oy Meeting 1246 on November 14, 1956, the Commission had approved the radiological safety criteria for gamma radiation set forth in paragraph 3 of AEC 141/33 with the understanding that Mr. Libby might establish the ten year limit at a lower level than the 10 roentgens referred to in paragraph 3b of AEC 141/33. Mr. Libby then stated that the ten year limit for radiation exposure should be 10 roentgens. Mr. Murray suggested that sub-paragraph 3a of AEC 141/33, which states as the exposure limitation W ". . . 3.9 roentgens for any one year;" be revised to read ", . . 3.9 roentgens for the anticipated test series." The Commissioners agreed to this revision of their previous decision on AEC 141/33. The Commissioners also agreed to delete from the press release the reference to limiting fallout from Operation PILGRIM so that exposures will not exceed 3.9 roentgens. The staff was requested to prepare a draft response to any inquiries received concerning the consistency of AEC exposure criteria for Operation PILGRIM with the exposure criteria recommended by the National Academy of Sciences for the total population of the U.S. After further discussion, the Commission: a. Approved, as revised, a letter to the Presiden’ as set forth in AEC 944/4, regarding Overation PILGRIM; b. Approved, as revised, a press release as contained in AEC 944/4 regarding Operation PILGRIM; ¢,. Noted that draft letters to the JCAE and the Nevada Congressmen similar to those in Appendices "Tl ana "J", respectively, of AEC 944, as revised, will be prepared. SNe | gitekesu, 0. initbbaiak .

Select target paragraph3