-51. Engineering actions taken during cleanup and rehabilitation operations provide a basis for measurement or other determination of effectiveness and adverse impact. Good initial assurance of satisfactory completion can be given. Fee Fa 2. Advisory actions cover those activites of the returning people and their professional counselors in response to instructions and technical advice on land use, housing sites, dietary usages, etc. Results will be achieved over” a long period and.depend on the conscientious use of advice and counsel and require continuing exchange of information between inhabitants and technical sources. Because of time, human factors, pressures and qualifications, less that thon optimum effectiveness may be prudently expected, despite a strong will to cooperateat flu cul sel. Engineering actions are those upon which the U. S. parties to cleanup and rehabilitation should place the greatest reliance for assuring continuing "as low as practicable exposures." If the U. S, leaves the atoll in nominally safe condition, it can put the control in the hands of the people with a high degree of confidence that Bae gre nc ae LpesSewues wil] not be exceeried to 0% teward—events—will—be-attheminimum. scrap, Siem ticeul decrtt . “Disposal of contaminated construction of permanent housing, selecting sites for any planting of delayed yielding food sources such as coconut and pandanus, and drilling and locating pumps at wells in uncontaminated ground water, are typical engineering actions. hav tus Fhe Decisions, approval and cooperation of the Eniwetok People will be necessary for some of these. S/