-~ 40 - Manhattan ‘sorkers resulted from aspiration of droplets of nicuid solszions of plutonium into the air wherein much larger At the same time, the activity "Oo article sizes would result. of the onlutonium in the narticle would be considerably less than that ior a particle of Pus. For example, it is stated tnrat 14 of the 25 subjects with measurable body burdens of plutenium worked in the recovery operation and that this Ocfarreé wren worxing with solutions containing 1-40 ¢/liter Ci piutonyl nitrate to which H309 was being addac with Fear +% eee i= 5 “inh as ant 3 from tne ea sclstiran with tne Aighest concentration eoraees 7 =- wee Does thereicrs 7 Foard contain oniv 610 4 oCl ud c banal ur oOo : .G(+10 ¢/liczer) Ae a conmsared wlth a un tila om! cr {b it u t Q }4 th Fk 3 This resulted in con- c I~ w rt ~ th 1 oO 'U we J QO Oo f (Lb vt + th ip rk I- Wy f Q jv 1¢ }@ vigorous szirring in an open hood. Tl/’ Fecall irtm Tabie IV that a 0.07 sCi, tha limiting Rotivitv for 2 att varticla, would ¢civ2 2 t23@ cf 1330 renéyes Tl othe surrcounaing tissue in 2 lung inilated to L/2 maxinen. a Di the sarticles cf an inhaled aerosel that ara desesited in tna Gees risctizatory zone cf the lung, virtualiy 2il are <BR cman 3c: in diarster (Seesaiman, UCPE-302297, O95. cit., dD. . 2 2 droslea: izom tne 49 c/liter solution waoula carresrons yauunive ta tna limiting wetivicy of a not mirticle.