A stakeholder wanted EPA to make the NRC report available for free. MCLG Development, Risk Characterization and Health Advisory . SDWA requires that EPA issue MCLGs, nonenforceable health goals. To do so, EPA follows the 1996 Proposed Carcinogen Risk Assessment Guidelines to develop MCLGs for carcinogens. The risk assessment process evaluates exposure from drinking water, diet, and air.
Skin absorption is minimal.
EPA is currently creating a health advisory for arsenic. The purpose of this advisory is to provide guidance for the United States population prior to the effective date of the regulations, which is three to five years after the final rule is published. Arsenic Research Plan Update . The Arsenic Research Plan, completed in February 1998 and extensively peer-reviewed both internally and externally, has not changed. One of its purposes is to improve the scientific basis for risk assessment and regulatory decisions regarding arsenic.