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HHE Report No. HETA-95-0296-2547, Automotive Controls Corporation, Independence, Kansas.

Authors
Krake-AM; Herrera-Moreno-V
Source
NIOSH 1995 Dec:15 pages
NIOSHTIC No.
00231098
Abstract
In response to a confidential employee request, an investigation was begun into possible exposures to solvents at Automotive Controls Corporation (SIC-3694), Independence, Kansas. Workers were concerned about exposure to solvents, including dioxane (123911) and 1,1,1-trichloroethane (71556) (TCE) used to wash parts in the Hybrid Department. Problems included weakness, shakiness, blurred vision and eye irritation, inability to think or talk, depression, and respiratory and thyroid problems. The Hybrid Department produced ignitions, regulators, and distributorless ignition systems, and had 60 workers on two shifts. Full shift personal breathing zone (PBZ) exposure for TCE ranged from 69 to 198 parts per million (ppm), all below the OSHA exposure limit of 350ppm. PBZ exposure for dioxane ranged from 1.5 to 13.3ppm; all 21 samples taken exceeding the NIOSH recommended ceiling of 1ppm. Short term PBZ exposures were 422ppm for TCE and 11.8ppm for dioxane. Full shift area concentrations ranged from 92 to 1517ppm for TCE and from 2.5 to 51ppm for dioxane. These were highest for both compounds inside the storage room at the wash sink and at each degreasing tank at breathing zone level for the workers. The authors conclude that a health hazard existed from dioxane and TCE exposures at the time of the survey. The authors recommend that solvent concentrations in the Hybrid Department be reduced; the local exhaust ventilation system should be improved, and work practices should be used to reduce exposures.
Keywords
NIOSH-Author; NIOSH-Health-Hazard-Evaluation; NIOSH-Technical-Assistance-Report; HETA-95-0296-2547; Region-7; Hazard-Confirmed; Organic-solvents; Solvent-vapors; Automotive-industry; Chlorinated-hydrocarbons; Occupational-exposure;
CAS No.
123-91-1; 71-55-6;
Publication Date
19951201
Document Type
Hazard Evaluation and Technical Assistance;
Fiscal Year
1996
NTIS Accession No.
PB96-209614
NTIS Price
A03
Identifying No.
HETA-95-0296-2547
NIOSH Division
DSHEFS;
SIC Code
3694;
Source Name
Hazard Evaluations and Technical Assistance Branch, NIOSH, U.S. Department of Health and Human Services, Cincinnati, Ohio, Report No. HETA-95-0296-2547, 15 pages, 16 references
State
KS; OH;
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