REDUCTION OF RADIOISOTOPES BY REMOVAL OF SURFACE* SOIL SR—90 ISLAND % OF ISLAND IRENE 3 47 31 -33 JANET 13 69 32 11 -54 " -61 12 4 -67 PEARL SALLY * TOP 15 cm. 44 4.5 SR-90 pCi/g 28 PeaANGE
REDUCTION OF RADIOISOTOPES BY REMOVAL OF SURFACE* SOIL SR—90 ISLAND % OF ISLAND IRENE 3 47 31 -33 JANET 13 69 32 11 -54 " -61 12 4 -67 PEARL SALLY * TOP 15 cm. 44 4.5 SR-90 pCi/g 28 PeaANGE