AS ISO 1999-2003
Obsolescent
“Obsolescent” indicates that the Standard is not recommended for new equipment or as a current practice, but it is retained in order to provide for servicing of existing equipment or requirements.
Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users
English
01-01-2003
Provides a method for calculating the expected noise-induced permanent shift in the hearing threshold levels of adult populations due to various levels and duration of noise exposure. This Standard is identical with and reproduced from ISO 1999:1990.
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