DF Disposition Form. A memorandum form in commonuse bythe military. DIRDNA Director, Defense Nuclear Agency. DNA Defense Nuclear Agency of the Department of Defense. DOA U.S. Department of Agriculture. DOD U.S. Department of Defense. DOE U.S. Department of Energy (established on 1 October 1977; absorbed ERDA). DOI U.S. Department of the Interior. dpm Disintegrations per minute. DRI Desert Research Institute. One component of the University of Nevada system. EA Enewetak Atoll. EC Enewetak Council. EG&G DOE technical support contractor for ERSP field measurements, Las Vegas, NV. EIC Eberline Instrument Corporation, Santa Fe, NM. EB Environmental Impact Statement. EOD Explosive Ordnance Disposal. EPA U.S. Environmental Protection Agency. ERDA Radiological support contractor for ERSPradiation instrument maintenance and calibration and for soil sample collection and analysis. Energy Research and Development Administration; established 19 January 1975. Initial organization of ERDA included the AEC. Formation of the DOE included ERDA. ERDA wasabolished on 1 October 1977 when the DOE wasestablished. ERSP Enewetak Radiological Support Project (of the U.S. Department of Energy). Eu Europium. Specifically, the isotopes !52Eu and 155k, FC Field Command (element of DNA located at Kirtland AFB, NM). fCi Femto curies, 10715 curies. FCDNA Field Command, Defense Nuclear Agency. FIDLER Field Instrument for Detection of Low Energy Radiation. FPDB Fission Product Data Base. FRC Federal Radiation Council. FRST Field Radiation Support Team. A military element (Air Force) of the Enewetak Joint Task Group. xviii