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NIOSH [1994]. Method 2535: toluene-2,4-diisocyanate, issue 2. In: Eller PM, Cassinelli ME, eds. NIOSH Manual of Analytical Methods, 4th ed. Cincinnati, OH: U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, DHHS (NIOSH) Publication No. 94-113.
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OSHA [1983]. Method 42: diisocyanates. Salt Lake City, UT: U.S. Dept. Of Labor, Occupational Safety and Health Administration.
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OSHA [1985]. Method 47: methylene bisphenyl isocyanate (MDI). Salt Lake City, UT: U.S. Dept. Of Labor, Occupational Safety and Health Administration.
106.
Miles [1992]. Miles Corporate Industrial Hygiene Laboratory Method 1.4.3: determination of isocyanates in spray mist environments by sampling in an impinger with N-4-nitrobenzyl-npropylamine in toluene and analysis by high performance liquid chromatography. Pittsburgh, PA: Miles, Inc.
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