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A Second Field Investigation of Noise Reduction Afforded by Insert- Type Hearing Protectors.

Authors
Edwards-RG; Broderson-AB; Green-WW; Lempert-BL
Source
NIOSH 1982 Apr:60 pages
Link
NIOSHTIC No.
00124157
Abstract
Field testing of noise reduction by earplugs was done. Ten factories and 280 employees took 1400 attenuation tests. User molded, expandable acoustic foam, custom molded, and acoustic wool types of earplugs were evaluated. Workers received protection ranging from about 9 decibels at 125 hertz to 29 decibels at 3150 hertz. Acoustic foam earplugs provided the best hearing protection, and acoustical wool, the least. The authors conclude actual noise protection depends on earplug design.
Keywords
NIOSH-Contract; Contract-210-81-3001; Personal-protective-equipment; Ear-protectors; Ear-protection; Hearing-protection;
Publication Date
19820401
Funding Type
Contract;
Fiscal Year
1982
NTIS Accession No.
PB83-138768
NTIS Price
A05
Identifying No.
Contract-210-81-3001
Priority Area
Control Technology and Personal Protective Equipment; Research Tools and Approaches;
Source Name
Watkins and Associates, Inc., Lexington, Kentucky, University of Kentucky Medical Center, Lexington, Kentucky, NIOSH, Cincinnati, Ohio, 60 pages, 11 references
State
KY; OH;
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