Hong Kong Regulations
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NOISE CONTROL (AIR COMPRESSORS) REGULATIONS - SCHEDULE 1
NOISE EMISSION STANDARD
[regulations 5 & 8]
Air Flow Maximum Permissible Sound
Power Level in dB(A) Below or equal to 10 cubic metres per minute 100 Over 10
but below or equal to 30 cubic metres per minute 102 Above 30 cubic metres per
minute 104 (Enacted 1991)
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