Radiological Concerns The srimary radiological proolems are <n@ tesult of residual fission and act:vacion oreduccs ia ine tarresttial environment. They aave Seen wdentiiiad sv orevious anvironmencal surveys as follows: + saema. cadiarion leveis significanc:y aighert cn some .slanas in an acol. :cmpared to Levels on Ligneiy gmtaminatea :siamas. 2) Flasion and activation 2reauct radioactivity in tertain tarteasetial food rams now growlag an .silanas of “hese acoll3s and cne s0ssio.1licy inac umacceotania levels of =nese radionuclides wav accear .2 isods, slants and animals “ewivy wacreduced inco chese acoils. 3) Raatoacezviry ia the ground vatar, wscecdves a sossi3le gource ot irinking water ana wacer for .wrrigation. =) 2lucsonium and ameticiun .4 he surface 301.. These factors are illustracea ov data .n Taples 1. througn 4 taken irom previcus Tadsolcgicai survey cesorss. Table .. JSamma Radiation Races in 3ikiar atoll.” “sR RT T3land 3ixuar deathered areas Close to snere island cancer dot specs Zneu Yam fxposure race Aanzea .JL0",.29 -310+,0306 .920-.9460 -050-.080 -J80-, 120+ .202-,010 CL0=. 330 Ma19r tentribuciorg wads 137 *"" 34, 30rg 777 25 Jucer edge island cencer 4.2. comer 3okancuac, Lomelaa, Rojkera, Sonjedi Agrokaj}edmenmman complex: aAeroka), Aeroxajlol ikdria, Sala .310-.030 .9i5=.150 219-330 .0093-.010 we -JGL-,310 .006=,I10 . “~ belied Zast Zneman dest Zneman -001=,010 3204,570 Zneman faidetk Ease laidrik wese Zaidrixz “uke ceiLece oreken Jo0kaecckrok 3onedrolul Jokbaca Acmen-:rotj complex: Aowen Lomilik Jdrik, I[reij . 1201+. 570 '903+.235 .203~.930 -O10-. 235 -260~. 200 1 ' ' ' $0... +255, 102m, _ * 60 .805=.020 3 010,040 =“ .020-. 330 A 50-5, 7755, 102m, 060,150 -OLS~,045 .O10—,935 929,050 .O12<.030 . Weg, 7554, 192, 137 ca, °" Cs 125 Wee, “sb jee caf. 3. "0 soil sample or field spectra measurements. 7a some cases, the predicted doses and dose coumitmencs derived from survey information for 3ikini and inewerak Acolls approach or even exceed nacional and incernacional radiacion cattaig Living and dietaxy pacterns. Corrective actions or rescriccions musc Se acolls and cheir resources to assure chac che aopiicadie radiation scandaras are lies the orimary iuseificaeion for che conaciautag environmencal followup surveys procection standards for slaced on use of Chesa noc exceeded. Jere:a soonsorad by 20a, Egvirommental Monitoring Tne zost important sources of exposure to seopvle Living on Yongelap end to fucure vesidenes of 3ikini and Enewetak Acolls are 2rem internal decvosicion of radioisotopes from cartain elements in che Auman diet, and from che iong cerm occupancy of islands Aavinog external radiacion dose rates higher than natural jJackground. Aside Grom seriodic re-evalustions co estaolish crends in external dose race reduction, external radiation monitoriog vill assume less significance, comoared co monicoring of the Food cnain, a8 time passes. Af prasenc, annual visics are being made co identity and collect representat.e samples of local diets for laboracory mialysis and dose cowmrment upcates. New locaily grown cod ‘tems are Secoming avarlaoie in smail quamticies on Sikiat (sland as a resuic of she exper:- sental agriculcural sraccices of a small group of carecaxer families iiving thera. Veisher 3ikini Acoli, where tadiologicai cleanup has Seen completed, tor inewecax Acoil where clean up has sot yet Seguo, have 2 supsistence agriculcure resource ia >e1ng which is suffictenc co support che anticigaced sopula- tions «smicn will one cay live chere (though 3sucn crops are currently being developed or planned).