af W pa Libby observed that there appeared to be ample time to review the fallout data reports prior to a public announcement. Mr. Libby then requested that itv be determined whether the KCBM has changed its position on the lO-year limit at 10 roentgens. Mr, Strauss requested that the ACBM position be confirmed in writing. After further discussion, the Commissioners indicated that they favored adoption of AEC 141/33 with the understanding that Mr, Libby would estnblish the lO-year limit on exposure et a figure not exceeding 10 roentgens. Tne Commission: a. Approvec the radiological safety criteria for gamma radiation set forth in paragraph 3 of AEC 141/33, with the understanding that after revicw of radiation effects data, Commissioner Liboy may establish the 10-

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