Latest News
Request for information on progesterone for consideration by the OEHHA Science Advisory Board’s Developmental and Reproductive Toxicant (DART) Identification Committee.
| Program: Proposition 65
This document is one of a series of technical resources and tools prepared by the Ecotoxicology Unit (OEHHA) as part of our goal of advancing the science and practice of ecological risk assessment.
| Program: Ecotoxicology
OEHHA released a revised draft with unit risk value for naphthalene, which was ammeneded in response to comments received during the comment period.
| Program: Air
In response to public comments, OEHHA released a revised version of its draft Chronic Reference Exposure Levels for silica (crystalline, respirable).
| Program: Air
The Public Health Goal for perchlorate was finalized and the technical support document was made available.
| Program: Water
This 2004 draft report is required by the California Land Environmental Restoration and Reuse Act (Escutia, Chapter 764, Statues of 2001) as part of the effort to develop soil screening numbers for a specific set of contaminants.
| Program: Risk Assessment
OEHHA has provided a number of comments on the risk characterization and the exposure assessment methodology and conclusions on the draft addendum to RCD and EAD for Methidathion.
| Program: Pesticides
OEHHA announced availability of this draft report for review and comment.
| Program: Risk Assessment
Request for information on chemicals to be considered by the Carcinogen Identification Committee.
| Program: Proposition 65
OEHHA announced that the public health goal (PHG) for perchlorate in drinking water was identified as 6 ppb (parts per billion).
| Program: Water