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Old 03-23-2007, 04:29 PM
HSVREDSLED HSVREDSLED is offline
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125db??????

Wear some earplugs, or make it a quick lap...(sub 30 seconds)

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Decibel Exposure Time Guidelines

Accepted standards for recommended permissible exposure time for continuous time weighted average noise, according to NIOSH and CDC, 2002. For every 3 dBs over 85dB, the permissible exposure time before possible damage can occur is cut in half.

Continuous dB
Permissible Exposure Time

85 db
8 hours

88 dB
4 hours

91 db
2 hours

94 db
1 hour

97 db
30 minutes

100 db
15 minutes

103 db
7.5 minutes

106 dB
3.75 min (< 4min)

109 dB
1.875 min (< 2min)

112 dB
.9375 min (~1 min)

115 dB
.46875 min (~30 sec)

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