TABLE 6 STRONTIUM 90 IN RICHMOND, CALIFORNIA FALLOUT (Precipitation Collections) Collection Period from to me sr70 /ni® CUBR:eogoo ISTE 5-20-58 3-21-58 2.655 0.539 2 0.188 2 0.012 1.597 20.265 1 p 1.16 3-21-58 5~2h-58 0.882 0.841 2 0.019 2 0.016 2.453 % 0.268 is 3s 2.45 3-2),-58 3-26-58 0.0881 2 0.0048 0.0936 + 0.0051 2.5u, 20.271 5h a 0.06 3-26-58 3-28-58 0.2085 2% 0.0096 0.351 # 0.012 2.824 t 0.289 “6 Pe 0.h0 3-28-58 4~1~-58 0.920 1.117 # 0.018 # 0.023 3.842 4 0.311 a a 2.58 ip -L-58 1.012 0.900 2 0.018 # 0.016 4.798 % 0.331 iS $5 1.84 L--58 0.386 0.451 +2 0.008 2 0,007 50166 2 0.332 35 fe 0.73 L-7-58 h-14-58 0.0070 2 0,0005 0.0079 2 0.0006 5.173 * 0.332 i we 0 L-14-58 1-21-58 0.0027 # 0.0002 0.0038 + 0.0003 50176 4 00332 ie ie 0 -21-58 l-28-58 0.0042 * 0.0003 0.0035 Zz 0.000) 5.180 4 0.332 i 2 0 yj=-28-58 55-58 0.0051 * 9,0002 0.0038 2 0,0002 5.185 2 0.332 i" iB 0 55-58 5-12-58 0.062 0.065 + 0.002 2 0,003 5.29 2 00332 i 5-19-58 5-24-58 0.266 0.353 *% 0.005 2 0,010 54559 20.537 6 5~-2h-58 &-1-58 0.020 0.014 2 0,001 +4 0.001 56576 2.00337 tg an 0.80 6=2-568 6-9-58 0.092 0.095 + 0.002 # 0,002 5.670 0.337 tp 35 0643 6-9-58 6-13-58 0.039 0.072 # 0,001 + 0.002 5.726 + 0.338 2 Be 0.04 6-13.58 6-20-58 0.010 2 0.001 5.73E 20.338 3d Moe 0 6-20-58 6-2),-58 0.010 0.010 2 0,001 # 0,001 56748 * 0.338 we 16 0 0.014 #4 0.001 ie 3 0 0 * Values extrapolated to midpoint of sampling period. ** Error term represents either the standard deviation of duplicate analyses or the counting error, whichever is greater. is used, Where only one analysis has been made, the counting error - 4B -