Order number 940330-160606-96 -001-001 page 15 set 11 with 111 of 111 items the impact of these operations on the health and radiological safety of the people living infor planning to return to their contaminated homelands is still an important concern. The present Brookhaven National Laboratory (BNL) Marshall Islands Radiological Safety Program (MIRSP) began in 1987 with funding from the US Department of Energy (DOE). The objectives of the MIRSP are to determine the radionuclides present in the bodies of those people potentially exposed to residual radionuclide from weapon tests and fallout, and to assess their present and lifetime dose from external and internal sources. Field bioassay missions involving whole-body counting (WBC) and urine sample collection have, therefore, been important program. WBC is used to measure as {sup 40}K, {sup 60}Co and {sup 137}Cs, present in individuals. Urine samples are used to measure {alpha} and {beta}-emitting nuclides such as {sup 239}Pu and {sup 90}Sr, that are undetectable by WBC routine methods. MARSHALL ISLANDS/human populations ;HUMAN KEYWORDS EDB Item components of the {gamma}-emitters, such POPULATIONS/radiation doses ;BIOASSAY;URINE;POTASSIUM 40; COBALT 60;CESIUM 137;PLUTONIUM 239;STRONTIUM 30; QUALITATIVE CHEMICAL ANALYSIS; FALLOUT; NUCLEAR WEAPONS 21 PRIMARY REPORT NUMBER TITLE ENGLISH SUBTITLE ENGLISH PERSONAL AUTHOR/AFFIL CORPORATE TEXT PUB. DATE (YYMMDD) LIMITATION CODE ABSTRACT BNL--45868-Rev.12/91 Radiological dose assessments in the northern Marshall Islands (1989--1991) Revision Sun, L.C.; Meinhold, C.B.; Moorthy, A.R.; Clinton, J.H.; Kaplan, E. Brookhaven National Lab., Upton, NY (United States) 911200 UNL The Republic of the Marshall Islands (RMI) is located in the central Pacific Ocean about 3500 km southeast of Hawaii and 4500 km east of Manila, Philippines. It consists of 34 atolls and 2 coral island, having a total land area of about 180 km{sup 2}, distributed over more than 2.5 {times} 10{sup 6} km{sup 2} of ocean. Between 1946 and 1958 the United States conducted nuclear tests there: 43 at Enewetak and 23 at Bikini. Thixty-three years after the cessation of nuclear testing in the RMI, the impact of these operations on the health and radiological safety of the people living in or planing to return to their contaminated homelands is still an important concern. The present Brookhaven National Laboratory 20034449 (BNL) Marshall Islands Radiological Safety

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