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Q-2, r. 7 - Regulation respecting pits and quarries
Schedule
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SCHEDULE E
(ss. 1 and 13)
OCTAVE BAND ANALYSIS — METHOD
The value retained for each octave shall be the minimum value during a period of 30 seconds, at the evaluation point. If the pit or quarry produces a noise during a period that lasts less than 30 seconds, the measurement shall be taken during the emission period.
Octave band analysis shall be made in linear dB using the slow response on the sound level meter.
Every octave band analysis shall be made using a sound level meter and octave band filters which comply with the standards referred to in Schedule D.
