4 ‘b “.. ” . -4 . Observers . . “. -2- . . . . L. Joe Deal AssistantDirectorfor Field Operations Divisionof Operationaland EnvironmentalSafety U. S. Energy Researchand DevelopmentAdministration F -. ., / ,. . . Tormrry F. McCraw XKvision of Operational. and EnvironmentalSafety .,U. S. Energy Researchand DevelopmentAdministration Roger Ray Assistant Manager for Environment and Safety Nevada Operations Office U. S. Energy Research and Development Administration ..P@. B. Dunaway I&ector, Bioenvironmentd SciencesDitision “ NevadaQerations Office ‘. U. S. Energy Research and DevelopmentAdministration . Lt. Cole Edwin T. Stfl, D.V.M.7USAF .. ResearchProgram Coordinator Armed Forces RadiobiologyResearch Institute Defense NuclearAgency . .’ . Bruce W. Wachholz,Ph.D. . Office of the AssistantAdministratorfor Environmentand Safety y. S. Ehe~gy Researchand DevelopmentAdministration . ● . . . . . . . . .,