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HHE Report No. HETA-93-0794-2621, Unimin Specialty Minerals, Inc. - Tamms, Tamms, Illinois.

Authors
Filios-M
Source
NIOSH 1997 Jan:40 pages
NIOSHTIC No.
00237587
Abstract
In response to a request from the Mine Safety and Health Administration, an estimation was made of the prevalence of silicosis in active and retired miners at Unimin Specialty Minerals, Inc. - Tamms (SIC-1446), in Tamms, Illinois. This facility surface mined and processes microcrystalline quartz (14808607). A group of current and former workers participate in the NIOSH medical survey and of these, 17% had a chest X-ray consistent with silicosis. Four participants, all former workers, had a chest X-ray consistent with progressive massive fibrosis. Two had "A" size large opacities, one had "B" size large opacities, and one had large opacities without a consensus on size. None of the 13 participating current workers employed 10 years or less had a positive chest X-ray. Pulmonary function tests revealed that nine of the 28 participants who performed spirometry had abnormal patterns. Four of the five participants with a positive chest X-ray had abnormal pulmonary function test results, with three exhibiting an obstructive pattern and one a combined restrictive and obstructive pattern. The author recommended that the frequency of medical monitoring examinations be increased.
Keywords
NIOSH-Author; NIOSH-Health-Hazard-Evaluation; NIOSH-Technical-Assistance-Report; HETA-93-0794-2621; Hazard-Confirmed; Region-5; Respiratory-system-disorders; Lung-function; Pulmonary-function-tests; Occupational-exposure; Mining-industry; Chest-X-rays; Underground-mining;
CAS No.
14808-60-7;
Publication Date
19970101
Document Type
Hazard Evaluation and Technical Assistance;
Fiscal Year
1997
NTIS Accession No.
PB97-189559
NTIS Price
A04
Identifying No.
HETA-93-0794-2621
NIOSH Division
DSHEFS;
Priority Area
Respiratory-system-disorders
SIC Code
1446;
Source Name
Hazard Evaluations and Technical Assistance Branch, NIOSH, U.S. Department of Health and Human Services, Cincinnati, Ohio, Report No. HETA-93-0794-2621, 40 pages, 44 references
State
IL; OH;
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