IRIS

Methanol

CASRN 67-56-1

Health Hazard Assessments for Effects Other than Cancer

Reference Dose for Oral Exposure (RfD) (PDF) (6 pp, 86 K) last updated: 09/30/2013

System RfD (mg/kg-day) Basis PoD Composite UF Confidence
Developmental 2 Extra cervical ribs BMDL05 (internal): 43.1
mg/kg-day
100 Medium/High

 


Reference Concentration for Inhalation Exposure (RfC) (PDF) (6 pp, 86 K) last updated: 09/30/2013

System RfC (mg/m3) Basis PoD Composite UF Confidence
Nervous 2 x 101 Reduced brain weight in rat pups at 6 weeks of age BMDL1SD (internal): 858
mg/m3
100 Medium/High
Developmental 2 x 101 Reduced brain weight in rat pups at 6 weeks of age BMDL1SD (internal): 858
mg/m3
100 Medium/High

 

Cancer Assessment

Weight of Evidence for Cancer (PDF) (6 pp, 86 K)
Not assessed under the IRIS Program.

Quantitative Estimate of Carcinogenic Risk from Oral Exposure (PDF) (6 pp, 86 K)

Not assessed under the IRIS Program.

Quantitative Estimate of Carcinogenic Risk from Inhalation Exposure (PDF) (6 pp, 86 K)

Not assessed under the IRIS Program.

You will need Adobe Reader to view some of the files on this page. See EPA’s PDF page to learn more.