AO Nhe cate aptaie etn ee 43 Also mentioned in the NCRP Report (NCRP, 1977a) were 54 J3- to l4-month-old beagles injected with !37Cs and studied at the Inhalation Toxicology Research Institute. A later summary (ITRI, 1981) reported that 1) acute deaths were observed, and 20 of 32 dogs that survived acuteeffects died of cancers. Eleven were stil] alive. Dosages ranged from 0.9 to 4.0 mi .) 137Cs/kg and total doses ranged from 600 to 2200 rads.