Full List of IRIS Chemicals

Recent Additions

11/18: A new Summary for Dichloromethane and a new 

accompanying Toxicological Review (PDF) (567 pp, 5.10M) have 

been added to the IRIS Web site. The Interagency Science 

Discussion Draft of the Dichloromethane IRIS assessment has also

been released.

•

11/18: Request for Nominations of Candidates to the EPA's 

Science Advisory Board (SAB) Chemical Assessment Advisory 

Committee for advice on the review of IRIS Toxicological Reviews 

[Federal Register Nov 18, 2011]

•

11/17: The public comment period for the Toxicological Review of n

-Butanol (External Review Draft) was extended to December 7,

2011. [Federal Register Nov 16, 2011]

•

11/14: The public comment period for the Toxicological Review of 

Vanadium Pentoxide (External Review Draft) was extended to

December 29, 2011, and the date for the public listening session 

was changed to December 8, 2011. [Federal Register Nov 9, 2011

•

10/26: EPA announces the availability of the external peer review 

comments on the draft Toxicological Review of Methanol (noncancer) 

•

See more Recent Additions

Recent Final Assessments

• Dichloromethane 

• Trichloroacetic acid 

• Trichloroethylene 

• Hexachloroethane 

• Urea

• Chloroprene

• Cis-1,2-Dichloroethylene

• Pentachlorophenol

• Trans-1,2-Dichloroethylene

• Hydrogen Cyanide and Cyanide Salts

See the full list of Final Assessments 

Draft Assessments under External Peer Review

• Biphenyl 

• Vanadium Pentoxide 

• 1,4-Dioxane (Inhalation) 

• n-Butanol 

• Libby Amphibole Asbestos

• Acrylonitrile

• Methanol (Non-Cancer)

See full list of IRIS Draft Reports 

Integrated Risk Information System (IRIS)

IRIS Most Viewed Chemicals

Acrylamide

Arsenic, inorganic

Benzene

Bisphenol A

Cadmium

Chromium (VI)

1,4-Dioxane

Formaldehyde

Mercury, elemental

Methylmercury (MeHg)

Polychlorinated biphenyls (PCBs)

Silver

EPA's Integrated Risk Information System (IRIS) is a human health assessment program that evaluates risk information on effects that may

result from exposure to environmental contaminants. Through the IRIS Program, EPA provides the highest quality science-based human 

health assessments to support the Agency’s regulatory activities. The IRIS database contains information for more than 550 chemical 

substances containing information on human health effects that may result from exposure to various substances in the environment.

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Calendar

10/26: Listening session for n-Butanol 

Toxicology Review

•

11/15: Close of Public Comment Period 

- 1,4-Dioxane (Inhalation)

•

11/16: Listening session for Biphenyl 

Toxicological Review

•

11/29: Close of Public Comment Period 

- Biphenyl

•

12/7: Close of Public Comment Period - 

n-Butanol 

•

12/8: Listening session for Vanadium 

Pentoxide Toxicological Review

•

12/29: Close of Public Comment Period 

- Vanadium Pentoxide

•

1/6: Request for Candidate Nominations 

to the SAB Chemical Assessment 

Advisory Committee Due

•

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