TABLE 4.7 DIP-~COUNTER CONVERSION FACTORS Unless otherwise noted, all factors given are based on a direct dip count and radiochemical analysis for Mo", designators and bottle numbers are given in parentheses. Station Source Shot Zuni Shot Flathead x lof 62T A. x 108 ‘ Shot Tewa x 10° x 108 Fissiona/(dip counts/min at 100 hrs) YAG 39 occ 0.530 (C21) * 0.945 (C-21) YAG 40 occ Ocean surface 1.02 (B-6) 0.906 (S-1B, 8,254) 1.006 (B-4) * _ McGinty Ocean surface Ocean surface B. Shot Navajo Sample Decay tank Ocean surface 1.853 (T-1B, 8,035) 4.537 (S-1B, 8,030) _ _— 0.774 (T-1B, 8,549) 1.137 (S-1B, 8,544) 1.285 (C-21) 0.960 (T-3B, 8,585) 1.430 (S-3B, 8,581) 1.248 (B-4)* 1,02 (C-21) 0.645 1.525 0.817 1.709 (T-1B, 8,350) (S-1B, 8,326) (B-4)* (S-2B, 8,289) 0.726 (MS-5A, 8,052) 1.09 (MS-5B, 8,053) _ =_ Fissions/(dip counts/min at 200 hrs) ¢ YAG 39 occ Decay tank Ocean surface Method I Method I 1.37 2.16 11.76 2.33 2.61 2.46 4.80 3.36 2.51 3.73 4.03 3.23 + 0.39 1.77 2.45 1.55 3.66 2.46 2.90 + 0.61 * No OCC aliquot counted in dip counter; computed from Table B.13 and doghouse /dip average ratio in Table B.15. +t Tank unacidified and unstirred when sample taken. } Values in A corrected to 200 hours by average photon-decay factors 2.59, 2.29, 2.61, and 2.40 for Shots Zuni, Flathead, Navajo, and Tewa, respectively. These decay-curve shapes are practically identical to those shown in Figure B.14 over this time period. 1