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Health hazard evaluation report: HETA-96-0169-2637, Kokoku Rubber, Inc., Richmond, Kentucky.

Authors
Decker-JA
Source
Cincinnati, OH: U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, HETA 96-0169-2637, 1997 May; :1-23
NIOSHTIC No.
00238620
Abstract
In response to a confidential employee request, an investigation was begun into possible hazardous working conditions at Kokoku Rubber (SIC-3016), Richmond, Kentucky. The company produced precision rubber parts primarily from polyisoprene rubber. Industrial hygiene sampling was conducted for nitrogen oxides, aldehydes, and nitrosamines. Thermal desorption tubes were used for the qualitative analyses for airborne chemicals. Low concentrations of nitrogen-dioxide (10102440) were identified. No nitrosamines were found. Aldehydes were below the limit of detection. The thermal desorption tube identified 30 additional airborne contaminants including acetophenone (98862), methyl-styrene (25013154), carbon- disulfide (75150), and sulfur-dioxide (7446095). No heat stress hazard was identified at the time of the visit. Of 11 interviewed employees, nine had worked or currently worked in the vulcanizing department. Of these, seven reported intermittent respiratory symptoms including shortness of breath, chest tightness, and nose and throat irritation while working in that department. The authors conclude that, while no single chemical could be implicated in the health effects reported, the combined effects of the irritants may have contributed to the difficulties. Recommendations included local exhaust system upgrades, medical surveillance, and the implementation of a heat stress program.
Keywords
NIOSH-Author; NIOSH-Health-Hazard-Evaluation; NIOSH-Technical-Assistance-Report; HETA-96-0169-2637; Hazard-Unconfirmed; Region-4; Heat-stress; Rubber-manufacturing-industry; Nitrosamines; Nitrogen-oxides; Amines; Occupational-exposure;
CAS No.
10102-44-0; 98-86-2; 25013-15-4; 75-15-0; 7446-09-5
Publication Date
19970501
Document Type
Field Studies; Hazard Evaluation and Technical Assistance
Fiscal Year
1997
NTIS Accession No.
PB98-106172
NTIS Price
A03
Identifying No.
HETA-96-0169-2637
NIOSH Division
DSHEFS
SIC Code
3016
Source Name
National Institute for Occupational Safety and Health
State
KY; OH
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