Jump to main content or area navigation.

Contact Us

Environmental Assessment

IRIS Toxicological Review of Dichloromethane (DCM) (Interagency Science Discussion Draft)

Archive disclaimer
Archived files are provided for reference purposes only. The file was current when produced, but is no longer maintained and may now be outdated. Persons with disabilities having difficulty accessing archived files may contact the NCEA Webmaster for assistance. Please visit http://epa.gov/ncea to access current information.

Report Information

EPA is releasing the draft report, Toxicological Review of Dichloromethane, that was distributed to Federal agencies and White House Offices for comment during the Science Discussion step of the IRIS Assessment Development Process. Comments received from other Federal agencies and White House Offices are provided below with external peer review panel comments.

Jump to Table of Contents document
Norman Birchfield
  • by phone at:   703-347-0174
  • by fax at:   703-347-8699
  • by email at:  birchfield.norman@epa.gov


The draft Toxicological Review of Dichloromethane provides scientific support and rationale for the hazard and dose-response assessment pertaining to chronic exposure to dichloromethane. Dichloromethane, also known as methylene chloride, is a colorless liquid. It is, or has been, used principally in paint strippers and removers, as a propellant in aerosols, in the manufacture of drugs, pharmaceuticals, film coatings, electronics, and polyurethane foam, as a metal cleaning solvent, and in the decaffeination process of coffee and tea.


Dec 2009EPA hosted an interagency science consultation on the draft Toxicological Review of Dichloromethane.
Mar 2010EPA released the external review draft for public comment. EPA also announced a public listening session on May 11, 2010. [Federal Register Mar 31, 2010]
Aug 2010EPA announced the external peer review meeting to be held on September 23, 2010. [Federal Register Aug 17, 2010]
Nov 2010EPA released the comments from the external review workshop.
Aug 2011EPA hosted an interagency science discussion on the review of the draft Toxicological Review of Dichloromethane.
Nov 2011EPA released the final Toxicological Review and IRIS Summary for Dichloromethane and the interagency review draft with interagency review comments.

Next Steps

This assessment has been loaded into the IRIS Web site and Database.


U.S. EPA. IRIS Toxicological Review of Dichloromethane (DCM) (Interagency Science Discussion Draft). U.S. Environmental Protection Agency, Washington, DC, EPA/635/R-10/003D, 2011.


Related Links

Jump to main content.