| Effects of retrofit emission controls and work practices on perchloroethylene exposures in small dry-cleaning shops. | |
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MedLine Citation:
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PMID: 11843197 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The effectiveness of commercially available interventions for reducing workers' perchloroethylene exposures in three small dry-cleaning shops was evaluated. Depending upon machine configuration, the intervention consisted of the addition of either a refrigerated condenser or a closed-loop carbon adsorber to the existing dry-cleaning machine. These relatively inexpensive (less than $5000) engineering controls were designed to reduce perchloroethylene emissions when dry-cleaning machine doors were opened for loading or unloading. Effectiveness of the interventions was judged by comparing pre- and postintervention perchloroethylene exposures using three types of measurements in each shop: (1) full-shift, personal breathing zone, air monitoring, (2) next-morning, end-exhaled worker breath concentrations of perchloroethylene, and (3) differences in the end-exhaled breath perchloroethylene concentrations before and after opening the dry-cleaning machine door. In general, measurements supported the hypothesis that machine operators' exposures to perchloroethylene can be reduced. However, work practices, especially maintenance practices, influenced exposures more than was originally anticipated. Only owners of dry-cleaning machines in good repair, with few leaks, should consider retrofitting them, and only after consultation with their machine's manufacturer. If machines are in poor condition, a new machine or alternative technology should be considered. Shop owners and employees should never circumvent safety features on dry-cleaning machines. |
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Authors:
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Lynda M Ewers; Avima M Ruder; Martin R Petersen; G Scott Earnest; Linda M Goldenhar |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Applied occupational and environmental hygiene Volume: 17 ISSN: 1047-322X ISO Abbreviation: Appl Occup Environ Hyg Publication Date: 2002 Feb |
Date Detail:
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Created Date: 2002-02-14 Completed Date: 2002-02-28 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 9103256 Medline TA: Appl Occup Environ Hyg Country: England |
Other Details:
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Languages: eng Pagination: 112-20 Citation Subset: IM |
Affiliation:
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National Institute for Occupational Safety and Health, Cincinnati, Ohio, USA. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Air Pollutants, Occupational
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analysis* Air Pollution, Indoor / analysis* Commerce Environmental Monitoring / methods* Humans Intervention Studies Laundering / instrumentation, methods Occupational Exposure / analysis, prevention & control* Occupational Health Ohio Probability Sensitivity and Specificity Tetrachloroethylene / analysis* |
| Chemical | |
Reg. No./Substance:
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0/Air Pollutants, Occupational; 127-18-4/Tetrachloroethylene |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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