IRIS

Diesel engine exhaust

CASRN NA

Noncancer Assessment

Reference Dose for Oral Exposure (RfD) (PDF) (36 pp, 297 K) last updated: 02/28/2003
Not assessed under the IRIS Program.

 


Reference Concentration for Inhalation Exposure (RfC) (PDF) (36 pp, 297 K) last updated: 02/28/2003

System RfC (mg/m3) Basis PoD Composite UF Confidence
Respiratory 5 x 10-3 Pulmonary inflammation and histopathology NOAEL (HEC): 0.144
mg/m3
30 Medium

 

Cancer Assessment

Weight of Evidence for Cancer (PDF) (36 pp, 297 K) last updated: 02/28/2003

WOE Characterization Framework for WOE Characterization
Likely to be carcinogenic to humans Revised Draft Guidelines for Carcinogen Risk Assessment (US EPA, 1999)
Basis:
  • Using U.S. EPA's revised draft 1999 Guidelines for Carcinogen Risk Assessment (U.S. EPA, 1999), diesel exhaust (DE) is likely to be carcinogenic to humans by inhalation from environmental exposures.
  • This may be a synopsis of the full weight-of-evidence narrative.

Quantitative Estimate of Carcinogenic Risk from Oral Exposure (PDF) (36 pp, 297 K)

Not assessed under the IRIS Program.

Quantitative Estimate of Carcinogenic Risk from Inhalation Exposure (PDF) (36 pp, 297 K)

Not assessed under the IRIS Program.

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