~2fects. Radiacion there is troo-slight for medical studies to be of interest since no radiasion effects would likely be detectable. Tne urine collectioa and measuremenzs of the body for radioactivity are not medical procedures and are done by technicians. These measurements are important since they fora the basis for reassuraace of the people living on Bikini regarding their radiological safety. Though we are not doing medical examinations if our doctors are at Bikini, as in the past, we will always be glad to sea, treat and prescribe for any people that are sick - but only at the vaquest of the individual or the health aide. Unless requested by the peopie it is aot even necessary for our doctors to go to Bikini. : In 1969 personnel monitoring procedures were begun on a groun of 30 workmen at a work camp on Eneu Island. By 1972 about 3 Bikini fanilies had moved back (about 50) and also about 25-30 workers and agriculsurists. Radiological monitoring at Bikini has been carried out annually since 1969. Tone size of the population has not changed much since 1973. In order to assess the radiological hazard the following personnel monitoring procedures have been carried out: 1. Radiochemical analyses on urine samples: (individual 24 hour aad pooled samples). These analyses requite complicated chemical procedures and are done for us by the ERDA Health and Safety Laboratory in New York city. Such radiochenical analyses have also been carried out on water and local food products. 2. Dirzer measurement of radiation in the paopleby 2amna spectro- stoonie @rnalvsis: To do this tons of radiation-free lead bricks were shiszoed ro tne Marshalls and a shielded counting facility set up in one of our cir- 9052112