National Bureau of Standards, Washington, D.C. and Boulder, Colorado. Seven civilians participated in TG 7.1, and NBS participated in Projects 7.1 and 7.2. No NBS personnel cited in the project reports are on the TG 7.1 Consolidated List. This is understandable for Project 7.2 as it was offsite, but is not clear for Project 7.1, for which NBS had stations on Eneu and Runit. Public Health Service, Washington, D.C. One civilian with a low (0.001- to 0.5-R range) exposure. Military personnel with AEC contractors participated in TG 7.1 as listed below. American Car and Foundry Co., Albuquerque, New Mexico. One military who worked on fabrication of weapon components was listed from this con-~ tractor organization. He was an Air Force officer and his dosimetry is in Table 86 as well as combined in Table 90. Applied Fisheries Laboratory, University of Washington. Five civilians worked on a longrterm survey of radiological contamination on atoll flora and fauna. They took part in the Rongelap and Rongerik re- surveys in March following BRAVO. Cambridge Corporation, Denver, Colorado. TU 13, providing specialized services. This organization participated in After the cancellation of the ECHO- event these services were not required, and its personnel left the PPG in April. Edgerton, Germeshausen & Grier, Boston, Massachusetts. the affiliation for two Air Force personnel. EG&G provided timing and firing electronics and technical film coverage. in both Table 90 and Table 86. Exposures are given : Herrick L. Johnson, Inc., Columbus, Ohio. materials as TU 2. EG&G was given as This contractor produced special Its personnel left the PPG after the cancellation of the ECHO event as these services were no longer required. 405