Model 3710 Plasma Control Console
Operator’s
Manual
_____________________________________________________________________________________________________________________
Issued: 01/02
Page
12
Table 1-3
Tolerable Noise Limits of Various Exposure Times
Exposure Duration (Per Day)
Sound Level (dBA)
Hours
24 80
16 82
8 85
4 88
2 91
1 94
Minutes
30 97
15 100
7.5 103
3.75 106
1.88 109
0.94 112
Seconds
28.12 115
14.06 118
7.03 121
3.52 124
1.76 127
0.88 130
0.44 133
0.22 136
0.11 139
1.5.3.3 Hearing
Protection
If noise at your site exceeds the limits established by
OSHA in
paragraph 1910.95
, entitled
"Occupational Noise Exposure"
of the
Occupational Safety and Health Standards
, you should provide ear
and/or other protection to everyone near thermal spray operations to bring
the exposure within OSHA permissible, tolerable noise levels. Limit
workers' exposure to noise according to federal standards prescribed under
the
Occupational Safety and Health Act.
Protect operators, nearby workers, and transient passers-by from thermal
spray noise: at the source, during its transmission, or at the receiver.
Managing any of these can solve the noise problem. Each situation
