* taknae hte ae te ee ee A ge ~. .4 - wb "Appendix A" Table 1. Strontium-90 Production from United States Nuclear Weapons Test Operations Strontium-90 Production (kilocuries) Datea Operation and Site 7/16/45 Trinity (New Mexico) 8/8/45 Less than 1 ub Greater than ee oe 1 mrb Total 1.7 -- 1.7 Japanese Bombings 3.5 -- 3.5 7/1/46 Crossroads (Bikini) 3.3 -- 3.3 5/1/48 Sandstone (EPG)C 12.9 -~ 12.9 ae 2/1/51 Ranger (NTS)C 4.2 -- 4.2 mee 5/1/51 Greenhouse (EPG) 52.0 _ 52.0 | 11/1/51 Buster-Jangle (NTS) 845 -~ 8.5 5/1/52 Tumbler-Snapper (NTS) 12.0 -- 12.0 a? 5/1/53 Upshot-Knothole (NTS) 30.2 -- 30.1 a 11/1/52 wy 4/1/5h Castle (BPG) ) * (EPG) Oy, 92.3. 3721.9 m Lv 4/1/55 Teapot (NTS) 19.0 -- 19.0 7/1/56 Redwing (EPG) 85.8 862.0 94.78 325.3 491.5 4816.8 Total Total (per cent) 6.8 3629.65 93.2 ag oP | vee aan -- a. Where an operation consisted of more than on detonation, the date given is approximately the midpoint of the series. b. Based on total fission plus fusion yield. c. EPG and NIR refer respectively to the Eniwetok Proving Grounds in the Marshall Islands and the continental Nevada Test Site. % Combined for declassification purposes. ow. metes Pe ew oe 1 oh :ie tee , f GoaWe Chae! y wt “ aE is hone 4 rye vai B au