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Chemical Listed Effective October 8, 2010 As Known To The State Of California To Cause Cancer: Spirodiclofen (CAS No. 148477-71-8)

The October 08, 2010 Proposition 65 list of chemicals can be downloaded below.

If you would like to sort the list by CAS number or date, please download the list as an Excel spreadsheet below.

The Office of Environmental Health Hazard Assessment (OEHHA) is adding one chemical to the list of chemicals known to the State to cause cancer for purposes of the Safe Drinking Water and Toxic Enforcement Act of 1986 (Proposition 65). The chemical is spirodiclofen (CAS No. 148477-71-8). Spirodiclofen is listed effective October 8, 2010.

Spirodiclofen (CAS No. 148477-71-8) is being listed as a chemical known to the State of California to cause cancer. The listing of spirodiclofen is based on its formal identification by an authoritative body (the U.S. Environmental Protection Agency (U.S. EPA)), as a chemical causes cancer. The criteria used by OEHHA for the listing of chemicals under the “authoritative bodies” mechanism can be found in Title 27, Cal. Code of Regs, section 25306.

The Notice of Intent to List Spirodiclofen (CAS No. 148477-71-8) was published in the November 27, 2009 issue of the California Regulatory Notice Register (Register 2009, No. 48 Z). The notice includes a discussion of the information relied on by OEHHA to make the determination that Spirodiclofen meets the criteria for administrative listing.

A complete, updated chemical list is published in this issue of the California Regulatory Notice Register and is available on the OEHHA website at www.oehha.ca.gov.

In summary, the following chemical is being listed under Proposition 65 as known to the State to cause cancer

Chemical CAS No. Toxicological Endpoints Listing Mechanism
Spirodiclofen 148477-71-8 cancer AB

Listing mechanism:  AB – “authoritative bodies” mechanism (Title 27 Cal. Code of Regs., section 25306).

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