Latest News

Final Report: Child-Specific Reference Dose (chRD) for School Site Risk Assessment: Chlorpyrifos
Release of the final technical document establishing a chRD for chlorpyrifos (1.0 x 10^-4 mg/kg-day) to be used in school site risk assessments
Jun 17, 2010, Program: Risk Assessment
Proposition 65 Food Warnings, and Exposures to Human and Plant Nutrients in Human Food
Information reguarding OEHHA's work to initiate a discussion of possible approaches to providing warnings for exposures to listed chemicals in foods and exposures to human and plant nutrients in human food.
Jun 17, 2010, Program: Proposition 65
Extension of Public Comment Period for Proposed Revised Reference Exposure Levels For Toluene Diisocyanate And Methylene Diphenyl Diisocyanate
OEHHA extended the public comment period for its proposed revised Reference Exposure Levels for Toluene Diisocyanate and Methylene Diphenyl Diisocyanate after a request from an interested party.
Jun 17, 2010, Program: Air
Update on the Dinoseb Public Health Goal
The Public Health Goal for dinoseb has been reevaluated and will remain at 14 ppb.  The CA MCL for dinoseb is set at 7 ppb.
Jun 16, 2010, Program: Water
Revision to the Basis for Listing a Chemical: Chlorsulfuron
Effective June 11, 2010, OEHHA will remove male reproductive toxicity as a basis for the listing of chlorsulfuron.  Chlorsulfuron will remain on the Proposition 65 list based on U.S. EPA’s findings of developmental and female reproductive toxicity.
Jun 10, 2010, Program: Proposition 65
Notice of Public Comment on Proposed Revised Reference Exposure Levels for Nickel and Nickel Compounds
OEHHA released for public comment its proposed revision to the Reference Exposure Levels for nickel and nickel compounds.
Jun 4, 2010, Program: Air
CIPA Meeting June 3, 2010
Meeting materials for the sixth meeting of the cumulative impacts and precautionary approaches (CIPA) workgroup.
Jun 3, 2010, Program: CalEnviroScreen
CIPA Meeting June 3, 2010
June 3, 2010 sixth CIPA meeting
Jun 3, 2010, Program: CalEnviroScreen
Notice of Public Workshops on Proposed Reference Exposure Levels for Methylene Diphenyl Diisocyanate, Toluene Diisocyanate, and Caprolactam
OEHHA announced public workshops for RELs for MDI, TDI, and caprolactam.
Jun 2, 2010, Program: Air
Withdrawal of Regulatory Concept - Proposition 65 Regulatory Update Project Proposed Amendments to Title 27, California Code of Regulations Sections 25801, 25803, and 25805 - No Observable Effect Levels
OEHHA announces the withdrawal of its regulatory proposal for possible amendments to Sections 25801, 25803 and 25805 of the Proposition 65 implementing regulations. These sections establish the procedures for calculating “safe harbor” levels for chemicals listed under Proposition 65.
May 28, 2010, Program: Proposition 65

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