,. ● ~.EVELOF’MENT ASSOCIATED OF SOIL. CONCKNTWTIO1f~ —.—.— 239, z~opu l~? AIR l~ITH MF’C FOR . . ILL RESUSPENSION-Y.+CTOR MASS - LOADING APFRO-4CH APPROACH LA-5483 1, 000 pci/g 600 pCi/g - MS* ● . *“A PROPOSED INTERIM BY J. W. HEALY ST}.h7DARD FOR PLUTONIUM IN SOIIS, **THE VALUE 400 pCi/g WAS RECOMMENDED FOR ALL RARTICLE SIZES PROVIDED NO MORE THAN 200 pCi/g in <100 Mhf SIZE FI?ACTION. I “