GROSS ACTIVITY Table 20—Results of Analyses Performed at HASL s0IL ' ° -_ 3482_.....3483... ...TC 3540... 3548. $494... 3493... 3463... .... 3463... ...- @05 eos @00 819 aig 734 728 7 842 3529....... 762 |...do. 4-14-86 1600-92 3506... 676 |._...do 414-56 6203-79 3530... ....- 3507... .... 768 €82 Entastok. do. do Likiep.. do Eniwetak |...do Gegen |__...do 21-86 65-45 4-21-56 Sa 14-86 2003-40 +-21-56 S03 4-21-56 S65 4-21-86 sa 4-14-56 3000 93 4-21-56 12060 4-14-56 60400470 Utirik. 4-21-56 Bifo. $73 421-56 S57 S0. 42 16200 2040.8 j...--{ S0. 47 1240.71 SO. 58 8041.4 1.04048 |.| 164042. 4 1535400 3.40. 72 69 27 ee | 24 22 441.8 a1 281.0 45 $0. 55 [uw *C-Date: Date of counting. Bee table 34 for estimates of excilabie calcium and of Sunshine Units. D. Water not represent all of the radioactive material that fell on these surfaces. In fact, data from other fallouts suggest a value of about 10-20% Table 21 suggests a relatively high ratio of activity associated with the filtrate. solubility. Tables 18,‘ 21,? and 22 ? show additional data on gross activity found in water sources. Table However, it is probable that much of the insoluble material had settled out, therefore, the values do 23 gives the analyses by HASL:$ Table 21—Radioactivity of Water Samples, July 1954-October 1955 (AFL) (Values expressed in d/m/Iiter+0.95 counting error) Lacoon WatTER Date and IsLanD Untreated Treated Istanp WATER UNTILTERED FILTERED Filtrate ’ a Bongelap Atoll: 7/16/54, Kabelle 12/18/54, Rongelap 1/26-30/55, Eniaetok. Kebelle__......-.... Labaredj.... Lomuliial. R jap. ote eeeen10/21-22/55, Kabelle.....- 22-2 -- ean ee nee eee nee eeneens Labared}... Rongelap. meetinnanna ne Aflinginae Atoll: 10/23/65, Enibuk - - . - eons 33002-3200 |..-.. 330042700 68004-3000 86003-3000 560043000 35001600 00021500 ~---| |.-..--...-..-|..--..-----... 2-2. [.-.----.-----4104150 Residue 380003:190* 18004-1808 |-..-..-..-.. ~ 170003220088 . 480002-3200°* [2 eee 250004: .....2---2--.-}------ ea nnee eee 42004.1800° |. - 2 - 2. - 450160 |. -ee eee fee eee een eneeeeeecnone 19003-1600 604120 5404-120 53004140 1300+88 310-4190 49004-2000 8502140 T6ALIE 1200+:34* 75419" 1600+1400 802130 14004091 8204140 820568 *From cistern near schoolhouse; #from well back of schoolhouse; **ground water; ##standing water from can, drum, ete.; *** from elstern with collapsed roof. Date of analysis: November 18-20, 1955. DOE ARCHIVES