TABLE 6 STRONTIUM 90 IN RICHMOND, CALIFORNIA FALLOUT (Precipitation Collections ) Collection Period from Ee to mc Sr?°/mi 1958 3-20 6-2 2 --- Cumul tives aa oe 5075 2 003k -- -- me Sr Ofnt $r90 gr90 Precipitation in inches -- 6-2h, 6-30 6-30 T-3 02009 2 0.001 0200136 # 0.0005 20-1 28.0 116.3 1267 12.0 ~- dry 18.44 47 ol dry 2 0.00) 2% 0.003 Tel Jel 720 965 4 2 0.001 12.4 22.05 a 176 ‘14.8 ar <22.8 ar Tell J-11 7-18 | 0.019 7-18 7-25 020138 # 0.0005 7-25 8-1 0.081 0.069 8-8 0.007 8-15 8-15 8-22 8-22 8-29 503 902 7-3 8-8 Led 020048 3 0.0005 0.0141 2 0.0005 # 0.002 ~- idst 0.0138 @ 0.0005 00005 0.005 02005 18.2 # 0.001 16.4 2% 0.001 # 0.001 17.0 13,9 ary 69.8 a 32.6 261, 16.8 ry ry ry ¥y 8-29 9-6 9-6 9-13 0.028 2 0.001 0.021 * 0.001 22. 9-13 9-20 0.006 # 0.001 3.8 9-20 9-el, 0.016 # 0.001 15.6 306. 0.005 *# 0.001 5.8 0.014 % 0.001 18.5 < 23.63 0 arg 6 aan * Error term represents the standard deviation of duplicate analyses. ** Values extrapolated to midpoint of collection period. - 51 - y dry 0205