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Noise and Hearing Loss Prevention - Rules & Requirements

L&I rules

Guidelines and standards from others

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"Links" to other information sources are provided as a courtesy, but we cannot vouch for or take responsibility for information contained beyond files administered by the Washington State Department of Labor and Industries. Links from this page do not represent or imply the endorsement of commercial products by the State of Washington, Labor and Industries, or by departmental staff. For more information, read L&I's Intended Usage policy.

  • ANSI (
    • S1.25-1991 (Noise Dosimeters).
    • S1.4-1984 (Sound Level Meters).
    • S3.6-1996 (Audiometers).
    • S3.1-1999 (Audiometric Test Rooms).
  • EPA: Product Noise Labeling (, 40 CFR 211.

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