IRIS

Nitrate

CASRN 14797-55-8

Noncancer Assessment

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

System RfD (mg/kg-day) Basis PoD Composite UF Confidence
Hematologic 1.6 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.


Nitrate is being reassessed.

Assessment Manager(s): Larissa Pardo (pardo.larissa@epa.gov)

Step Assessment Materials Released to the Public Release Date Public Meeting Date
1 Problem Formulation Materials 09/2017 TBD
1 Preliminary Assessment Materials TBD TBD
4 Public Comment Draft TBD TBD
4 Peer Review Draft TBD TBD
7 Post Final Assessment TBD

Please note: Any future dates displayed under Release Date are estimates and subject to change.

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