APPENDIX I: Noise Monitoring Data - Xstrata Coal Mangoola

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Atmospheric condition data measured during monitoring at each location are shown in Table 4.7. Table 4. 8 MEASURED ATMOSPHERIC CONDITIONS Location Date And Time Temperature degrees C Wind Speed m/sec Wind Direction Cloud Cover (1/8s) A1 – Castlerock Rd 12/04/2012 07:11 16 0.0 - 3 A2 – Denman Rd 12/04/2012 10:23 23 1.1 160 6 A3 – Bells Lane 12/04/2012 09:55 25 0.8 160 7 A4 – Yarraman Rd 12/04/2012 08:12 18 0.1 340 5 A5 – Roxburgh Rd 12/04/2012 09:12 21 0.0 - 3 A1 – Castlerock Rd 02/04/2012 20:01 20 0.1 10 0 A2 – Denman Rd 02/04/2012 21:24 21 0.0 - 0 A3 – Bells Lane 02/04/2012 20:54 18 0.1 220 0 A4 – Yarraman Rd 02/04/2012 19:35 20 0.0 - 0 A5 – Roxburgh Rd 02/04/2012 20:26 20 0.3 0 0 A1 – Castlerock Rd 03/04/2012 23:29 18 0.0 - 0 A2 – Denman Rd 04/04/2012 02:56 16 0.0 - 0 A3 – Bells Lane 04/04/2012 01:54 14 0.5 20 0 A4 – Yarraman Rd 03/04/2012 22:25 17 0.0 - 0 A5 – Roxburgh Rd 04/04/2012 01:28 16 0.0 - 0 Notes: 1. Wind speed and direction measured at 1.8 metres. 18 12158_R01.doc Page 18
5 DISCUSSION 5.1 Noted Noise Sources Table 4.1 to Table 4.4 present data gathered during attended monitoring. These noise levels are the result of many sounds reaching the sound level meter microphone during monitoring. Received levels from various noise sources were noted during attended monitoring and particular attention was paid to the extent of Mangoola Coal’s contribution, if any, to measured levels. At each receptor location, Mangoola Coal’s L Aeq(15 minute) (in the absence of any other noise) was, where possible, measured directly, or, determined by frequency analysis. From these observations summaries have been derived for each location. The following report sections provide these summaries. Statistical 1/3 octave band analysis of environmental noise was undertaken, and the charts following in this section display the frequency ranges for various noise sources at each location for L A1, L A10 , L A90 , and L Aeq . These figures also provide, graphically, statistical information for these noise levels. An example is provided as Figure 2 where it can be seen that frogs and insects are generating noise at frequencies above 1000 Hz; mining noise is at frequencies less than 1000 Hz (this is typical). Adding levels at frequencies that relate to mining only allows separate statistical results to be calculated. This analysis cannot always be performed if there are significant levels of other noise at the same frequencies as mining; this can be dogs, cows, or, most commonly, road traffic. It should be noted that the method of summing statistical values up to a cut-off frequency can overstate the L A1 result by a small margin but is entirely accurate for L Aeq . 19 12158_R01.doc Page 19
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APPENDIX I: Noise Monitoring Data
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Mangoola Coal Environmental Noise M
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Table of Contents 1 INTRODUCTION...
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1 INTRODUCTION 1.1 Background Globa
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1.3 Terminology Some definitions of
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Mangoola Coal land acquisition crit
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4 RESULTS 4.1 Attended Noise Monito
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Table 4.3 compares measured levels
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Atmospheric condition data measured
Page 19 and 20: Environmental Noise Levels 20 March
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Page 35 and 36: 6 SUMMARY 6.1 Summary Global Acoust
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Page 39 and 40: Cumulative Noise Criteria Condition
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Page 51 and 52: Date and Time Wind Speed m/sec Wind
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Table 4.7 MEASURED L Ceq,15 minute
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5 DISCUSSION 5.1 Noted Noise Source
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5.1.1 A1, 4 July 2012, Daytime Envi
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5.1.7 A2, 11 July 2012, Evening Env
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5.1.9 A4, 11 July 2012, Evening Env
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5.1.11 A1, 5 July 2012, Night Envir
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5.1.13 A3, 11 July 2012, Night Envi
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5.1.15 A5, 11 July 2012, Night Envi
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A P P E N D I X A . D E V E L O P M
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Land Acquisition Criteria A.3 12324
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Additional Noise Mitigation Conditi
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A P P E N D I X C . M E T E O R O L
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Date and Time Wind Speed m/sec Wind
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MANGOOLA COAL QUARTER 3, 2012 MONIT
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Mangoola Coal Environmental Noise M
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Table of Contents 1 INTRODUCTION ..
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1 INTRODUCTION 1.1 Background Globa
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1.3 Terminology Some definitions of
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Mangoola Coal land acquisition crit
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monitoring location. However, if si
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4.3 Measured Atmospheric conditions
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Environmental Noise Levels 20 March
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5.1.2 A2, 26 October 2012, Daytime
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5.1.4 A4, 26 October 2012, Daytime
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5.1.6 A1, 16 October 2012, Evening
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5.1.12 A2, 16 October 2012, Night E
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5.1.14 A4, 15 October 2012, Night E
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6 SUMMARY Global Acoustics was enga
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NSW Department of Planning Project
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A P P E N D I X C . M E T E O R O L
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APPENDIX I: Noise Monitoring Data - Xstrata Coal Mangoola

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