Cody carrier online1/30/2024 The 85 dBA ACGIH TLV and Department of Defense Occupational exposure limit for 8-h noise exposures was exceeded by 68% of the population. The 80 dBA American Conference of Governmental Industrial Hygienists (ACGIH) threshold limit value (TLV) for 24-h noise exposure was exceeded by 93% of the study volunteers. Mean 24-h equivalent continuous sound levels L eq(24-h) and on-duty time weighted averages (TWA (on-duty)) ranged from 71 to 127 decibels A weighted (dBA).
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