NEW EPA GUIDE ON IMMUNOLOGICAL RISKS MAY TIGHTEN EXPOSURE LIMITS

EPA is planning new guidance to weigh for the first time how chemical exposures may increase human susceptibility to diseases by disrupting the immune system, a key agency official said. The upcoming guidance could in time make such information on indirect health effects a key part of agency risk assessments and lead to stricter limits for chemicals. EPA currently does not consider such effects in deciding acceptable risk levels for chemical exposures because it lacks methods for interpreting such data,...