Historical
ANSI S12.9-Part 5-1998 (R2003)
Quantities and Procedures for Description and Measurement of Environmental Sound - Part 5: Sound Descriptors for Determination of Compatible Land Use
This Standard provides guidelines for assessing the compatibility of various human uses of land with the actual or projected outdoor noise environment at a site. The total noise environment if characterized by the yearly average total day-night adjusted or non-adjusted sound exposure or the yearly average adjusted or non-adjusted day-night average sound level. This standard is based on the long-term annoyance response of communities as measured by the percent of a community that is highly annoyed.
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Acoustical Society of America [asa]
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