APPENDIX I: Noise Monitoring Data - Xstrata Coal Mangoola

MANGOOLA COAL QUARTER 3, 2012 MONITORING DATA
Location Measurement Date Start Measured
Time period Levels (XMC)
LAeq dB
Limits Weather Observations (Potential) noncompliance/breach
Celsius per 100
m
Mangoola Coal only LAeq of 31 dB. Continuum
surge generated the Mangoola Coal only LA1,1min of
35 dB.
Road traffic noise and Mangoola Coal combined to
generate the measured LA1. Mangoola Coal
generated the other measured levels.
Frogs, road traffic tyre noise, other mining
continuum and a train horn were also noted.
A2 11 Jul 2012 2324 15 minutes 33 39
Cloud cover:
8/8, Wind
speed at 10 m:
1.2 m/s, VTG:
3 degrees
Celsius per 100
m
A continuum from Mangoola Coal was audible
throughout the measurement. Track noise was also
audible. These sources resulted in a Mangoola Coal
only LAeq of 33 dB. Track noise generated the
Mangoola Coal only LA1,1min of 40 dB.
Mangoola Coal generated the measured levels.
Cows, distant road traffic tyre noise and other mining
continuum were also noted.
Nil
A3 11 Jul 2012 2251 15 minutes 35 39
Cloud cover:
4/8, Wind
speed at 10 m:
1.1 m/s, VTG:
3 degrees
Celsius per 100
m
A continuum from Mangoola Coal was audible
throughout the measurement. Track noise, impact
noises and engine surges were also audible. These
sources resulted in a Mangoola Coal only LAeq of 35
dB. Engine surge generated the Mangoola Coal only
LA1,1min of 42 dB.
Mangoola Coal generated the measured levels.
Road traffic tyre noise, insects, bats and dogs were
also noted.
Nil
A4 05 Jul 2012 2229 15 minutes 25 37 Cloud cover:
3/8, Wind
Continuum from Mangoola Coal was audible
throughout the measurement. Track noise, impact
Nil
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