REDUCTION OF RADIOISOTOPES BY REMOVAL OF SURFACE* SOIL CS—137 | ] ISLAND % CLEANED OF ISLAND PRE- POST IRENE JANET PEARL IN CONC. 3 13 a4 10 31 15 6 16 7 “40 -48 “53 ‘SALLY *TOP 15 cm. 4.5 CS-137 pCi/g_ PERCENTAGE 7 3.5 CHANGE | -50 ‘|
REDUCTION OF RADIOISOTOPES BY REMOVAL OF SURFACE* SOIL CS—137 | ] ISLAND % CLEANED OF ISLAND PRE- POST IRENE JANET PEARL IN CONC. 3 13 a4 10 31 15 6 16 7 “40 -48 “53 ‘SALLY *TOP 15 cm. 4.5 CS-137 pCi/g_ PERCENTAGE 7 3.5 CHANGE | -50 ‘|