,. ~EVELOPMENT ASSOCIATED OF SOIL. CONCENTP&TIONS_ U’ITH hlPC FOR 239’ 240PU IN AIR . . LLL RESUSPEXS191J-FA MASS - LOADING CTOR APPRO-kCH APP120ACH L4-5483 1, coo pci/g 600 pCi/g - d .,+>y- 400 pCi/g . * . *“A PROPOSVI INTERIM BY J- Wo I~i2.ALY STANDARD FOR PLUTONIUM IN” SOIN, XXTHE VALUE 400 pCi/g WAS RECOMMEhTDED FOR ALL P_ARTICLE SIZES PROVIDED NO MORE THAN 200 pCi/g in < IO() M.M SIZE FRACTION. “