Proposition 65

Proposition 65, officially known as the Safe Drinking Water and Toxic Enforcement Act of 1986, was enacted as a ballot initiative in November 1986. The proposition protects the state's drinking water sources from being contaminated with chemicals known to cause cancer, birth defects or other reproductive harm, and requires businesses to inform Californians about exposures to such chemicals.

Proposition 65 requires the state to maintain and update a list of chemicals known to the state to cause cancer or reproductive toxicity.

Questions?

Questions about Proposition 65? Check our Frequently asked Questions page or contact the Proposition 65 office: (916) 445-6900 or email P65.Questions@oehha.ca.gov.

Reports, Notices, Documents

Jun 1, 1989: Final Statement of Reasons - Extent of Exposure
This final statement of reasons sets forth the reasons for the final language adopted by the Agency for the regulations in Article 5, and responds to the objections and recommendations submitted regarding those regulations as originally proposed and modified.
Jun 1, 1989: Final Statement of Reasons - No Significant Risk Levels and No Observable Effect Levels
The purpose of these regulations is to provide some "safe harbor" levels and methodologies, and criteria for exposure assessment, which will assist persons in making certain that their discharges, releases or exposures pose no significant risk or would have no observable effect within the meaning of the Act. Article 7, commencing at section 12701, addresses the determination of whether exposures to carcinogens listed under the Act pose no significant risk within the meaning of the Act. Article 8, commencing at section 12801, addresses the determination of whether exposure to listed reproductive toxins would produce no observable effect within the meaning of the Act. 
Nov 4, 1988: Final Statement of Reasons - Safe Drinking Water and Toxic Enforcement Act of 1986, Section 12201, Definitions
This final statement of reasons sets forth the reasons for the final language adopted by the Agency for section 12201 (a) and (b) , and responds to the objections and recommendations submitted regarding those provisions. Under the amended definition of "in the course of doing business", the term would include any business activity without regard to whether it is conducted for profit.
Nov 1, 1988: Final Statement of Reasons - Clear and Reasonable Warning
This revised final statement of reasons sets forth the reasons for the final language adopted by the Agency for section 12601, and responds to the objections and recommendations submitted regarding that section as originally proposed and modified. 

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