Audio source from drilling based on the results of the noise level at the base drilling L53G-N3 during 29 March - 1 April 2013 found that the volume average of 24 hours (Leq 24 hrs), the value in the range. 57.4 to 58.5 dB (A) and maximum sound level (Lmax) is in the range of 67.6 to 95.7 dB (A).
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