1174 tigher than I970 by factor of about BO. &r-O0 higher by factor of about 6 Memo Oonard to Liverman May 11 1977. May 197) . Beconé in vivo counting of Bikin! residents Collection of large volumes PRE average for 6 individuals in 1974 Two individuals bad of 3 nCi/k&g which is tery pear the maxima permissiMeme Conard to Liverman, May 11, 1977. October 1977: Large volumes urine samples collected under controlled conditions te avoid cross contamination. Results to be available in May 1976. ] . We made resurveys of the Bikini environmen including soi] and groundwaters in 1969, 1970 and 1972. Annual collection o urine saroples for radiation analysis began in 1970, and with those peo- ple who were working for the Mr. Yares. ; Are these only Yessir ame agricultura! and housing projects. Bikinians! P r patEs. Did you have non-Bikinians working for them at that Mr, Dest Tcan't answer thnt.sir. Tr. DELOCNG. It is my understanding that there were other Mar- sballese in the work force who were not from Bikini. Mr. Yares. You examined them as well. Were they examined through that time! Mr. pr Yornce. Yes. as long as they were on the island. Mr. Yarts. Go ahead. Ai_Drar We later included collections from the people who had return living in the houses: monitoring the Bikini residents was done by whole body counts in 1974 and 1977. Mr. Yarzs. What is « whole body count? Mr. Dray. That is a very sophisticated counting system where you essentially sit in a chair and where you have « counter that detects radiation from ‘kz cesium that has been taken up in the body. It actu- ally counts the body's burden of cesium. tr. Yarzs.Ts that thesame strontium ‘od r. Drat_They trave ther in the stronvium is— , ‘ee jy. y You can see t hat th e Mr. Yates. These are like the heavenly twins. Mr. Deat_ou can measure the strontium with urine samples, but we have not been able to see much of that in the urine samples avail- able to date. Ther do the whole body counting sample for cesium. We had a major resurvey of Bikini and Eneu Islands in 1975. RESULTS OF THE 1975 RADIATION SURVEY Mr. Yares. Until “75 you found nothing. What did your tests show! Mr Dray. That is when we began to see the rise in the cesium. — rT. ATES. Will vou place in the record a statement representing the levels you found? (The information follows :] DOE ARCHIVES 300148049