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173-58-050  <<  173-58-060 >>   173-58-070

PDFWAC 173-58-060

Equipment variation allowances.

Due to unavoidable variations in measurement sites and test instruments, the following allowances shall be made for the respective sound level meters:
± 1 dBA
for Type 1 sound level meters
± 2 dBA
for Type 2 sound level meters
This tolerance value shall be applied, after all necessary calculations have been made, to the final reported sound level for the measured sound source.
[Statutory Authority: Chapter 70.107 RCW. WSR 79-04-033 (Order DE 78-19), § 173-58-060, filed 3/22/79.]
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