(2) Change USN Element as lst Increment Phaseout Final Phaseout e. follows: (5 persons) (3 persons) - 15 Apr 79 - 1 July 79 Page Y-1-I-1 Change line 17 to read - 4 persons in Apr 79 and - 2 persons in July 79 Change line 18 to read - July 79 f. Page Y-1-J-2 Change line 4 to read - End of tour, June 79 Change line 6 to read - End of tour, May 79 Change line 7 to read - End of tour, July 79 ADD: "Any further requirements between June and October 79 will be as TDY." Page Y-2, line 27 - Change DOE to DOI. Page Y-1-B-2 Insert new entry to read: "1 Oct 79 - Shutdown and commence demobilization of liquid nitrogen plant." Page Y-l1-H-2, lines 14 and 15 An uncertainty, at present, is whether or not another phase of soil sampling may be required to deal with Strontium-90 questions. If so, then the surveyors and draftsman would be needed during that period which should end by June 79 at the latest.