February 22, 2012 at 08:45 PM
NIOSH is considering using the Environmental Protection Agency and other agencies' tiered approaches for assessing and listing chemicals' cancer risks when setting workplace safety standards, though the chemical industry is objecting to calls by organized labor and health groups for the agency to follow EPA's risk assessment approach. A top NIOSH official says the agency is considering development of a multi-tiered classification policy when setting recommended exposure limits (RELs), intended to provide guidance to OSHA when setting permissible exposure limits (PELs), the limits that employer