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HHE Report No. HETA-88-389-2147, International Salt Company, Avery Island, Louisiana.

Authors
Ferguson-RP; Knutti-EB
Source
NIOSH 1991 Oct:43 pages
NIOSHTIC No.
00204377
Abstract
In response to a request from the project director of the International Chemical Workers Union, an evaluation was made of exposure to asbestos (1332214) and diesel emissions at the International Salt Company (SIC-1479) mine and mill, Avery Island, Louisiana. The only detectable overexposures were to coal-tar pitch volatiles (CTPV) and nitrogen-dioxide (10102440) (NO2). Eleven of 14 samples for CTPV showed detectable levels ranging from 0.06 to average of 0.1mg/m3. Nine full shift personal NO2 samples were collected and gave concentrations ranging from 2.2 to 3.5 parts per million (ppm). All nine samples exceeded the NIOSH ceiling of 1ppm. Airborne asbestos was not detected, but settle dust and bulk materials contained asbestos. A medical study of 159 employees showed 14 workers with mild obstruction, one with moderate obstruction and one with severe obstruction on pulmonary function tests. The authors conclude that overexposures to coal-tar pitch volatiles and NO2 existed at the time of the survey. The authors recommend specific measures to reduce exposure to workplace contaminants. A followup medical survey is recommended.
Keywords
NIOSH-Author; NIOSH-Health-Hazard-Evaluation; NIOSH-Technical-Assistance-Report; HETA-88-389-2147; Hazard-Confirmed; Region-6; Mining-industry; Underground-miners; Combustion-products; Occupational-exposure; Toxic-gases;
CAS No.
1332-21-4; 10102-44-0;
Publication Date
19911001
Document Type
Hazard Evaluation and Technical Assistance;
Fiscal Year
1992
NTIS Accession No.
PB92-145747
NTIS Price
A04
Identifying No.
HETA-88-389-2147
NIOSH Division
DSHEFS;
SIC Code
1479;
Source Name
Hazard Evaluations and Technical Assistance Branch, NIOSH, U.S. Department of Health and Human Services, Cincinnati, Ohio, Report No. HETA-88-389-2147, 43 pages, 25 references
State
LA; OH;
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