Environmental Assessment
IRIS Toxicological Review of Dibutyl Phthalate (DBP) (External Review Draft) 2006
IRIS Toxicological Review of Dibutyl Phthalate (DBP) (External Review Draft) 2006
Note: EPA has updated this document, but this version is provided as a courtesy to the public as a matter of public record.
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Notice
[Aug '06] EPA announces the release of a final report for the 2006 external peer review of the IRIS Reassessment of Dibutyl Phthalate, prepared by the U.S. Environmental Protection Agency (EPA), National Center for Environmental Assessment (NCEA), for the Integrated Risk Information System (IRIS). On July 28, 2006, a panel of external peer reviewers met to discuss their responses to the charge questions. This final document contains the written comments of the external peer reviewers.
The U.S. EPA has conducted a peer review of the scientific basis supporting the human health hazard and dose-response assessment of dibutyl phthalate that will appear on the Integrated Risk Information System (IRIS) database. Peer review is meant to ensure that science is used credibly and appropriately in derivation of the dose-response assessments and toxicological characterization.Background
Dibutyl phthalate is used as a plasticizer for nitrocellulose, polyvinyl acetate, and polyvinyl chloride; a lubricant for aerosol valves; an antifoaming agent; a skin emollient; and a plasticizer in nail polish, fingernail elongators, and hair spray. Dibutyl phthalate is: 1) classified as a Hazardous Air Pollutant under the 1990 Clean Air Act amendments; 2) included on the Office of Prevention, Pesticides and Toxic Substances 1990 high production volume chemical list; 3) listed as a Toxic Release Inventory chemical; and 4) found at hazardous waste and Superfund sites. The assessment will present reference values for the noncancer effects of dibutyl phthalate (RfD and RfC), where supported by available data, and a cancer assessment. The Toxicological Review will be subject to an internal and external peer review.
History/Chronology
| Jun 2006 | EPA announces an external peer-review workshop to review the external review draft document. |
| Jul 2006 | A panel of external peer reviewers met to discuss their responses to the charge questions. |
| Aug 2006 | EPA announced the release of the consolidated comments of the external peer reviewers. |
Next Steps
This draft has been archived.
Downloads/Related Links
- IRIS Toxicological Review of Dibutyl Phthalate (Di-N-Butyl Phthalate) (External Review Draft) (PDF) (133 pp, 936 KB, about PDF)
- Summary Documents for Dibutyl Phthalate (Di-N-Butyl Phthalate) (External Review Draft) (PDF) (17 pp, 106 KB, about PDF)
- Charge to External Reviewers for the IRIS Toxicological Review for Di-N-Butyl Phthalate (PDF) (3 pp, 39 KB, about PDF)
- Consolidated Comments from the External Peer Review (Final) (PDF) (21 pp, 117 KB, about PDF)
Additional Information
EPA is hereby providing for public information a draft Toxicological Review, draft IRIS Summary, and charge to external peer reviewers for EPA's health assessment of dibutyl phthalate. These documents are provided for public viewing and comment. Public comments received on the Toxicological Review or IRIS Summary prior to July 14, 2006 were provided to the external peer reviewers for their consideration. Any comments received by July 21, 2006 were considered by EPA in subsequent drafts.
Citation
U.S. EPA. IRIS Toxicological Review of Dibutyl Phthalate (DBP) (External Review Draft) 2006. U.S. Environmental Protection Agency, Washington, DC, NCEA-S-1755, 2006.