. Aas Po . Basic Consicerations in the the Caicer Risks weiss Assessment: cf and Standards for Internal Alpha Emitters Edward A. Martell National Center for Atmospheric Research Box 3000 te - Boulder, Colorado 80303 January 10, 1975 t (Statement presented at the public hearings on plutonium standards sponsored by the United States Environmental Protection Agency, Denver, Colorado, January 10, 1973 ) oe