Follow this link to download the current Proposition 65 list of chemicals.
If you would like to sort the list by CAS number or date, please download the list as an Excel document. You can then sort the list by date, CAS number, or chemical name using MS Excel. The Excel document also includes the listing mechanism for each chemical listing and the safe harbor level, if one has been adopted. A hyperlink is provided for those chemicals for which the basis for listing documentation is available electronically. A hyperlink is provided for those safe harbor levels for which the risk assessment documentation is available electronically.
The Office of Environmental Health Hazard Assessment (OEHHA) is adding a chemical to the list of chemicals known to the State to cause reproductive toxicity for purposes of the Safe Drinking Water and Toxic Enforcement Act of 1986 (Proposition 65 1). The chemical is methyl isocyanate (MIC) (CAS No. 624-83-9). Methyl isocyanate is listed effective November 12, 2010.
Methyl isocyanate (MIC) (CAS No. 624-83-9) was considered by the Developmental and Reproductive Toxicant Identification Committee (DARTIC) in its official capacity as the “state’s qualified experts” at a public meeting held on October 21, 2010. The DARTIC determined that MIC was clearly shown, through scientifically valid testing according to generally accepted principles, to cause developmental and female reproductive toxicity. Regulations governing the criteria for listing of chemicals by the DARTIC are set out in Title 27, California Code of Regulations, section 25305(b)(1).
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:
Reproductive toxicity
| Chemical | CAS No. | Toxicological Endpoints | Listing Mechanism2 |
|---|---|---|---|
| Methyl isocyanate (MIC) | 624-83-9 | Developmental toxicity Female reproductive toxicity | SQE |
1Health and Safety Code section 25249.5 et seq.
2Listing mechanism: SQE – “state’s qualified experts” mechanism (Title 27 Cal. Code of Regs., section 25305(b)(1)).
