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Availability of Draft Hazard Identification Documents for 1,2-Epoxybutane and Verapamil

Documents finalized December 2004 - follow this link for the finalized documents

The California Environmental Protection Agency’s Office of Environmental Health Hazard Assessment (OEHHA) is the lead agency for the implementation of the Safe Drinking Water and Toxic Enforcement Act of 1986 (Proposition 65). The Carcinogen Identification Committee (CIC) of OEHHA’s Science Advisory Board advises and assists OEHHA in compiling the list of chemicals known to the State to cause cancer as required by Health and Safety Code section 25249.8. The Committee serves as the State’s qualified experts for determining whether a chemical has been clearly shown through scientifically valid testing according to generally accepted principles to cause cancer.

On March 12, 2004, OEHHA requested information in relation to the preparation of a draft hazard identification documents on 1,2-epoxybutane and verapamil, chemicals to be considered by the CIC for possible addition to the Proposition 65 list. The 60 day data call-in period ended on May 11, 2004. No information or data were received on 1,2-epoxybutane or verapamil.

OEHHA has prepared the draft hazard identification documents for 1,2-epoxybutane and verapamil and announces the availability of the draft documents entitled: “Evidence on the Carcinogenicity of 1,2-epoxybutane” and “Evidence on the Carcinogenicity of Verapamil.” Copies of the draft documents are available from the Proposition 65 Implementation Office and may be requested by calling (916) 445-6900. The documents are also available through the Internet at the following address: /. This notice marks the beginning of a 60-day public comment period. Comments should be submitted in triplicate and directed to:

the Proposition 65 Office
Office of Environmental Health Hazard Assessment
Proposition 65 Implementation
P.O. Box 4010
1001 I Street, 19th floor
Sacramento, California 95812-4010
FAX (916) 323-8803

Comments may also be delivered in person or by courier to the above address. It is requested, but not required, that written comments and supporting documentation be transmitted via email addressed to: P65Public.Comments@oehha.ca.gov. In order to be considered, comments must be postmarked (if sent by mail) or received at OEHHA (if hand-delivered, sent by FAX, or transmitted electronically) by 5:00 p.m. on Tuesday, October 12, 2004.

OEHHA will organize and index the comments received and forward the information to the CIC members prior to the meeting at which the candidate chemicals will be considered. The next meeting of the CIC is scheduled for Monday, November 1, 2004. The meeting will be held at the California Environmental Protection Agency Headquarters Building, Sierra Hearing Room, at 1001 I Street, Sacramento, California. The meeting will begin at 10:00 a.m. and will last until all business is conducted or until 5:00 p.m. The agenda for the meeting will be provided in a future public notice published in advance of the November 1 meeting.

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