Lams GAMMA DOSE RATES aT TIMES ye DETONATION WHEN DECONTAMINATION OF I ZRSOMWEL SHOULD BE RECOKMEMDED ed on Situation of Contanination Existing aoaattvely Large Areas (one-half square foot or more) of the Byoeged_ B Santaninstion Days 1 hour 200 2 hours 100 3% 67 4 * 50 5 * . 49 6 33 ao. 25 10 "* 20 lz =” 17 ah 8 DOLLYAY UNCLASSIFIED .