-~10British nuclear reactor at Vinducale accidently emitted a very considerable amount of radicactive debris. Detailed monitoring measurement: showed that pasture land contaminated by this fallout preduced ailk so heavily contaminated with fodine 132 as tec necersitate that it be dumped. The scientific studies or the windscale 4: faster provide valuable data which can be us.:d to cevelop the proper interpretation of the monitoring meeatrenents in the regicn of the Nevada Test Site. Although the important aifferensea between the hazard of ex=- ternal radiatiot from faiiout. and the internal hazard, es- pecially to the thyroid, ‘vas recognized by at least one AEC official in 1959 “see Gordoa Du..ning testimony to Sudcomittee on Research., Deve’opmert and Radiation, Hearings, 1959, p. 445) mon, "ozing proc. dures, and interpretation cf results were not alterod to briag them in line with this concept. Thus, the inadequate intecrpretative precedures which have until now obscured the toue haseri resulting from short-range fallout from nuclear vests ir Nevada, could have been corrected some years ago. 9) Correetior of a desert ibed inadequacy of monitoring procciuses would aflect mov aun: y estamatec of hazard from atmospheric and uniorgrourd wuclear tests, but also hazards possible fron acclists oftecting ruciear reactors, which also produce ‘odin Lito nevis On the tastes of the Tecegerne considerations, the analysis of the hazard rrom fallout in the region of the Nevada Test