The Hanford Environmental Dosimetry Upgrade Project was undertaken to incorporate the internal dosimetry model c, recommended by the International Commission on Radiological Protection (ICRP) in updated versions of the environmental pathway analysis models used at Hanford. generation of Hanford environmental dosimetry computer codes is compiled in the Hanford Environmental Dosimetry System (Generation 11, or GENII). The purpose of this coupled system of computer codes is to analyze environmental contamination resulting from acute or chronic releases to, or initial contamination of, air, water, or soil. This is accomplished by calculating radiation doses to individuals or populations. The resulting second GENII is described in three volumes of documentation. The first volume describes the theoretical considerations of the system. a Users' Manual, providing code structure, users' instructions, required system configurations, and QA-related topics. The third volume is a Code Maintenance Manual for the user who requires knowledge of code detail. includes code logic diagrams, global dictionary, worksheets, example hand calculations, and listings of the code and its associated data libraries.

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The method for ranking hazardous and radioactive waste sites that is described in this document is a combination of two methods separately developed by the MITRE Corporation and Pacific Northwest Laboratory (PNL). The method for ranking hazardous waste sites was developed by The MITRE Corporation under contract to the U.S. Environmental Protection Agency (EPA). It was originally published in the July 16, 1982, Federal Register as "Uncontrolled Hazardous Waste Site Ranking System, A User's Manual (HW-10)." The method for ranking radioactive waste facilities was developed by PNL under contract to the U.S. Department of Energy (DOE). This document is intended to assist those individuals who are responsible for identifying and evaluating inactive waste sites per the requirements of DOE Order 5480.14. Questions regarding the status of specific DOE facilities under the Comprehensive Environmental Response, Compensation and Liability Act

Thisdocumentis one of two preparedby the EG&G Idaho,Inc.,Waste ManagementTechnicalSupportProgramGroup,NationalLow-Level Waste-ManagementProgramUnit. One of severalDepartment of Energyresponsibilities statedin the AmendmentsAct of 1985 is to providetechnicalassistance to compactregiens,Host States,and nonmemberStates (to the extentprovidedin • appropriations acts) in establishing wasteminimization programplans. Technicalassistanceincludes,amongotherthings,the development of technicalguidelinesfor volumereduction options. Pursuantto this defined responsibility, the Departmentof Energy(throughEG&G Idaho,Inc.)has preparedthis report,which includesguidanceon defininga program, State/compact commissionparticipation, and wasteminimization programplans.