May 1, 2012 at 06:04 PM
The National Academy of Sciences (NAS) is preparing to conduct a comprehensive review of the Environmental Protection Agency's controversial Integrated Risk Information System (IRIS) program and ongoing reforms after congressional appropriators approved the NAS' plan in lieu of reviewing two chemical assessments that lawmakers had originally sought. Stakeholders have weighed in recently on NIOSH considering the EPA and other agencies' tiered approaches for assessing and listing chemicals' cancer risks as a model for its safety standards, though the chemical industry is objecting to calls by un