Appendix Table D. Radioactivity of the plankton. Correction factors used to convert counts per minute at time of initial count to d/m/g dry weight at time of collection. Sample no. Date P-1 5/4 P-3 5/5 P-6 P-7 P-8 P-9 5/11 5/9 5/7 no P-11 P-12 P-16 P-2 P-4 P-10 P-13 P-14 P-15 P-17 P-18 P-19 P-20 Initial count Hour c/m Decay factor 2 * 14 " " 10 " 16 At . e/m time Dry weight 3 . 205 14 141 " 10 " 16 .018 .023 .029 .029 5/9 5/10 1720 2155 4,799 26 " " 9, 200 37 . 043 . 053 5/17 620 14,508 " 14,700 .005 " 320 23,324 " 24,900 .005 " 047 5/16 " 5/17 " " 1715 012 tis 52, 526 84,602 18,749 6, 692 845 101,598 940 99, 054 57,980 " " " " 71, 000 92,000 22,000 6,800 " 110,000 " 115, 000 " 62,000 . 029 .010 .0003 .005 99 346 854 434 83,300,000 292,000, 000 15,000,000 —_53, 200, 000 3, 240, 000 11, 300, 000 1, 160, 000 4, 060, 000 2, 450, 000 8, 580, 000 121, 000 698 424, 000 2, 440 9, 200, 000 73,300,000 1, 360, 000 2, 940, 000 32, 200, 000 257, 000, 000 4,760, 000 10, 300, 000 .004 27, 500, 000 96, 200, 000 .016 7, 190, 000 25, 200, 000 .014 4, 980, 000 4, 430, 000 *No decay factor jused because of low counts and long half lives. **Decay extrapolated from decay curves. dry weight 374 124 1,500,000 350,000 94,000 33,500 d/m/g*** 107 . 129 ** " " " 1350 c/m/g 244 111,416 56,681 89,398 29,922 _ collection . 123 0845 1355 i605 1950 5/9 of ***Inoludes correction factor for self-absorption, geometry, and back scatter (3. 5). 17, 400, 000 15, 500, 000