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how much Methylene oxide

how much Methylene oxide

CAS number: 75–21–8 NIOSH REL: <0.1 ppm (<0.18 mg/m 3) TWA, 5 ppm (9 mg/m 3) CEILING, 10-minutes/day; NIOSH considers ethylene oxide to be a potential occupational carcinogen as defined by the OSHA carcinogen policy [29 CFR 1990]. Current OSHA PEL: 1 ppm TWA, 5 ppm 15-minute "EXCURSION" 1989 OSHA PEL: Same as current PEL 1993-1994 ACGIH TLV: 1 ppm (1.8 mg/m 3) …

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