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Section 501 - Definitions.

UT Code § 34A-2-501 (2019) (N/A)
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(1) "Harmful industrial noise" means: (a) sound that results in acoustic trauma such as sudden instantaneous temporary noise or impulsive or impact noise exceeding 140 dB peak sound pressure levels; or (b) the sound emanating from equipment and machines during employment exceeding the following permissible sound levels, dBA slow response, and corresponding durations per day, in hours: Sound levelDuration 908 926 954 973 1002 1021.5 1051.0 1100.5 1150.25 or less

(a) sound that results in acoustic trauma such as sudden instantaneous temporary noise or impulsive or impact noise exceeding 140 dB peak sound pressure levels; or

(b) the sound emanating from equipment and machines during employment exceeding the following permissible sound levels, dBA slow response, and corresponding durations per day, in hours: Sound levelDuration 908 926 954 973 1002 1021.5 1051.0 1100.5 1150.25 or less

Sound levelDuration

908

926

954

973

1002

1021.5

1051.0

1100.5

1150.25 or less

(2) "Loss of hearing" means binaural hearing loss measured in decibels with frequencies of 500, 1,000, 2,000, and 3,000 cycles per second (Hertz). If the average decibel loss at 500, 1,000, 2,000, and 3,000 cycles per second (Hertz) is 25 decibels or less, usually no loss of hearing exists.

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Section 502 - Intensity tests.