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Field Validation of alternative extraction method for the determination of airborne MWFs  

Jeong, Jee Yeon (Department of Occupational and Environment Health, Yong-In University)
Paik, Nam Won (Department of Public Health, Seoul National University)
Publication Information
Journal of Korean Society of Occupational and Environmental Hygiene / v.19, no.2, 2009 , pp. 96-101 More about this Journal
Abstract
The purpose of this study was to conduct the field validation of alternative method(ETM method) by using non-carcinogenic, and less toxic solvents than NIOSH (National Institute for Occupational Safety and Health) analytical method 5524 for measuring the airborne metalworking fluids in workplaces. We carried out the field validation test by using the exposure chamber, guaranteeing the air sampling homogeneously in a machining environment. The ETM mixed solvent presented the complete solubility of MWFs used in test field. Based on the field test data, the bias of the ETM method from reference method, NIOSH analytical method 5524, was from -7.0% to 5.1%. The overall uncertainty of the ETM nethod was 21.6%, which satisfied the NIOSH criteria for the sampling and analytical criteria.
Keywords
Metalworking fluids; ETM method; Field test; Exposure chamber; Bias; Overall uncertainty;
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