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Health hazard evaluation determination report: HHE-77-67-499, St. Clair Rubber Company, Marysville, Michigan.

Authors
Salisbury SA; Lybarger J
Source
Cincinnati, OH: U.S. Department of Health, Education, and Welfare, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, HHE 77-67-499, 1977 Oct; :1-27
NIOSHTIC No.
00099471
Abstract
Environmental and medical surveys were conducted on April 25 to 28, 1977, and October 26 and 27, 1977, to evaluate employee exposures to ethylene-thiourea (96457) (ETU) at the St. Clair Rubber Company (SIC- 2891, SIC-3069), in Marysville, Michigan. The evaluation was requested by an authorized representative of United Rubber Workers, Local 47, on behalf of 175 affected employees. Air samples were analyzed, and workers completed medical questionnaires and were given thyroid function tests. Hypothyroidism was confirmed only in one worker, although several reported symptoms consistent with this disease. When powdered ETM was used, airborne dust concentrations ranged up to 77 micrograms per cubic meter. After a nonpowdered dispersion form of ETU was substituted, airborne dust concentrations were significantly reduced. The authors conclude that no hazard existed at the time of the survey; however, a potential hazard is indicated by results of thyroid function tests in two workers that bordered on significance. They recommend that the medical surveillance program be expanded, that the use of the newly introduced solid form of ETU be maintained, that first aid facilities be inspected more frequently, that personal hygiene education be provided to prevent exposure to dangerous chemicals, that the local exhaust ventilation system be replaced and improved, and that workers use gloves when handling ETU compounds.
Keywords
NIOSH-Author; HHE-77-67-499; NIOSH-Health-Hazard-Evaluation; Crude-rubber; Hazard-Unconfirmed; Region-5; Occupational-health-programs; Control-methods; Air-sampling; Unions; Humans; Clinical-symptoms; Work-practices; Rubber-manufacturing; Author Keywords: Ethylene Thiourea; Airborne Dust; Powdered Ethylene Thiourea; ETU
CAS No.
96-45-7
Publication Date
19771026
Document Type
Field Studies; Health Hazard Evaluation
Fiscal Year
1978
NTIS Accession No.
PB81-143844
NTIS Price
A03
Identifying No.
HHE-77-67-499
NIOSH Division
DSHEFS
SIC Code
2891; 3069
Source Name
National Institute for Occupational Safety and Health
State
MI; OH
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