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ACGIH is a 501(c)(3) charitable scientific organization that advances occupational and environmental health.
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This section has been established to help educate industry, government, and the public on what TLVs and BEIs are, and how TLVs and BEIs may best be used.
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IRON OXIDE
IRON OXIDE
CAS number: 1309-37-1
Synonyms: Ferric oxide; Hematite; Burnt sienna; Burnt umber; Jeweler’s rouge; Rouge
Molecular formula: Fe2O3
TLV–TWA, 5 mg/m3, Respirable particulate mass
A4 — Not Classifiable as a Human Carcinogen
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