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ANSI ASA S1.11 Part 1 Electroacoustics - Octave-band and fractional-octave-band filters - Part 1 Specifications (IEC 612601)

RegSenseEnforcement and Audits - OSHAEnforcement and Audits - OSHAAcoustical Society of America (ASA)Safety & HealthHearing Conservation and NoiseGeneral Industry SafetyIndustrial HygieneConsensus StandardsIndustry Consensus StandardEnglishFocus AreaUSA

This standard covers octave, half-octave, and third-octave band filter sets. OSHA references ANSI S1.11 in its 1910.95 standard on occupational noise exposure by requiring that rooms used for audiometric testing shall not have background sound pressure levels exceeding those in Table D-1.

Current edition

  • "ANSI/ASA S1.11-2014/Part 1 / IEC 61260:1-2014Electroacoustics - Octave-Band and Fractional-Octave-Band Filters - Part 1: Specifications (Harmonized)"

Incorporation by reference

The following editions have been incorporated by reference (IBR) into the Code of Federal Regulations (CFR):

IBR approved for Overview of requirements IBR approved edition
29 CFR 1910.95 Appendix D Rooms used for audiometric testing must not have background sound pressure levels exceeding those in Table D-1 when measured by equipment conforming at least to the Type 2 requirements of American National Standard Specification for Sound Level Meters, S1.4-1971 (R1976), and to the Class II requirements of American National Standard Specification for Octave, Half-Octave, and Third-Octave Band Filter Sets, S1.11-1971 (R1976). ANSI S1.11-71 (R 76) Specification for Octave, Half-Octave and Third-Octave Band Filter Sets.

How to purchase

Standards are available for purchase from the American National Standards Institute (ANSI), see webstore.ansi.org, and from the Acoustical Society of America (ASA), see acousticalsociety.org.

['Enforcement and Audits - OSHA', 'Industrial Hygiene']
['Hearing Conservation and Noise', 'Enforcement and Audits - OSHA']
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