California Proposition 65 News

Proposition 65 requires businesses (both local and those importing to the state) to notify Californians about significant amounts of chemicals in the products they purchase, in their homes or workplaces, or that are released into the environment. For an overview, please see NCASI’s description sheet on Proposition 65.

• Migration studies of 1,3-dichloropropanol and 3-monochloropropane-1,2-diol from paperboard packaging in contact with foodstuffs (Rutgers University Ph.D. dissertation by Gregory Pace, January 2011)
•  California adds 1,3-dichloro-2-propanol and 3-monochloropropane-1,2-diol to Proposition 65 (November 8, 2010)
• OEHHA List of Proposition 65 Substances and Safe Harbor Levels (April 19, 2013)
• NCASI draft white paper reviews aspects of 1996 Environ Proposition 65 exposure models (August 16, 2010)
•  Exploratory analysis of potential empirical relationship to estimate sweat/paper partition coefficients (August 6, 2010)
• Proposition 65 – Announcement of Availability of Resource Materialsfor Responding to State of California Listing of Anthraquinone (NCASI Corporate Correspondent Memorandum No. 08-007, August 2008)
• NCASI Method AQ-S108.01 – Anthraquinone in Uncoated Papers and Market Pulps by Soxhlet Extraction and GC/MS (NCASI Technical Bulletin No. 953, July 2008)
• The Potential for Migration of Anthraquinone from Unbleached Linerboard (NCASI Special Report No. 08-02, July 2008)
• Determination of the Anthraquinone Paper/Paperboard Simulated Sweat Partition Coefficient for the Estimation of Potential Dermal Contact Exposure (NCASI Special Report No. 08-03, July 2008)
• Spreadsheet for Implementation of 1996 ENVIRON Calculations (NCASI, July 2008)
• Anthraquinone: Assessment of California Proposition 65 Listing (ENVIRON, April 2008)
• In September of 2007, California’s Office of Environmental Health Hazard Assessment (OEHHA) added anthraquinone to the Proposition 65 list of chemicals known to the state to cause cancer. As a result of this action, companies have to assess the need to label products for sale or use in California that contain anthraquinone. To assist members in making this determination, the industry’s product sector as represented in the American Forest & Paper Association’s Chemical and Product Stewardship Group requested that NCASI conduct studies (1) to develop an analysis method for anthraquinone in product, (2) to determine the potential for migration of anthraquinone to help assess the potential for exposure via indirect ingestion, and (3) to develop a partition coefficient describing the equilibrium partitioning of anthraquinone between a board sample and simulated sweat to help assess the potential for exposure via dermal contact. For an overview of this issue, please see Corporate Correspondent Memorandum No. 08-007
• A Technical Resource for Conducting Exposure Assessments of Paper and Paperboard Products Under California Proposition 65 (ENVIRON, July 1996)
• Dermal Exposure to Chemicals in Paper Products (ENVIRON, March 1989)