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
speed at 10 m:
0.6 m/s, VTG:
3 degrees
Celsius per 100
m
also noted. These sources resulted in a Mangoola
Coal only LAeq of 33 dB.
Road traffic noise and dogs were responsible for the
measured LA1. Mangoola Coal continuum and road
traffic engine noise generated the LA10 and LAeq.
Mangoola Coal continuum was responsible for the
measured LA90.
Dogs and insects were also noted.
A4 11 Jul 2012 2117 15 minutes 28 39
Cloud cover:
2/8, Wind
speed at 10 m:
0.5 m/s, VTG:
3 degrees
Celsius per 100
m
Continuum was audible from Mangoola Coal
throughout the measurement. Impact noises,
transmission noise and dozer tracks were also noted.
These sources generated the Mangoola Coal only
LAeq of 28 dB.
Mangoola Coal generated the measured levels.
Frogs and dogs were also noted.
Nil
A5 11 Jul 2012 2007 15 minutes 28 32
Cloud cover:
8/8, Wind
speed at 10 m:
0.8 m/s, VTG:
4.1 degrees
Celsius per 100
m
Continuum was audible from Mangoola Coal
throughout the measurement, which generated the
Mangoola Coal only LAeq of 28 dB.
Mangoola Coal generated the measured levels.
Road traffic tyre noise, other mining continuum,
cows and birds were also noted.
Nil
A1 05 Jul 2012 2334 15 minutes 31 39
Cloud cover:
6/8, Wind
speed at 10 m:
0.3 m/s, VTG:
3 degrees
A continuum from Mangoola Coal was audible
throughout the measurement. Track noise,
transmission whine, CHPP continuum, a two-toned
alarm, rear dump truck engine and exhaust noise and
a horn were also noted. These sources resulted in a
Nil
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