TABLE l-A RADIOACTIVITY OF PRG OPEN SEA AREA WATERS Approx Depth GeomaRays Enitted per Minutever Liter(cenr/l)of Sea Water Stations Salinity for in moters Surfece 0 50 100 125 150 200 - 250 6 7 4131 47h 250 300 oo 500 609 809 8 9 435 £0 -45°] 40°) 130] 3h0 210; 300 400 90; 1,000 1,200 1,400 2,009 3,000 4,000 12h0 535} 280} h1O} 740 ib 267| 220] 263 300 260 «| 3504 340 855} 32 as. 1h80 870 580} 580 334 330 120 120 300 375 BohtonDepth 3560]4300 4696 392 2201 £60 §200 5200 5100 29 Ste. 29 (Zo) 340 60 260 180 460] 180 34.55 Zo 34.58 120 £0 399 350 659 4,10 90 6 5h0 490 99 7 110 220 470 25 500 40 40} 314 370 12G] k7O 810} 35.02 35-25 35.42 34.58 37h 410; 29} BuO} 635 34 hl 34.60 34.58 34-59 34.55 | 34.00 34.63 350} 520 1.435 [boo B92; 520! 4300 | 3400 }4800 140 535 34-43 3h 259 TABLE 1-5 RACIOSOTIVITY OF LAGOOS WATERS Station Bikini Atoll, £mru Isiend 8 " ® Mj Nem Nama * Surface 2,350 Mear shore. midpoint of imetcr depth Ailinginae Enivetok Atoll], Parry Island #Note: cepa‘ Probeble Erre: Surface n Bikini Atell, Mid--legoon Deoth Suvface Surface Surface 1,620 2,150 1.2399 1,576 40C 27 % 20 & 15 2 23 % 30 & bes The above values have been corrected to account for a 12% efficiency and a 41% geometry of the scintillatien counter. The averege background due to noise and cosmic rays hes beea subtracted from the reported values. This hes caused the necative and zero values. The nataral K-hO teckground of 94 epn/l has not beén subtracted end is include@ in the above figures. Cc, : . Lf. ek 7 ~ ag - 16 ~- ae Se