Table 4 STRATOSPHERIC RADIGNUCLIDE CONCENTRATIONS NG OCTOBER 1968 on COUN | oad DIENT Ph fen ona As Ovo | a CO) ALCO) Poe pe Oo 1187.1 # 296.98 198. 5# et TOW i OO St hb GROSS GAMMA {(CPM/KSCM) PC/KSCM IRGN-55 5460 STRONTIUM~89 206A II - STRONTIUM-90 426 ZIRCONIUM-95 27f5a 71 CERTIUM-144 2560 104 28.5 165 POLONIUM~210 1.228 2048A PLUTONEUM-238 7261 6.77 PLUTONIUM-239 10.0 1.98 3.09 »883A Li, tb. Lit I> <I OOok—-r bet bens C9 C7) feb wae LE Ld Ome I< toned tones CT) fe Pll LLL Pe CaO tomt Ot ot tu <t ag> I<TO= = Oo 2a Ot ett oc b= = <f MWA AW) Zw) WWtO a te te te zzkeo MM +7 “TOD tt Ft COLLECTION