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http://dx.doi.org/10.15269/JKSOEH.2014.24.4.405

Comprehensive Review of Endotoxin Level Reported in Metalworking Operations  

Park, Dong-Uk (Department of Environmental Health, Korea National Open University)
Publication Information
Journal of Korean Society of Occupational and Environmental Hygiene / v.24, no.4, 2014 , pp. 405-415 More about this Journal
Abstract
Objectives: The aim of this study is to comprehensively summarize endotoxin levels reported in operations using metalworking fluids(MWFs). Methods: An extensive literature review was conducted of studies reporting endotoxin levels in processes using metalworking fluids. Keyword search terms included 'metalworking fluids', 'machining fluids', 'metalworking operation', 'machining operation' and 'endotoxin', which were used in combination. Results: A total of ten manuscripts were found to report on airborne endotoxin levels from metalworking operations in the automobile industry. Polycarbonate(PC), polyvinyl chloride(PVC) and mixed cellulose ester(MCE) were used to collect airborne endotoxin. Limulus Amebocyte Lysate was mainly used to quantify endotoxin amount. The levels of airborne endotoxin reviewed varied considerably, ranging from < $4EU/m^3$ to $790EU/m^3$, which was found to be far lower than those from cotton and potato processing plants, sawmills, and poultry farms. Several studies assumed that exposure to endotoxin could be a causative agent of respiratory diseases. Conclusions: Inhalation endotoxin exposure levels reported from metalworking operations were found to be lower than those from industries handling organic materials, even though it could be considered as a possible cause for several respiratory diseases.
Keywords
endotoxin; respiratory disease; water-soluble metalworking fluids;
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Times Cited By KSCI : 1  (Citation Analysis)
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