Whitehaven Coal : Maules Creek Site Monitoring 20240625

Maules Creek Mine

Off Therribri Road

Boggabri, NSW 2382

Maules Creek Site Monitoring

• Air Quality (PM10)¹

Average reading for 24hr period 24 June 2024 06:00 to 25 June 2024 06:00

TEOM 01

4.30 (µg/m³)

TEOM 03

5.86 (µg/m³)

Operational Response:

Continue to monitor dust levels and implement operational changes if required

• PM10: particle matter 10 micron or less in size

• Noise (LF)²

Average reading for 24hr period 24 June 2024 06:00 to 25 June 2024 06:00

Day: 7am-6pm

22 dB(A)

Evening 6pm-10pm

20 dB(A)

Nights 10pm-7am

18 dB(A)

Operational Response:

Continue to monitor noise impacts and implement operational changes if required

• LF is estimated equivalent mining noise (LF = low frequency for band 20-630 HZ

• The results are filtered to exclude the influence of excessive wind speed (> 3m/s) and rainfall,
• Monitoring results may include noise from other sources
• Weather

Weather Predictions for 25 June 2024

Patches of frost and the chance of fog in the S early this morning. Slight chance of a shower this morning. Sunny afternoon. Winds NE 15 to 25 km/h tending N in the middle of the day then becoming light in the late afternoon. Daytime maximum temperatures between 17 and 22.

Operational Response:

Continue to monitor weather conditions and implement operational changes if required

For further information contact: 1800maules (1800 628 537)