Code of Federal Regulations · Section

§ 201.21 — Quantities Measured

40 C.F.R. § 201.21

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The quantities to be measured under the test conditions described below, are the A-weighted sound levels for “fast” or “slow” meter response as defined in the American National Standard S1.4-1971.

40 C.F.R. § 201.20 40 C.F.R. § 201.22

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