OEHHA, the State regulatory agency overseeing the administration of Propositon 65, has announced its intent to list "emissions from the combustion of coal" as a carcinogen. See http://www.oehha.ca.gov/prop65/CRNR_notices/admin_listing/intent_to_list... Read More

California's Proposition 65 ( Sections 25249.5 et seq Health & Safety Code ) is an unusual regulatory scheme. Lawsuits may be filed by private individuals. Plaintiffs are not required to have standing. The law only addresses a warning requirement;... Read More

There are several methods by which a "chemical" (a term of art) can be listed under California's Proposition 65. See, for example, http://www.rmkb.com/index.cfm/publications/publication-details/?pkid=253 (pp. 3-5). In California Chamber... Read More

Prior posts have reviewed various studies that indicate that BPA has estrogenic effects. In January 2013 the Office of Environmental Health Hazard Assessment (OEHHA) proposed listing BPA under California's Proposition 65 because OEHHA's evaluation... Read More

By Karen F. Lederer and Eric L. Unis On October 5, 2013, California Governor Jerry Brown signed into law a bill amending the state’s notorious Safe Drinking Water and Toxic Enforcement Act of 1986, commonly known as Prop 65, giving some protection... Read More

The California Office of Environmental Health Hazard Assessment (OEHHA) announced that it will add diisononyl phthalate (DINP) to the list of chemicals known to the State to cause cancer for purposes of the Safe Drinking Water and Toxic Enforcement Act... Read More

An interesting two-piece assessment has been published by KQED, the San Francisco PBS radio and television station. They are succinct and informative. Links to the two articles can be found at: http://blogs.kqed.org/science/audio/who-profits-from... Read More

The Office of Health Hazard Assessment ("OEHHA") [pronounced Oh-we-hah] has added methanol (CAS No. 67-56-1) to the list of chemicals known to the State to cause reproductive toxicity for purposes of Proposition 65. A "reproductive toxicant"... Read More

Methyl isobutyl ketone (CAS No. 108-10-1) is a very widely used solvent. The Office of Health Hazard Assessment (known affectionately as OEHHA [o-we-hah]) published a notice Sept. 16, 2011, that it intended to list MIK pursuant to the "labor code... Read More

The California Office of Environmental Health Hazard Assessment (OEHHA) has announced that it is considering implementation of the most significant changes to Prop. 65 regulations in more than two decades. OEHHA has posted the draft regulation and Initial... Read More

Dioxins collectively refers to hundreds of chemical compounds that share certain structures and biological characteristics. See Dioxin . Dioxins fall into three closely related groups: the chlorinated dibenzo-p-dioxins (CDD's) chlorinated dibenzofurans... Read More

As you may recall from prior posts, the warning threshold for a "reproductive toxicant" under Proposition 65 is determined by finding a "no-effects" level, and then dividing that number by 1,000. The Office of Environmental Health... Read More

By Katherine M. Rahill, Partner, Jenner & Block In December and January, the California Environmental Protection Agency's Office of Environmental Health Hazard Assessment ("OEHHA") announced its intent to add seven new chemicals... Read More

Methyl isobutyl ketone (CAS No. 108-10-1) is a very widely used solvent. The Office of Health Hazard Assessment (known affectionately as OEHHA [o-we-hah]) published a notice Sept. 16, 2011, that it intended to list MIK pursuant to the "labor code... Read More

As noted in prior posts, the Office of Health Hazard Assessment ("OEHHA", pronounced oh we hah) added BPA to the Proposition 65 list of reproductive toxicants on April 11, 2013. The basis was the authoritative source mechanism. [See http://www... Read More