149 Appendix Table 4. Compariscn of the ratio 23942405, 238py obtained from analysis cf aliquots of dissolved surface sediments measured with and without the addition of radiochemical tracers. . 2394240 Ratio STATION NUMBER gt Pu 1.0. propagated counting error Ist analysis 2nd analysis (with tracer) (without tracer) B-2 2385 B.D, 96. 17. B-3 24.8 + 3.5 24.37 4.2 B-16 (S-8) 150 + 130 62. 112. B-18 31.7.2 1.9 B-19 (s-24) °38py Bip, 125 t 14, ! B~20 2385, B.D, 227 1 27, ! B-22 297 + 99, 186 * 27, B-24 190 * 130 B-27 165 * 61 13 217 B-30 (S-2) 30.1 7 3.0 34.8 7 4,3 C-4 21.2 2 1.5 25.3.° 1.4 c-8 (S-31) 86. + 16. 73.5 7 7.9 C-11 (8-19) 1.94 7 .05 1.92 7 .10 C-11 (5-16) 4.13 2 .29 3.76 ~ .57 p-4 11.47 1.5 8.4 2 2.6 1. Sample spiked. | } See text for explanation. 26.6 > 3.1 208 + 79,