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HHE Report No. HETA-88-391-2156, Morton Salt Company, Weeks Island, Louisiana.

Authors
Ferguson-RP; Knutti-EB
Source
NIOSH 1991 Nov:42 pages
Link
NIOSHTIC No.
00204371
Abstract
In response to a request from the International Chemical Workers Union, project director, an evaluation was undertaken of possible hazardous working conditions at the Morton Salt Company (SIC-1479), Weeks Island, Louisiana. At Weeks Island the salt was mined from large domes, circular in shape and from a few hundred yards to a mile across. The only detectable overexposures in the mining operation were to coal-tar pitch volatiles. None of the 20 personal breathing zone and area air samples collected in the mill were above detectable limits for asbestos (1332214). The prevalences of chronic cough and chronic phlegm reported were statistically different, exceeding those reported by a group of nonexposed blue collar workers. Chronic symptoms were reported by underground workers in all smoking categories, but only by those surface workers who also smoked. There were more complaints about eye irritation and tearing of the eyes in the underground workers, consistent with diesel byproduct exposure. Four workers were identified through pulmonary function test results with mild obstructive lung disease and one with moderate obstructive lung disease. Three workers with mild restriction of lung volume were noted. None of the 61 chest films taken read positively for pneumoconiosis. The authors conclude that overexposures to coal-tar pitch volatiles existed at the time of the survey. The authors recommend measures for reducing occupational exposures to workplace contaminants. A follow up medical questionnaire survey should be conducted.
Keywords
NIOSH-Author; NIOSH-Health-Hazard-Evaluation; NIOSH-Technical-Assistance-Report; HETA-88-391-2156; Hazard-Confirmed; Region-6; Mining-industry; Miners; Combustion-products; Underground-miners; Occupational-exposure;
CAS No.
1332-21-4;
Publication Date
19911101
Document Type
Hazard Evaluation and Technical Assistance;
Fiscal Year
1992
NTIS Accession No.
PB92-145762
NTIS Price
A04
Identifying No.
HETA-88-391-2156
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-88-391-2156, 42 pages, 24 references
State
LA; OH;
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