Washington Administrative Code
Title 173 - Ecology, Department of (See also Titles 197, 317, 372, and 508)
Chapter 173-58 - Sound level measurement procedures
Section 173-58-060 - Equipment variation allowances
Universal Citation: WA Admin Code 173-58-060
Current through Register Vol. 24-06, March 15, 2024
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. 79-04-033 (Order DE 78-19), § 173-58-060, filed 3/22/79.
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