Wambo Coal AEMR 2011-2012 - Peabody Energy

Wambo Coal AEMR 2011-2012 - Peabody Energy Wambo Coal AEMR 2011-2012 - Peabody Energy

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3 RESULTS 3.1 Attended Noise Monitoring – Quarter 3, 2011 3.1.1 Wambo Coal Mine Noise Noise levels generated by activity at Wambo are shown in Table 3.1 and Table 3.2, where comparison of measured L Aeq(15 minutes) and L A1(1 minute) levels for WCM is made with relevant noise goals. Table 3.1 L Aeq(15 minute) dB GENERATED BY WCM AGAINST NOISE CRITERIA - QUARTER 3, 2011 Location Date / Start Time Wind Speed (m/s) VTG 7 ( 0 C/100m) Criterion L Aeq(15 min) dB1 Winter Criterion L Aeq(15 min) dB1 Not winter Criterion Applies? 3 Wambo L Aeq(15 min) dB 4,5 Exceedance 6,8 N01 2 27/09/11 00:10 0.0 3.0 41 35 N IA NA N03 2 26/09/11 22:06 0.5 3.0 59 57 N

Table 3.2 L A1(1 minute) dB GENERATED BY WCM AGAINST NOISE CRITERIA - QUARTER 3, 2011 Location Date / Start Time Wind Speed (m/s) VTG 7 ( 0 C/100m) Criterion L A1(1 min) dB 1 Criterion Applies? 3 Wambo L A1(1 min) dB 4,5 Exceedance 6,8 N01 2 27/09/11 00:10 0.0 3.0 NA N - NA N03 2 26/09/11 22:06 0.5 3.0 NA N - NA N16 27/09/11 01:54 0.0 3.0 50 N

3 RESULTS<br />

3.1 Attended Noise Monitoring – Quarter 3, <strong>2011</strong><br />

3.1.1 <strong>Wambo</strong> <strong>Coal</strong> Mine Noise<br />

Noise levels generated by activity at <strong>Wambo</strong> are shown in Table 3.1 and Table 3.2, where<br />

comparison of measured L Aeq(15 minutes) and L A1(1 minute) levels for WCM is made with<br />

relevant noise goals.<br />

Table 3.1 L Aeq(15 minute) dB GENERATED BY WCM AGAINST NOISE CRITERIA - QUARTER 3, <strong>2011</strong><br />

Location Date / Start Time Wind<br />

Speed<br />

(m/s)<br />

VTG 7<br />

( 0 C/100m)<br />

Criterion<br />

L Aeq(15<br />

min) dB1<br />

Winter<br />

Criterion<br />

L Aeq(15<br />

min) dB1<br />

Not winter<br />

Criterion<br />

Applies? 3<br />

<strong>Wambo</strong><br />

L Aeq(15<br />

min) dB<br />

4,5<br />

Exceedance<br />

6,8<br />

N01 2 27/09/11 00:10 0.0 3.0 41 35 N IA NA<br />

N03 2 26/09/11 22:06 0.5 3.0 59 57 N

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