2 Table 1. 1. List of Reports and Letters Containing Data Included in this Report. 3 July 1974 Letter report from A. H. Seymour to Tommy McCraw (DOS), cc to John Stewart (NVOO - ERDA}. Results of the y-spectrum analysis of 57 samples from Bikini and Rongelap in April, 1974. 14 March 1975 Letter of V. A. Nelson to William Robison (Lawrence Livermore Laboratory) cc to Tommy McCraw (DOS/ERDA), Roger Ray (NVOO/ERDA). Results of analyses of samples collected at Bikini Atoll! in April and December, 1974. Thirteen tables: and 5 iron-55, 41 y-spectrom analyses; 34 strontium-90; 34 plutonium; em noma ate For Bikini dose assessment study by LLL. 11 July 1975 Letter of V. A. Nelson to Robert Conard (Brookhaven National Laboratory). Results of the analyses of 36 blood samples collected at Utirik and Rongelap Atoil in April 1974. Iron-55 and iron on all 36 samples. 31 July 1975 Letter of V. A. Nelson to Paul Gudiksen (LLL) cc Roger Ray (NVOO/ERDA), Tommy McCraw (DOS/ERDA). Results of the gamma-spectrum analysis of 64 soil samples collected on Bikini Island in April and December, 1974. For Bikini dose assessment study by LLL 26 September 1975 Preliminary report, "Radiological Surveillance of Christmas Island, August, 1975," by A. H. Seymour. Sent to W. S. Brown, General Manager, Gilbert and Ellice Islands Development Authority and to Tommy McCraw (DOS/ERDA) Results of 30 y-spectrum analyses of samples collected on Christmas _ Island in August, 1975. 16 June 1976 Oral presentation by V. A. Nelson to Tommy McCraw and Joe Deal (DOS/ERDA). Results of 404 y-spectrum analyses; 302 905, analyses, and 26 Pu analyses completed on samples collected in the Marshall Islands in 1974 and April, 1975 (31 tables of data were left at DOS) 9 September 1976 . Letter from V. A. Nelson to John Stewart (NVOO/ERDA). Results of 254 y-spectrum analyses and 159 Pu analyses of soil samples collected in the Marshall Islands in 1974 and 1975.