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On October 5, 2018, the Office of Environmental Health Hazard Assessment (OEHHA) issued a notice of proposed rulemaking to adopt amendments to Title 27, California Code of Regulations, section 25821. The amendments were intended to clarify when and how a person could average concentrations of a listed chemical in a food, and identified the use of the arithmetic mean as the default method of calculation of individual exposure.
| Program: Proposition 65
The chemicals are being added to the list of chemicals known to the State of California to cause cancer for purposes of Proposition 65. The listing of these chemicals is pursuant to the “Labor Code” listing mechanism.
| Program: Proposition 65
RELs are airborne concentrations of a chemical that are not anticipated to result in adverse noncancer health effects for specified exposure durations in the general population, including sensitive subpopulations.
| Program: Air
IURs are used to estimate lifetime cancer risks associated with inhalation exposure to a carcinogen.
| Program: Air
The Office of Environmental Health Hazard Assessment (OEHHA) is recommending that the State Water Resources Control Board (SWRCB) set the notification levels (NLs) for perfluorooctanoic acid (PFOA) and perfluorooctane sulfonate (PFOS) at the lowest levels at which they can be reliably detected in drinking water using currently available and appropriate technologies.
| Program: Water
The advisory issued today provides safe eating advice for Inland Silverside, Rainbow Trout, and Sacramento Pikeminnow.
| Program: Fish
A compilation of selected publications presenting observations and new or emerging scientific information on climate change.
| Program:
Agenda, Times, Speakers, and Links to Videos.
| Program: Risk Assessment