Sound Level Meter
Standards
OSHA - 29 CFR 1910.95—Occupational Noise Exposure
This standard states: The employer shall administer a continuing,
effective hearing conservation program, as described in paragraphs (c) through (o) of this
section, whenever employee noise exposures equal or exceed an 8-hour time-weighted average
sound level (TWA) of 85 decibels measured on the A scale or equivalently a dose of fifty
percent.
|
Noise
Exposure Limits
|
|
Duration
per day
|
Sound
level, slow response
|
|
8
hours
6 hours
4 hours
|
90
db(A)
92 db(A)
95 db(A)
|
|
3
hours
2 hours
1.5 hours
|
97
db(A)
100 db(A)
102 db(A)
|
|
1
hours
1/2 hours
1/4 hours or less
|
105
db(A)
110 db(A)
115 db(A)
|
Digital Sound Level Meter 840029
ANSI S1.4-1971—"Specifications for Sound Level
Meters"
Note: Sper Scientific
products are currently being used to help the end user comply with the above standards.
