Nitrate

CASRN 14797-55-8

IRIS Summary (PDF) (12 pp, 106 K)
Status: Nitrate is not being reassessed by IRIS at this time.
Reregistration Eligibility Decision (RED) (PDF) (36 pp, 297 K)

Key IRIS Values

Health Hazard Assessments for Effects Other than Cancer

Reference Dose for Oral Exposure (RfD) (PDF) (12 pp, 106 K) last updated: 05/01/1991

RfD (mg/kg-day)	System	Basis	PoD	Composite UF	Confidence
1.6	Hematologic	Early clinical signs of methemoglobinemia in excess of 10% (0-3 months old infants formula)	NOAEL : 1.6 mg/kg-day	1	High

Reference Concentration for Inhalation Exposure (RfC) (PDF) (12 pp, 106 K)
Not assessed under the IRIS Program.

Cancer Assessment

Weight of Evidence for Cancer (PDF) (12 pp, 106 K)
Not assessed under the IRIS Program.

Quantitative Estimate of Carcinogenic Risk from Oral Exposure (PDF) (12 pp, 106 K)

Not assessed under the IRIS Program.

Quantitative Estimate of Carcinogenic Risk from Inhalation Exposure (PDF) (12 pp, 106 K)

Not assessed under the IRIS Program.

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