May 28, 2013 at 08:23 PM
NIOSH chief John Howard says the agency is working aggressively to develop science to bolster OSHA rulemaking -- especially in areas such as recommended exposure limits (RELs) for hazardous chemicals found in the workplace, which support development of OSHA's mandated permissible exposure limits (PELs) -- even as the research agency faces resource constraints and potentially looming budget cuts.