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ANSI/ASA S12.9 PART 2

1992 Edition, August 13, 1992

Complete Document

American National Standard Quantities and Procedures for Description and Measurement of Environmental Sound Part 2: Measurement of Long-Term, Wide-Area Sound

Includes all amendments and changes through Reaffirmation Notice , June 29, 2018


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Product Details:

  • Revision: 1992 Edition, August 13, 1992
  • Published Date: June 29, 2018
  • Status: Active, Most Current
  • Document Language: English
  • Published By: Acoustical Society of America (ASA)
  • Page Count: 30
  • ANSI Approved: Yes
  • DoD Adopted: No

Description / Abstract:

This standard describes recommended procedures fomeasuent of long-term, time-average environmental sound outdoors at one or more locations in a community for environmental assessment or planning for compatible land uses and for other purposes such as noise prediction validation and regulations. Sound may be produced by one or more separate, distributed sound sources such as a highway, factory, orairport, or by all contributing sound sources such as a highway, factory, or airport, or by all contributing sound sources. For spatial or temporal samples of environmental sound in a community, requirements are given for the number of sound-measrement locations and the duration of the sound-sampling intervals needed to obtain average values for long-term environmental sound levels that are within stated accuracy limits for Class A, Class B or Class C mearements.

PURPOSE

The purpose of this standard is to provide for a commonality for measurement of outdoor environmental sound as it may effect people in and around dwellings