. e IIEVELOPLIEXT ASSOCLATZD OF SOIL. CONCENTR-.4TlON& I\’ITH LIPC FOR 239’ 240PU IN AIR . . LLL .— RESUSPENS1ON-FACTOR MASS - LOADING APE’RQACE APPROACH 1,000 pci/g 60(1 pCi/g ~oo ~ci,g*’: . . . X“A PROPOSED 7YTERHM STANDARD BY J. We HEA”LY FOR PLUTONIUM **TH”E VALUE 400 pCi/g WAS RECOMNfEhTDED FOR ALL PARTICLE SIZES PROVIDED NO MORE THAN 200 pCi/g in <100 W*M s~zE F~cT~OhTC