Nickel Refinery Dust

Synonym

Nickel dust; Nickel particles

Occurrence/Use

Byproduct of pyrometallurgical process in nickel refining

Cancer Potency Information

Inhalation Unit Risk (μg/cubic meter)-1:	2.6 E-4
Inhalation Slope Factor (mg/kg-day)-1:	9.1 E-1
Oral Slope Factor (mg/kg-day)-1:	9.1 E-1
Comments/References:	OEHHA 2009. Air Toxics Hot Spots Program Technical Support Document for Cancer Potencies. Appendix B. Chemical-specific summaries of the information used to derive unit risk and cancer potency values. Updated 2011. Listed as Nickel and nickel compounds.

Air

Acute RELs

Acute Reference Exposure Levels Comments:	See Nickel and Nickel Compounds.

8-Hour RELs

8-Hour Reference Exposure Levels Comments:	See Nickel and Nickel Compounds.

Chronic REL

Chronic Reference Exposure Levels Comments:	See Nickel and Nickel Compounds.

Proposition 65

Chemical Status

Cancer:	Currently listed

Cancer

Listed for:	Cancer
Date of Listing:	10/01/1987
Basis for Listing:	State's Qualified Experts

Safe Harbor Levels

Cancer
No Significant Risk Level (NSRL):	0.8 µg/day

Public notices related to this chemical:

Clarification of Chemical Listing of Nickel and Certain Nickel Compounds and Request for Comment on Proposed Listing of Nickel Compounds as Known to Cause Cancer