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Prediction of NIPTS, Hearing Impairment and Handicap.

Authors
Kryter-KD
Source
Department of Communicative Disorders, College of Health and Human Services, San Diego State University, San Diego, California 1992 Sep:16 pages
Link
NIOSHTIC No.
00211768
Abstract
A method was developed for predicting noise induced permanent threshold shift (NIPTS) based on exposure to steady, intermittent, and impulsive noises. Information on pure tone hearing level, speech intelligibility test scores, and self rated hearing ability was derived from a random sample of the general public. The ISO Standard 1999 was found to underestimate NIPTS from exposure to continuous steady noise for an 8 hour workday. The Standard overestimated NIPTS from interrupted steady noise and impulsive/impact noise. Nonoccupational noise exposures, particularly to gun noise, were significantly able to obfuscate hearing losses resulting from the exposure to occupational noise. The new method, Effective Energy, A-weighted (EEA) was able to predict hearing loss from continuous or interrupted steady and impulsive type noises with reasonable accuracy.
Keywords
NIOSH-Grant; Noise-induced-hearing-loss; Industrial-noise; Noise-measurement; Impact-noise; Impulse-noise; Steady-state-noise;
Contact
Communicative Disorders San Diego State University 5300 Campanile DR San Diego, CA 92182
Publication Date
19920925
Document Type
Final Grant Report;
Funding Amount
45329.00
Funding Type
Grant;
Fiscal Year
1992
NTIS Accession No.
PB93-160943
NTIS Price
A03
Identifying No.
Grant-Number-R01-OH-02904
NIOSH Division
OEP
Priority Area
Hearing Loss; Disease and Injury; Noise-induced-hearing-loss;
Source Name
Department of Communicative Disorders, College of Health and Human Services, San Diego State University, San Diego, California
State
CA;
Performing Organization
San Diego State University, San Diego, California
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