Acknowledgments The field portion of the radiological survey of the Marshall Islands was accomplished by a very incense and thorough effort bv people representing cifferent organizacions. The number of samples collected and the amount of information obtained during the survey was a direct result of the cooperation and diligent efforte of the following individuals: N. A, Greenhouse Breokhaven National Laboratory A. V. Kuehner Brookhaven National Laboratory G, S. Levine Brookhaven National Laboratory R. P. Miltenberger Brookhaven National Laboratory J. R. Naidu Brookhaven National Laboratory V. aA, Nelson University of Washington, LRE We are also deeply indebted to the following 3NL personnel who complemented the field work by performing radionuclide analyses on numerous samples that were collected and by precesting all equipment prior to use in the field: J. Balsamo r. Cua J. Gilmartin G. Hughes L. Phillips F, Stepnoski The survey crew extends its thanks for the Nevada Operations Office and Pacific Area Support Office for support services which resulted in a smooth and efficient survey. Support from the Kwajalein Missile Range and the site contractor, Global Associates, as well as from the crew of the R. V. Likcanur is greatly appreciated. The outstanding cooperation of personnel from the Trust Territory of the Pacific Islands and from the Office of the District Administrator of the Marshal! Islands, as well as that of the Bikini people, played on important part in che successful completion of the survey.