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Forward Landfill LFG Acoustical Analysis Page 12 <br /> May 18, 2011 <br /> tAPPENDIX B—Keller Canyon Noise Emissions Measurement Summary <br /> 100712 007 <br /> dB 07/12/2010 09:40:28 AM-09:41:58 AM <br /> 90 <br /> 80 I <br /> 70- <br /> 60- <br /> 50- <br /> 40- <br /> 0 5040 -- -- - - - -- i - -- <br /> 30 -_ _- - - - <br /> 20 <br /> 12.50 31.50 63 125 250 500 1000 2000 4000 8000 16000 A C Hz <br /> LZeq -LZF10 -LZF50 LZF90 <br /> Cursor:(A) Leq=74.4 dB LF10=75.9 dB LF50=74.1 dB LF90=72.7 dB <br /> 100712 007 <br /> Based on LAF,10ms Classwidth:0.2 dB 07/12/2010 09:40:28 AM-09:41:58 AM <br /> 100 L1 = 77.9 d <br /> L5 = 76.5 d <br /> L10 = 75.9 d <br /> 90 L50 = 74.1 d <br /> L90 = 72.7 d <br /> L95 = 72.3 d <br /> 80 L99 = 71.6 d <br /> 70- <br /> 60- <br /> 50- <br /> 40- <br /> 0 60 5040 - - -- -- - - <br /> 30 - <br /> 20- <br /> 10- <br /> 0- <br /> ii <br /> 010071 72 73 74 75 76 77 78 79 dB <br /> LevelCumulative <br /> Cursor:[74.2;74.4[dB level:7.2°/ Cumulative:48.0% <br /> Figure 7 - Keller Canyon 100 ft from Roll-Up Door <br />