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HHE Report No. HETA-92-0360-2372, Ackerman and Sons, Littleton, Colorado.

Authors
McCammon-CS; Goldfield-J
Source
NIOSH 1993 Nov:20 pages
NIOSHTIC No.
00218688
Abstract
In response to a request from the owner, an investigation was begun into methylene-chloride (75092) (MeCl) exposures at Ackerman and Sons (SIC-7641), Littleton, Colorado. The facility was a furniture refinishing shop. Work at the shop included paint stripping, furniture repair, refinishing, and recovering. Five refinishers were employed at the site, and usually spent only a few hours stripping per week, but occasionally stripped 3 to 4 hours in one day. Personal exposures to MeCl ranged from 83 to 523 parts per million (ppm) with a time weighted average figure of 2.4 to 177ppm. Exposures to methanol (67561) ranged from 39 to 95ppm. A significant lowering of airborne concentrations of stripping compounds was noted after the stripping booth was enclosed and ventilated. Personal MeCl exposures ranged from 10 to 110ppm and 8 hour time weighted averages ranged from 0.7 to 31ppm. Exposures to MeCl and methanol resulted from leaving furniture to dry in unventilated areas, poor work practices, and limitations on design parameters for the ventilation system as well as poor housekeeping practices. The authors conclude that methylene-chloride exposures did not exceed the OSHA Permissible Exposure Limit of 500ppm; NIOSH recommends that exposures be maintained at the lowest feasible concentration. The authors recommend that worker exposures to methylene-chloride be lowered.
Keywords
NIOSH-Author; NIOSH-Health-Hazard-Evaluation; NIOSH-Technical-Assistance-Report; HETA-92-0360-2372; Hazard-Unconfirmed; Region-8; Furniture-repair; Solvent-vapors; Chlorinated-hydrocarbons; Exhaust-ventilation;
CAS No.
75-09-2; 67-56-1;
Publication Date
19931101
Document Type
Hazard Evaluation and Technical Assistance;
Fiscal Year
1994
NTIS Accession No.
PB94-165131
NTIS Price
A03
Identifying No.
HETA-92-0360-2372
NIOSH Division
DSHEFS;
SIC Code
7641;
Source Name
Hazard Evaluations and Technical Assistance Branch, NIOSH, U.S. Department of Health and Human Services, Cincinnati, Ohio, Report No. HETA-92-0360-2372, 20 pages, 8 references
State
CO; OH;
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