Latest News
The Emerging Environmental Challenges Program was established in the Office of Environmental Health Hazard Assessment (OEHHA) in fiscal year 1996/97, and charged with developing a capability to anticipate future environmental challenges which may confront programs in the California Environmental Protection Agency (Cal/EPA).
| Program: Risk Assessment
OEHHA released a fact sheet prepared for the public, detailing health risks from asbestos exposure.
| Program: Air
Following endorsement by the Scientific Review Panel, OEHHA adopted Chronic Reference Exposure Levels for 16 chemicals. This was the 2nd wave included with the Air Toxics Hot Spots Program Risk Assessment Guidelines Part III: The Determination of Chronic Reference Exposure Levels for Airborne Toxicants.
| Program: Air
OEHHA has provided a number of comments on the risk characterization methodology and conclusions on the draft RCD for Deltamethrin.
| Program: Pesticides
OEHHA recommends a Notification Level of 170 ppb (ug/L) for naphthalene in drinking water.
| Program: Water
Notice of Intent to List chemical as causing cancer under the authoritative bodies mechanism: o-phenylphenol
| Program: Proposition 65
Dimethyl chlorothiophosphate, a candidate for listing via the Authoritative Bodies Mechanism was found not to meet the Scientific Criteria (22 CCR 12306(g)) for authoritative bodies listing as causing reproductive toxicity under Proposition 65
| Program: Proposition 65
OEHHA developed health values for the inhalation pathway for the Toxic Air Contaminant (TAC), methyl tertiary-butyl ether (MTBE).
| Program: Air
Notice of Intent to List chemicals as causing cancer under the authoritative bodies mechanism: Chloroprene, Cobalt sulfate heptahydrate, Fenoxycarb
| Program: Proposition 65