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HHE Report No. HETA-80-035-1635, Bofors-Nobel/Lakeway Corporation, Muskegon, Michigan.

Authors
Singal-M; Lee-SA
Source
NIOSH 1985 Nov:25 pages
Link
NIOSHTIC No.
00157109
Abstract
Environmental and breathing zone samples were analyzed for dichlorobenzidine (91941), oryzalin (19044883), and dinitrochlorobenzene (97007) at Bofors/Nobel/Lakeway Corporation (SIC-2865), Muskegon, Michigan in November, 1980, February, 1981, and August, 1982. The evaluation was requested by the union local to investigate dermatitis, possible reproductive effects, and reported bladder cancer cases among the employees. Thirty six workers were interviewed by questionnaire. Medical records were reviewed. Urine samples were obtained before and after cleanup operations and analyzed for dichlorobenzidine. Breathing zone oryzalin and dichlorobenzidine concentrations averaged 28 and 0.9 micrograms per cubic meter, respectively. Full shift skin exposures to dichlorobenzidine averaged 6.3 micrograms per 25 square centimeters. Dichlorobenzidine surface contamination was found in the pack/out locker room; no dinitrochlorobenzene was detected. No adverse reproductive effects were reported. Fifty three percent of workers with potential dinitrochlorobenzene exposure and 31 percent without exposure reported skin problems. Ten cases of bladder cancer, with a mean latency of 13.3 years, were documented. Before cleanup operations began, 68 percent of the exposed workers had detectable urinary dichlorobenzidine; after cleanup, this was reduced to 28 percent. The authors conclude that there is a hazard from dichlorobenzidine. Recommendations include improving housekeeping procedures and possibly modifying production procedures to reduce dinitrochlorobenzene exposure.
Keywords
NIOSH-Author; NIOSH-Health-Hazard-Evaluation; NIOSH-Technical-Assistance-Report; Hazards-Confirmed; Chemical-manufacturing-industry; Region-5; Reproductive-effects; Air-contamination; HETA-80-035-1635;
CAS No.
91-94-1; 19044-88-3; 97-00-7;
Publication Date
19851101
Document Type
Hazard Evaluation and Technical Assistance;
Fiscal Year
1986
NTIS Accession No.
PB86-205739
NTIS Price
A03
Identifying No.
HETA-80-035-1635
NIOSH Division
DSHEFS;
SIC Code
2865;
Source Name
Hazard Evaluations and Technical Assistance Branch, NIOSH, U.S. Department of Health and Human Services, Cincinnati, Ohio, Report No. HETA-80-035-1635, 25 pages, 10 references
State
MI; OH;
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