ACKNOWLEDGMENTS
The author wishes to acknowledge Mr. W. H. Zimmer (now of ORTEC, Oak
Ridge), Dr. N. D. Wogman, and Dr. R. L. Brodzinski (of Battelle North-
west Laboratory)
for their assistance in technical advisement; to
Dr. R. D. Fox (of Rockwell-Hanford Operations) for his assistance on
editing and Ms. Trudy Jones (of Rockwell-Hanford Operations)
the original paper.
704
for typing