ANSI S12.9 Part 2-1992 Quantities and procedures for description and measurement of environmental sound - Part 2: Measurement of long-term, wide-area sound
This standard describes recommended procedures for measurement of long-term, time-avarage environmetal 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
ANSI S12.9 Part 2-1992 history
1992ANSI S12.9 Part 2-1992 Quantities and procedures for description and measurement of environmental sound - Part 2: Measurement of long-term, wide-area sound