0.060 y- T 0.050 }- Linear regression line Concentration in mature coconut : = = y = 0.01219x + 0.00473 0.04 040 _ y, ‘o = © Linear regression line © a y = 0.0119x + 0.00327 wo 2 OO - 0.030 7 QO ¢ 3 — 4 = 395, A 0.020 @—— — = 24g 7 Pu | 0.0170 0 0 | ] | 2 it 3 | 4 t Concentration in soil — pCi/g dry weight 239,240 Fig. 7. Correlation of the Pu co neentration in mature coconut leaves with the concentration of 239, 240py in the soil at the same site. In surveys where the number of sam- verify the results, we recommend the ples considered use of small, for any one case is relationships that appear to tionships developed in be statistically insignificant are often extremely significant, since sampling errors may dominate the explanatory variables. the general plant-soil relathis study for subsequent dose assessments. ConcentrationFactors Although Soil profiles with uniform statistical analysis of a larger patterns of nuclide migration are number of samples is necessary seldom to -18- found at Bikini Atoll as a