B) clo 10 Fig 25 10? Pe mers aus2a 0.7 Me14s a Ne 9? Cactus ¢ 100 hours \ %v 0.05 H+ 105 FRee- TOAMooOar TOTAL Ae « wet) 1 0 48 SLOPE NATURAL BACKGROUNDS. i to* HOURS POST CaCTUS Rongelap External Exposure Rate History Post Cactus duty 1, 2072 0.0076 H+ 160846 September IS, 976 G04 H+1945 YQ04 +1561 00M H+ 1273 Hickory #100 hours as? hon << a 44481 Yellowood + 100 hours 0.02 since July 1,195? 5T EXPOSURE RATE, mR AO AREA EXPOSURE, mit