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HHE Report Number HHE-79-17-751 at RMI Metals Reduction Plant, Ashtabula, Ohio.

Authors
Anonymous
Source
NIOSH 1980:24 pages
Link
NIOSHTIC No.
00108668
Abstract
Environmental and personal air samples were analyzed for titanium (7440326), titanium-tetrachloride (7550450), hydrochloric-acid (7647010), welding fumes, asbestos (1332214), and nuisance particles at RMI Metals Reduction Facility in Ashtabula, Ohio, on January 8 to 9 and June 15 to 28, 1979. A representative of the Oil, Chemical, and Atomic Workers Union requested the evaluation on behalf of 209 workers. Medical examinations, chest X-Rays, and pulmonary function tests were administered to the workers. With the exception of one total particulate and two respirable particulate samples, titanium concentrations were below the American Conference of Governmental Industrial Hygienists (ACGIH) recommended standards of 10 milligrams per cubic meter (mg/CuM) for total particulates and 5 mg/CuM for respirable particulates. Three samples that exceeded recommended exposure criteria were 11.6 mg/CuM total nuisance dust, and 6.6 and 7.0 mg/CuM respirable nuisance particulates. Samples for welding fumes and hydrochloric-acid were below OSHA standards of 7mg/CuM and 5mg/CuM, respectively. Airborne asbestos was not detected. The medical study revealed extensive pleural thickening in 16 percent of the 58 nonproduction workers and was most prevalent among those who worked at the company for at least 10 years. Limited pleural thickening was found in 14 percent of the 151 production workers employed between 1957 and 1968. Major pulmonary function changes were found among the titanium-tetrachloride reduction process workers who had restrictive pulmonary changes with a significant yearly loss of lung volume. The author concludes that a health hazard of pulmonary impairment exists.
Keywords
NIOSH-Author; HHE-79-17-751; NIOSH-Health-Hazard-Evaluation; Hazards-Confirmed; Region-5; Worker-health; Health-surveys; Metal-dusts; Air-sampling; Medical-examinations; Air-contamination;
CAS No.
7440-32-6; 7550-45-0; 7647-01-0; 1332-21-4;
Publication Date
19800101
Document Type
Hazard Evaluation and Technical Assistance; Field Studies
Fiscal Year
1980
NTIS Accession No.
PB82-103243
NTIS Price
A03
Identifying No.
HHE-79-17-751
NIOSH Division
DSHEFS;
Source Name
Hazard Evaluations and Technical Assistance Branch, Division of Surveillance, Hazard Evaluations, and Field Studies NIOSH, Cincinnati, Ohio, 24 pages, 18 references
State
OH;
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