ABBREVIATIONS AND ACRONYMS ADC Analogue Digital Converter. AEC Atomie Energy Commission. AEC was abolished on 19 January 1975 and many functions transferred to the newly created ERDA (cf). Am Americium. Specifically, the isotope 2414m when the mass numberis omitted. AS Amersham-Searle. AFRRI Armed Forces Radiobiology Research Institute. BAF Brush Attenuation Factor. More accurately BCF (ef). BCF Brush Correction Factor. Factor applied to the in situ gamma measurement to adjust for the presence of vegetation in the detector field of view. BX Base Exchange. Commander; ef CJTG. CDC Control Data Corporation. CEQ Council on Environmental Quality. CHEM Chemistry. Usually refers to the wet chemistry component of the Enewetak Radiation Laboratory complex. Ci Curie. The quantity of any radioactive species undergoing 3.7 x 1010 nuclear disintegrations per second (dis/seq). Millicurie = 0.001 curie = 3.7 x 10‘ dis/sec. Microcurie = 0.000001 curie = 3.7 x 104 dis/sec. CJTG Commander, Joint Task Group. ecm Centimeter. Co Cobalt. Specifically the isotope 60Co, CONEX Container Express. Metal shipping container with approximate dimensions 4' x 6' x 8', CONPLAN Concept Plan. An information technique used within DOD to provide general guidance for justifying a proposed major project. See OPLAN, epm Counts per minute. eps Counts per second. CR Congressional Record. CRT Cathode Ray Tube. Cs Cesium. Specifically the isotope 137s, DES Draft Environmental Impact Statement. xvii