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OCR for page 180
D Acronyms AEA Atomic Energy Act (1954) CERCLA Comprehensive Environmental Response, Compensation, and Liability Act CFR Code of Federal Regulations DNAPL dense non aqueous phase liquid DOE U.S. Department of Energy DQO Data Quality Objectives DST double-shell tank DWPF Defense Waste Processing Facility (Savannah River vitrification plant) EM Office of Environmental Management EMSP Environmental Management Science Program EPA U.S. Environmental Protection Agency ERDF Environmental Restoration Disposal Facility FY fiscal year GAO U.S. General Accounting Office HOW Hanford Defined Wastes HEIS Hanford Environmental Information System HLW high-level waste INEEL Idaho National Engineering and Environmental Laboratory IPEP Integration Project Expert Panel IRIS Integrated Risk Information System (EPA) LLW low-level waste NRC National Research Council PNNL Pacific Northwest National Laboratory PUREX Plutonium and Uranium Extraction RCRA Resource Conservation and Recovery Act ROD record of decision SAC System Assessment Capability SST single-shell tank S&T Science and Technology STCG Site Technology Coordination Group SWITS Solid Waste Inventory Tracking System TCD Tank Characterization Database TRAC Track Radioactive Component TWRS Tank Waste Remediation System USGS U.S. Geological Survey WIDS Waste Inventory Data System WIPP Waste Isolation Pilot Plant WSTB Water Science and Technology Board 180