IRIS

Ammonia

CASRN 7664-41-7

Noncancer Assessment

Reference Dose for Oral Exposure (RfD) (PDF) (10 pp, 309 K)
Not assessed under the IRIS Program.

 


Reference Concentration for Inhalation Exposure (RfC) (PDF) (10 pp, 309 K) last updated: 09/20/2016

System RfC (mg/m3) Basis PoD Composite UF Confidence
Respiratory 5 x 10-1 Decreased lung function and respiratory symptoms NOAEL (ADJ): 4.9
mg/m3
10 Medium

 

Cancer Assessment

Weight of Evidence for Cancer (PDF) (10 pp, 309 K)
Not assessed under the IRIS Program.

Quantitative Estimate of Carcinogenic Risk from Oral Exposure (PDF) (10 pp, 309 K)

Not assessed under the IRIS Program.

Quantitative Estimate of Carcinogenic Risk from Inhalation Exposure (PDF) (10 pp, 309 K)

Not assessed under the IRIS Program.


Ammonia is being reassessed.

Assessment Manager(s): Vincent Cogliano (cogliano.vincent@epa.gov)

Step Assessment Materials Released to the Public Release Date Public Meeting Date
1 Problem Formulation Materials 04/2018 05/2018
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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