Corrections and Clarifications

Project Chariot: Two Groups of Scientists Issue "Objective" But Conflicting Reports

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Science  30 Jun 1961:
Vol. 133, Issue 3470, pp. 2057
DOI: 10.1126/science.133.3470.2057


Seven lines were improperly placed in last week's news report on Project Chariot. The last two sentences of the first paragraph under the heading "CNI conclusions" ( p. 2001) should have appeared at the end of the paragraph beginning "AEC officials . . ." in the preceding column. That paragraph would then read:

"AEC officials complain that the [CNI] report is neither as accurate nor as complete as the general public might suppose. They point out, for example, that the CNI assertion that the strontium-90 yield might be 10 times greater than the AEC believed likely was based on a misreading of an AEC-sponsored study. This study gave 5 percent as the most probable portion of the total radioactive yield that might get into the fallout. But it also estimated that for the particular fallout constituent CNI was concerned with, strontium-90, the most probable figure would be 25 percent. Thus the figure could be underestimated, at most, by a factor of 4, not by the factor of 10 calculated by CNI."