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New data for noise standards.

Authors
Henderson-D; Hamernic-RP; Crossley-J
Source
Laryngoscope 1974 May; 84(5):714-721
NIOSHTIC No.
00039895
Abstract
Continuous noises and impulse noises, considered "safe" by existing damage risk criteria were combined to model more realistic noise environments. In monaural chinchillas, quiet thresholds were measured before and after exposure using the auditory evoked response, and histology was obtained, using the surface preparation technique. The audiometric and histological findings agree in showing that the superimposed combination of two "safe" noises produces traumatic effects that more than exceed the additive effects of either component. The existing damage risk criteria do not provide guidelines for such noise combinations.
Keywords
NIOSH-Publication; NIOSH-Grant; Noise-induced-hearing-loss; Noise-control; Test-methods; Audiology; Sound-pressure-level; Hearing-threshold; Exposure-limits; Synergism; Ear-disorders; Hearing-disorders; Safety-measures; Noise-levels; Histopathology
Contact
Otolaryngology Upstate Medical Center Departm 750 E Adams Street Syracuse, N Y 13210
CODEN
LARYA8
Publication Date
19740501
Document Type
Journal Article
Funding Amount
651569
Funding Type
Grant
Fiscal Year
1974
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-R01-OH-00364
Issue of Publication
5
ISSN
0023-852X
Priority Area
Noise-induced-hearing-loss
Source Name
The Laryngoscope
State
NY
Performing Organization
Upstate Medical Center, Syracuse, New York
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