RADIGISOTOPES [TN RAINWATER Report No, 74 = Seotember 1968 to December 1968 Sampling Period Start 9= 2 Finish 10-1 Activity + 6.5 59* Accumulated Total or average for 1968] lo-2] ur~3 1153,5+ 31 445* 2 84 262, 105* 1415,5 » 31.5] 550* li-1l 190 + 6.4 73* 1605.5 + 32.0{ 12-1 178 2+1-69 Accumulated total. or average for 1968} 623* 69* 58296 + 400 27B9G% + 81 6360 2430* 64,590 + 408 25,320* 543 + 32.5 214* Accumulated total or average for 1968{ 4530 + 67.1 + 4,9 1783.5 + 32.0) 692* 65,133 + 420 25,534* ~ 65,133 + 420 25,534* Ba cat 3? 186 + 1.9 140,._90 /Sr S¢9el 137 ts°"'/Sr Collector 4.90) lft. diameter Rain Remarks Inches 29.6 1.22 4,43 1289 + 32.0 50.5 Leil 52.88 555 + 5,8 24 2,12 1744 + 32,0 660,5* 46 1,21 61.28 214 2.93 1,12 2.07 1,20 63,35 ~ 1.69 4,90 36,6 1.24 67.33 1750* Accumulated total or average for 1968; 12-1 Stainless microcurie/Sq. mile gal 40 gp7 153 $41°14' €174°55! {Monthly Pot Sample 71,5* 446,5% 214* + 6.7 i 8.40 |Manthly Pot Sample Ssr*” probably low Manthly Pot Sample 82,5* 1958 + 32.7 743* 296 + 3,2 114* 2254 + 33 8S7* 40.7 f@anthiy Rat Sample Sr3Q preahably low * Microcuries per square kilometer Note errors quoted are purely counting errors and do not includs experimental errors or calibrations uncertainties, ee Station + Gracefield, Lower Hutt me Ee INS-50/113/- Phe. ea