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RE: Radioactivity from burning coal




          Regarding release of radionuclides to the air pathway from coal 
          burning:
          
          EPA examined the need to regulate coal fired boilers with a 
          Radionuclide NESHAP, back when the rules were originally 
          promulgated in the late 80's.  It was determined that the 
          emissions control devices already required for these sources, 
          controlled emissions to the degree that the 10mrem/yr standard 
          would be met, therefore, EPA declined to regulate this source.
          
          Shelly Rosenblum
          Office of Radiation and Indoor Air
          EPA / Region 9