11 GROSS ACTIVITY Table 6—~—Results of Analyses Performed at HASL LAND PLANTS HASL|NRDL| Pr. a ateFas MutTE ale BiyaABd, No. No. 8ampune Location ORGANISM 2620.7 Utirik... _. Liklep..... Rongelap.- 4-17-66 4-17-56 4-17-56 4-17-56 4-17-56 4-17-56 4-17-56 4-17-66 4-17-56 4-14-56 4341.7 0.11 40.10 7141.7 |.--.-.-.-----2620.7 0.14 2-0. 06 982:2.2 0. 047-40. 039 6641.7 0.70 +0. 04 3540.7 0.0810. 071 8722.1 0. 0802-0. 043 6122.0) 2.7 +01 1040.7 0.04620. 02 4241.9 0.26 40.11 658 |-.--- do._..... 856 Gegen._. __ 580 Eniwetok__ 726 Eniaetak._. 674 Sifo..-_...766 Utirik....-. 4-14-56 4-14-66 4-14-56 4-14-56 4-14-56 4-14-56 Rongelap.-| 3438.... 523 |--..-Ao-....-|--.-.do. ....-- 3439_... 525 |-----do..._.}-....do... 3613__.3534_.__ 3441__.. 752 803 535 3447__.. 3456__.. 3476__.. 3492._.. 3505... 3519_... Outer and in- Cis? d/mjgram 4-17-56 521 8541....| re d/m/gram C-Date*|d/m/gram 3487_._. 3442... TOTAL ACTIVITY TRSUE Coconut... 536 |...do....-. 807 414-56 Likiep..___ *C-Date: Date of counting. 4-14-46 7,341.1 8.U.« gram Percent Sr Percent Css? 0.22 +0.01 30+1.5 lost 300441) 1803.8 6722.1 5042.2 2641.6 Ca grams/ $0.16 3.6 1.4 0.20 0.19 0.22 lost +0.15 +40. 82 +0. 06 +0.03 +0.06 $6.13 * Sunshine Unit = 0.001 uc Sr®/kg Ca. B. Marine Organisms and Birds Graph 2 indicates the general level of activity in fish at Rongelap Atoll and the decline of activity with time.’ Tables 7, 8, and 9 report the results of NRDL analyses for the February 1955 survey. Tables 10, 11, and 12 are for the February 1956 survey. Tables 13 and 14 show the analyses by HASL.®¢ Table 7—Summary of Beta and Gamma Activity Concentration in Fish and Marine Invertebrates (NRDL)* Ravioactivity CONCENTRATION (yc/kg) (*) LARGE FisH (>) Locarion No. of Speci- mens Rongelap Atoll: North Lagoon. ....-...2---..0------------ Bouth Lagoon...--.-.--.---.-------2-- eee Rongerik Atoll: Eniwetak..--...--.-2..---2.2----2 neon eee : Activity 6 Y 31 0.22 2| 0.23 3 BMALL FISH (*) . O54 No. of Speci- mens Activity 8 1.2 22 7 14 0. 26 2 -2 0. 33 CRABS AND CLAMS 49 No. of Speci- mens 7 1.58 0. 94 4 3 Activity A Y 1.54 1.25 0.49 1.76 SNAILS No. of Speci- mens 2 Activity 8 10.5 7 5.6 —(d) }---2 222 | --e-eee 21 j.--~---- |---| eee] nee] | eee Utirik Atoll: Utirik.. 2-2-2 - eee eee ene [enn ee ene nee] eee eee 6 «14 O04 j---. 22 - eee] eee |e ef eee fee eee ee Likiep Atoll: Likiep-_-----.---- 002 eee eee eee eee 1 0. 02 0. Of 3 »05 0 1 0.12 0.35 [22 --- fee nef eee eee Bikar Atoll: Bikar... .----- 222 --2 2. ene ee nn [ee ne nnn ene [eee eee few ee nee fone ee ene fee eee eee 2 0.39 0,19 |-...-~--1----2---]------(» pe are in terms of CoM equivalent. ©) >150g. (2 <150g. (® No data taken. *Collections made about February 1, 1955. Data reported as of March 1, 1955.

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