The comprehensive list of radioactive effluents is contained in Appendix A. This list gives the relative ranking factors for each effluent associated with each of the three fuel cycle scenarios. The ranking factors for the whole body, thyroid, gastrointestinal tract, and lung are listed. Gross release of radioactivity in curies is given for the hundred-year period and for the year 2000. Appendix B lists the year 2000 and the hundred-year total for each of the three scenarios for nonradioactive releases from each plant in the nuclear fuel cycle. Tables of the amount released and of the dilution factors are included. Appendix C contains a list of the accumulated dose to the population from unit annual releases of each of the highest ranking radioactive effluents. A 40-year plant life with 30 years of additional dose accumulation at the midwestern reference site is assumed. Radiation exposure pathway summaries and combined pathway totals are given for air and water releases. These doses are used to calculate the total man-rem savings for each control technology. The cost-benefit ratios (in units of $/man-rem) are based on these man-rem savings numbers, and are included in the discussion of each effluent control alternative addressed.

Nine alternative LWR fuel cycles are analyzed in terms of the isotopic content of the fuel material, the relative amounts of primary and recycled material, the uranium and thorium requirements, the fuel cycle costs and the fraction of energy which must be generated at secured sites. The fuel materials include low-enriched uranium (LEU), plutonium-uranium (MOX), highlyenriched uranium-thorium (HEU-Th), denatured uranium-thorium (DU-Th) and plutonium-thorium (Pu-Th). The analysis is based on tracing the material requirements of a generic pressurized water reactor (PWR) for a 30-year period at constant annual energy output. During this time period all the created fissile material is recycled unless its reactivity worth is less than 0.2% uranium enri~hment plant tails. i i ; Among the authors, R. L. Aaberg performed the analysis of Cycles A and B as well as programming the routine which computes the separative work, and migration of the minor isotopes in the enrichment cascade. A. J. Boegel performed the analysis of Cycle C, and wrote the fuel cycles description section of the report. He also contributed to the original plan of analysis. C. M. Heeb guided the revisions to the LEOPARD code, and was responsible for the overall analysis effort. U. P. Jenquin studied the effect of resonance interference and evaluated the 232 Th resonance integral measurements and calculations. D. A. Kottwitz created the new 240 pu resonance treatment in LEOPARD. M. A. Lewallen selected the unit cost assumptions and wrote the section on uranium and thorium requirements. E. T. Merrill wrote the original flow diagrams which form the basis of the analysis, did the cash flow analysis for the power costs, and wrote the economics sections of this report. A. M. Nolan performed the analysis of Cycles D, E, G and H, wrote the fissile loading search subroutines in LEOPARD, wrote the introduction, and the section on non-proliferation and diversion resistance.

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