New Westminster By-law 6520, s. 4 — Noise or sound measurements should, wherever possible, be made at a height of approximately one (1) metre and a distance of three (3) metres from any wall, buildings, or other reflecting structures with the microphone appropriately oriented
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Noise or sound measurements should, wherever possible, be made at a height of approximately one (1) metre and a distance of three (3) metres from any wall, buildings, or other reflecting structures with the microphone appropriately oriented.
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- 3
- 5 Precautions shall be taken to ensure that the values recorded correspond to the noise or sound being investigated and are not due to wind or extraneous sources
- 6 BYLAW 8082, 2019 When the wind velocity exceeds eight (8) km per hour, a wind screen shall be used. No test should be attempted when the wind velocity is above 40 km per hour
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