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Hearing Loss Due to Impact Noise in the Drop-Forging Industry.

Authors
Lempert-B; Taylor-W; Sulkowski-W
Source
Proceedings of the Fourth International Congress on Noise as a Public Health Problem, Turin, Italy, June 21-25, 1983, Centro Ricerche e Studi Amplifon, Milan, Italy 1983 Nov:361-364
Link
NIOSHTIC No.
00175547
Abstract
Hearing loss was compared in two populations exposed to nearly equivalent noise levels in different locations. One study involved 790 hammer forge workers from three different factories in Poland with 169 comparisons with no history of occupational noise exposure. The second study involved 505 hammer forge operators, 211 press forge operators, and 293 office workers employed in forges in the United Kingdom. Very little difference was noted between median hearing levels at 500, 1000, and 2000 hertz (Hz). At 3000, 4000, and 6000Hz there were progressive higher median hearing levels in the former study group. Very close agreement for hearing levels of individuals in the 15 to 24 year old age group from each study indicated good compatibility between the studies. Further comparisons indicated that the populations in the two studies consistently exhibited the same hearing loss for the same equivalent continuous exposure. Some unexplained errors in the measurement of the stimulus were present in both studies and in order to evaluate exposure to high impact noise levels, some of the techniques used would need further study.
Keywords
Noise-induced-hearing-loss; Ear-disorders; Hearing-impairment; Foundries; Foundry-workers; Noise-measurement; Impact-noise; Industrial-noise;
Publication Date
19831101
Document Type
Conference/Symposia Proceedings;
Fiscal Year
1984
NTIS Accession No.
NTIS Price
Priority Area
Hearing Loss; Disease and Injury; Noise-induced-hearing-loss;
Source Name
Proceedings of the Fourth International Congress on Noise as a Public Health Problem, Turin, Italy, June 21-25, 1983, Centro Ricerche e Studi Amplifon, Milan, Italy
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