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Registry of Toxic Effects of Chemical Substances (RTECS)

Iron oxide fume

RTECS #

NO7525000

CAS #

Updated

May 2009

Molecular Weight

159.70

Molecular Formula

Fe2O3

Synonyms

Iron oxide fume (OSHA)
Zelaza tlenki (Polish)

Standards and Regulations

OrganizationStandardReference
Mine Safety and Health Administration (MSHA) STANDARD-airtime-weighted average 10 mg/m3DTLVS* 3,136,1971
Occupational Exposure Limit-AUSTRALIAtime-weighted average 0.1 mg(Fe)/m3, JUL2008
Occupational Exposure Limit-MEXICOtime-weighted average 5 mg(Fe)/m3;short term exposure limit 10 mg/m3 (inhal welding fumes), 2004
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Construction)8H time-weighted average 10 mg/m3CFRGBR 29,1926.55,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Fed cONT)8H time-weighted average 10 mg/m3CFRGBR 41,50-204.50,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Shipyards)8H time-weighted average 10 mg/m3CFRGBR 29,1915.1000,1993

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