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HHE Report No. HETA-88-388-2155, Morton Salt Company, Grande Saline, Texas.

Authors
Ferguson-RP; Knutti-EB
Source
NIOSH 1991 Nov:44 pages
NIOSHTIC No.
00205035
Abstract
In response to a request from the International Chemical Workers Union, an investigation was undertaken of possible hazardous working conditions at the Morton Salt Company (SIC-1479), Grande Saline, Texas. Concern was expressed over asbestos (1332214) and diesel emissions at four salt mines. The study showed that the only detectable over exposures were to coal-tar pitch volatiles (CTPV) and nitrogen-dioxide (10102440) (NO2), the byproducts of combustion of petroleum based fuels. Concentrations of NO2 ranged from 0.47 to 1.4 parts per million. Airborne asbestos was not detected in 15 airborne samples collected in the mill area. Chrysotile (12001295) asbestos was identified in one of six bulk samples collected from various mill areas. Pulmonary function tests revealed decreased 1 second forced expiratory volume values for workers who currently smoked. The authors conclude that hazards existed from exposure to NO2 and CTPV in the mine. Asbestos was identified in some duct insulation. The authors recommend specific measures to reduce the these occupational exposures.
Keywords
NIOSH-Author; NIOSH-Health-Hazard-Evaluation; NIOSH-Technical-Assistance-Report; HETA-88-388-2155; Hazard-Confirmed; Region-6; Diesel-exhausts; Fuels; Toxic-gases; Occupational-exposure; Asbestos-fibers;
CAS No.
1332-21-4; 10102-44-0; 12001-29-5;
Publication Date
19911101
Document Type
Hazard Evaluation and Technical Assistance;
Fiscal Year
1992
NTIS Accession No.
PB92-164268
NTIS Price
A04
Identifying No.
HETA-88-388-2155
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-88-388-2155, 44 pages, 24 references
State
TX; OH;
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