### 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 Sc ience Discussion Draft of the Dichloromethane IRIS assess ment 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 Toxicologi cal 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 Toxicologi cal Review of Vanadium Pentoxide (External Review Draft) was exte nded to December 29, 2011, and the date for the public list ening session was changed to December 8, 2011. [Federal Register Nov 9, 2011 •

10/26: EPA announces the availability of the extern al peer review comments on the draft Toxicological Review of Metha nol (non

cancer) •

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 highestquality science- based human health assessments to support the Agency’s regulato ry activities. The IRIS database contains informati on for more than 550 chemical substances containing information on human health e ffects that may result from exposure to various sub stances in the environment. 

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### Last updated on Friday, November 18, 2011 http://www.epa.gov/iris/index.html Recent Additions Basic Information IRIS Process A to Z List of IRIS Substances Advanced Search Compare IRIS Values IRIS Guidance Download IRIS IRISTrack Site Help & Tools Archived Drafts & Comments Related Links



## n **m l**  **k j**  **i** Top 3 Tasks

Recent Additions • IRIS Process • Contacting the IRIS Hotline •

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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 •

IRIS Quick Links

IRIS Basics - 101 • IRIS Guidelines • IRIS Frequent Questions • IRIS Agenda & Literature Searches • IRISTrack| What is IRISTrack? • IRIS Glossary • Download IRIS • Sign up for the IRIS Mailing List • 

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