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California Finalizes New “Lead Agency Website” Rulemaking under Prop 65

February 4, 2016

California’s Office of Environmental Health Hazard Assessment (OEHHA), which administers Proposition 65, has finalized a rule that will establish a “Lead Agency Website” to provide additional information to consumers on exposure to listed chemicals.  The rule’s Final Text can be accessed through OEHHA’s website

The new requirements impose reporting requirements on industry in the event that OEHHA requests information.  Specifically, within 90 days of a request from OEHHA, the manufacturer, producer, distributor, or importer of a product bearing a Proposition 65 warning must provide, for publication on the Lead Agency Website, information such as:  the location of the chemical in the product, the concentration (including mean, minimum, and mode) of the listed chemical in the final product, anticipated routes of exposure, estimated levels of exposure, and “any other related information concerning exposures to listed chemicals. Requests may be answered through a trade association if OEHHA seeks information from two or more businesses regarding the same product or exposure. 

 However, the new regulations also state that, if the information OEHHA is requesting is not in the possession or control of a business, the business is not required to procure it. 

In terms of background, the Safe Drinking Water and Toxic Enforcement Act of 1986 (commonly known as Proposition 65 or Prop 65) requires the governor of California to publish a list of chemicals "known to the State to cause cancer or reproductive toxicity."  The law mandates, in part, that no person may knowingly expose any individual to a significant amount of a listed chemical without first providing a "clear and reasonable warning" to such individual. 

As highlighted in 2013 comments by Governor Jerry Brown, the current “clear and reasonable warning” contains a limited amount of information (i.e., “WARNING:  This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.”).  The Lead Agency Website is one of two rulemaking initiatives undertaken by OEHHA to increase the level of detail provided to Californians under Proposition 65.  Specifically, the Lead Agency Website will identify the listed chemicals present in a product, publish concentrations in products, and provide exposure estimates.  A second rulemaking initiative that is currently in process would revise the warning language to define “clear and reasonable” to obligate identification of the Proposition 65 listed chemicals present in the given product and refer consumers to the Lead Agency Website for additional information.  Additional information on the pending warning requirement rulemaking can be found here

Various industry groups submitted comments highlighting concerns regarding disclosure of information considered to be trade secret or privileged, as well as disputing the accuracy of information posted on the Lead Agency Website by third parties.  The final regulation includes text proposed in September 2015 in response to these comments, concerning (1) the method by which OEHHA will evaluate trade secret information, (2) the inability of OEHHA to obtain privileged information from companies, and (3) the ability of companies to request the correction of inaccurate information that may appear on the website.

The new regulations go into effect April 1, 2016.