Whitehaven Coal : Tarrawonga Daily Monitoring Report 09012023

Tarrawonga Site Monitoring

These monitors are used as operation management tools (no criteria apply)

• Air Quality (PM10)=

Average reading for 24hr period 00:00 - 23:59 hrs on 09 January 2023

22.1 µg/m3

Operational Response:

No Action Required - Continue Monitoring

1. PM10: particle matter 10 micron or less in size.

(C): recalculation of the 24hr average as some data unavailable due to rain, power or communications.

7

• Noise (LF)23

Average reading for the period of 09 January 2023

Day: 7am-6pm	Evening 6pm-10pm	Nights 10pm-7am
41.1*dB(A)	27.2dB(A)	28.1dB(A)

Operational Response:

Actioned According to Management Plans - Wind

Speeds up to 5.2 m/s

2. LF is estimated equivalent mining noise (LF = low frequency for band 20-630 HZ); Monitoring results may include noise from other sources.

*Elevated levels affected by non- related mining event.

N/A: Data Not available due to servicing, power outage or communication issue.

(C): recalculation of the average as some data unavailable due to rain, power or communications.

• Weather

Operational Response:

No Action Required- Continue Monitoring

Weather condition and forecast is available at:

http://www.whitehavencoal.com.au/weather/

For further information contact:

02 6741 5009 [e-mail]