The shot cab held 9 tons of sand, and 15 tons of paraffin as instrument shielding. Device width 18 inches, length 31.6 inches. The device, developed by Los Alamos Scientific Laboratory (LASL), weighed 295 lb (total weight), the nuclear system by itself weighed 144.6 lb. XW-40 light weight boosted fission warhead test. To go to the National Cancer Institute and get the full report, click here. From National Cancer Institute Study Estimating Thyroid Doses of I-131 Received by Americans From Nevada Atmospheric Nuclear Bomb Test, 1997. This can be expected to eventually cause about 38,000 cases of thyroid cancer, leading to some 1900 deaths.Ĭhart of fallout exposures from Plumbbob (59 K, 539x577). This produced total civilian radiation exposures amounting to 120 million person-rads of thyroid tissue exposure (about 32% of all exposure due to continental nuclear tests). This was more than twice as much as any other continental test series.
Plumbbob released some 58,300 kilocuries of radioiodine (I-131) into the atmosphere. The LASL shots were named for deceased scientists, the UCRL shots were named for North American mountains. Tests, safety tests, and component and mockup testing for thermonuclear systems to be detonated in Hardtack I, among other things.ĭuring Plumbbob 16,000 DOD personnel participated in the Desert Rock VII and VIII exercises.
This series addressed several objectives, including tactical weapon proof Six of these were safety tests, and two did not produce any nuclear
It was the sixth test series at NTS and consisted of 29 Operation Plumbbob 1957 - Nevada Test Site Last changed 12 July 2003 Operation Plumbbob was conducted at the Nevada Test Site (NTS) from May
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