~4radioactivity in conventional technological situations as treated by Tekt pre FRC, NCRP andBRP. Radionuclides in the land, lagoon and sea A environment are predicted to pass through various pathways to man, To the extent that practical measures can reduce exposures, there is a degree of control available to inhabitants. nt in <As-an-upper—timit- adiatior justifiebte/accéptabtie-at-Eniwetok te f jel A A Benefits associated with the return (ofthe Eniwetok Peepte] been Cv wet [arttivhave Go-testated by thePeople. Recovery of property, use of land, lagoon and sea resources with minimal restrictions, obtaining new housing and community facilities, and acquiring structures, ther etc., left behind by the U.S.A. qualify as benefits frem fenéj viewpoint. In this case, unlike some nuclear technology applications, risks and benefits apply to the same persons; nevertheless there may be some variation among Eniwetok families because of variations in ‘conditions between the family owned land holdings. Steps taken to reduce exposures may have undesirable consequences. Actions causing soil disturbance may reduce food crop production; inability to construct a permanent home on an island for a period of years would inconvenience the owners. The concept of net benefit must be kept in mind ,fand—evetueted, Remedial measures Engineering and advisory actions are the two categories of DP) remedial measures.