EPA FINDS HIGH RADON LEVELS IN SCHOOLS; NATIONWIDE TESTING IS RECOMMENDEDLarry Tye, Globe Staff
The final PM2.5daily standard established in 2006 was among the less stringent within the range of alternative levels recommended by EPA staff, and the annual standard is not as stringent as the standard recommended by the CASAC. The decision to retain the annual PM2.5standard was also less th...