Agent Name

Chromite ore processing

Formula

Cr2-Fe-O4

Major Category

Metals

Category

Chromium Compounds, Inorganic

Description

"Chromite is the only mineral ore of chromium and consists of the oxides of chromium and of iron (Cr2O3FeO)." [Harber, p. 354]

Comments

Chromite ores are classified as trivalent chromium compounds, and dermatitis has been the main health effect reported. Roasted chromite ore is considered a hexavalent chromium compound. [ACGIH] A pneumoconiosis associated with chromite exposure was found in a study of South African miners. [Hendrick, p. 175] See "Chromium."

Exposure Assessment
Skin Designation (ACGIH)

Insufficient data

Bioaccumulates

Yes

TLV (ACGIH)

0.05 mg/m3, as Cr

Adverse Effects
Skin Sensitizer

Yes

Fibrogenic

Yes

ACGIH Carcinogen

Confirmed Human

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Toxicity Information

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Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: