Fuel Cycle Programs, Quarterly Progress Report: July-September 1983 Page: III

                                
TABLE OF CONTENTS

ABSTRACT                                       .  .  .  .  .  .  .  .  .  .  .
SUMMARY.......              ........      .  .  .  .  .  .  .  .  .  .  .  .
I. AIRBORNE WASTES CRITERIA/CLASSIFICATION . . . . . . . . . . .
II. MODIFICATION OF BACKFILL MATERIALS UNDER REPOSITORY
CONDITIONS  0. .  .  .  .  . .  .  .  0. 0. 0. . 0. .  .  . . 0. 0. 0  .  .  .

A. Physical and Radiological Investigations  . . .
1.  Introduction    .  .  .  .  .  .  .  .  .  .  .  .  .
2. Dehydration of Clay Pellets in Air at High

Temperature .

3. Alteration of Basalt by Steam . . . . . .
4. Clay Analyses . . . . . . . . . . . . . .
5. Radiolysis of Vapor and Clay
6.  Discussion          .  .  .  .  .  .  .
B. Mineralogical and Hydrothermal Investigations
1.  Introduction  .  .  .  .  .  .  .  .  .  .  .  .  .  .
2. Characterization of Host Basalt . . . . .
3. Hydrothermal Experiments
III. LABORATORY ANALOG PROGRAM. .   .........
A. Introduction               . . .
B. Compositions of Analog Effluents
C. Auxiliary Experiments . . . . . . . . . . . .
1. Ion Exchange Capacity of Basalt . . . . .
2.  Rock  Surface  Area  .  .  .  .  .  .  .  .  .  .  .  .
3. Groundwater Composition . . . . . . . . .
4. Flow Rate . ..............0.......

D. Retardation of Radionuclides by Basalt  . . . .
1. Analyses of the Fourth and Fifth Analog
Experiments  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .
E. Activities of 152Eu, 133Ba, 137Cs, and 237Np in
Analog Outlet Samples . . . . . . . . . . . . .
1.  Introduction   .  .  .  .  .  .  .  .  .  .  .  .  .  .
2. Results . . . . . . . . . . . . . . . . . .
3. The Sixth Analog Experiment . . . . . . . .

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