16
Controls
CHECKING NOISE LEVELS
This chart, gathered from Federal, State,
and local agencies, shows standards for
acceptable noise levels.
Permissible noise exposures. Extracted
from U.S. Department of Labor Noise Regu-
lations.
Noise is inevitable in almost any environ-
ment. Depending on the level and dura-
tion, noise can be a minor irritant, a
definite disturbance, or even a threat to
your hearing.
Sound Level (dB)
(A-weighting,
SLOW response)
Maximum
Duration per Day
(hours)
90 8
92 6
95 4
97 3
100 2
102 1
1
/
2
105 1
110
1
/
2
115
1
/
2
or less
33-2050.fm Page 16 Monday, April 17, 2000 2:04 PM
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