREEK COAL MINE - MONTHLY MONITORING SUMMARY
Site Information
EPL No: 20221
EPA Website Link: Hyperlink to Maules Creek Coal, Environment Protection Licence
Licensee: Maules Creek Coal Mine Pty Ltd
Licensee Address: Maules Creek Coal Mine, Therribri Road, BOGGABRI NSW 2382
EPL Monitoring Points: See Figure 1 below
Sampling Period: August 2021
Obtained Date: 22 September 2021
Publication Date: 22 September 2021
Context: This Monthly Monitoring Summary aligns with the Environment Protection Licence (EPL) No. 20221 - Maules Creek Coal Mine issued 7th March 2018 by the NSW Environment Protection Authority (EPA).
Monthly Monitoring Summary
Table 1 - Wet Weather Discharge - Surface Water Monitoring
ID
Laboratory
Median
Max /
Parameter
Units
Frequency Samples
Date
Results
Min
Mean
Only
EPL (Site)
Value
Received
Value
TSS
mg/L
Special
3
Conductivity
µs/cm
Frequency
(SD3)
Oil & Grease
mg/L
Discharge
pH
pH
only
TSS
mg/L
Special
7
Conductivity
µs/cm
Frequency
(SD7)
Oil & Grease
mg/L
Discharge
pH
pH
only
No Discharge this month
TSS
mg/L
Special
9
Conductivity
µs/cm
Frequency
(SD9)
Oil & Grease
mg/L
Discharge
pH
pH
only
TSS
mg/L
Special
36
Conductivity
µs/cm
Frequency
(SD12)
Oil & Grease
mg/L
Discharge
pH
pH
only
Table 2 - Surface Water Monitoring - Mine Void
ID
Parameter
Units
Frequency
Samples
Date
Laboratory Results
Min
Mean
Max /
EPL (Site)
Received
Only Value
TSS
mg/L
0
12
Conductivity
µs/cm
Every 2
0
Next Sample
(Mine Void)
Oil & Grease
mg/L
months
0
September 2021
pH
pH
0
Table 3 - Groundwater Quality Monitoring
ID
Laboratory
Parameters
Units
Frequency
Samples
Date
Results
Min
Mean
Max / Only Value
EPL (Bore)
Received
15
pH
pH
Conductivity
µs/cm
Quarterly
0
Next sample in September 2021
(BCM01)
TDS
mg/L
16
pH
pH
Conductivity
µs/cm
Quarterly
0
Next sample in September 2021
(BCM03)
TDS
mg/L
17
pH
pH
Conductivity
µs/cm
Quarterly
0
Next sample in September 2021
(REG10A)
TDS
mg/L
24
pH
pH
Conductivity
µs/cm
Quarterly
0
Next sample in September 2021
(RB05A)
TDS
mg/L
Table 4 - Noise Monitoring (Attended - Measured)
Limit LAeq
Limit
MCCP
LA1 (1 min)
15min (dB)
MCCP
Start
Wind Speed
LAeq 15min
(dB)
Exceedance
MCC ID
Date
L A1(1min)
Rain (mm)
Time
(m/s)
dB
(Yes / No)
Operations
dB
Operations
Criteria
Criteria
NM1
03/08/2021
22:30
0.1
27
35
30
45
0
Nil
NM2
03/08/2021
23:30
2.1
IA
39
IA
45
0
Nil
NM3
03/08/2021
23:45
2.8
IA
35
IA
45
0
Nil
NM4
03/08/2021
23:00
0.2
IA
35
IA
45
0
Nil
NM5
03/08/2021
22:00
0.2
25
35
30
45
0
Nil
NM6
03/08/2021
23:56
2.4
IA
35
IA
45
0
Nil
MCC ID = Locations as per the EPL No.20221.
ND = No data due to high prevailing winds during the attended noise monitoring event.
Italicised text indicates wind speed exceeds the 3.0m/s maximum for noise monitoring.
NM = Not Measurable. If site noise is noted as NM, <20 dB or <30 dB some noise was audible but could not be quantified.
IA = Site noise was inaudible at the monitoring location.
N/A in exceedance column means criterion was not applicable due to atmospheric conditions outside those specified in the project approval.
Table 5 - Noise Monitoring (Attended - Low Frequency Assessment)
None of the measurements satisfied the conditions for further assessment when assessed for the applicability of low frequency modification factors in accordance with the EPA's Noise Policy for Industry. Therefore, no further assessment of low frequency noise was required to be undertaken.
Table 6 - Blast Monitoring (Blasts - Limits Apply)
Location
Parameter
Units
Frequency
Number
Average
Max
100% Limit
Exceedance
(Yes / No)
Operations
Overpressure
Db (Lin Peak)
All
8
95.72
111.0
120
No
Blasts
Vibration
mm/s
8
0.32
2.78
10
No
Note: As of March 2018, in accordance with the requirements of the approved variation of EPL 20221; M7.1 blast monitoring results are for four blast monitoring points 31 (BM1), 32 (BM2), 33 (BM3) and 34 (BM4).
Table 7 - Dust Monitoring (Limits Apply)
ID
Sample
Rolling
NEPM
Exceedance
Unit
Parameter
Annual
Annual
EPL (Site)
period
(Yes / No)
Average
Criteria
18
Continuous
µg/m3
PM10
7.9
30
No
(TEOM1)
month
19
6 days
µg/m3
PM10
11.9
30
No
(HVAS)
Rolling
ID
Sample
Particulates
Annual
Exceedance
Deposited
Average
Criteria
EPL (Site)
period
(Yes / No)
Matter
Insoluble
Solids
20
Monthly
g/m2 month
2.4
4
No
(DDG1/MC1)
21
Monthly
g/m2 month
2.2
4
No
(DDG2/MC2)
22
Monthly
g/m2 month
1.8
4
No
(DDG3/MC3)
23
Monthly
g/m2 month
1.3
4
No
(DDG4/MC4)
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Whitehaven Coal Limited published this content on 22 September 2021 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 22 September 2021 07:11:02 UTC.