INDEX
distribution with altitude in 1962 and
1964, 211
distribution with latitude in stratosphere, 212
measurementin air filter samples by
gamma ray spectrometry, 198-99
origin in atmosphere, 693
precipitation effects on deposition,
214-15
Yttrium-30
contribution to total fission product
activity, 30
stratospheric concentration, 327
Yttrium-90 systems (#Sr-%9Y)
activity in 2%6U fission product mixture,
99, 101
Yttrium-91
activity ratios in air during 1962
testing series, 489
activity ratios in stratosphere of
southern hemisphere, 413-15
activity relation to particle diameter, 128
activity in 235U fission product mixture,
99, 101
contribution to total fission product
activity, 30, 33
determination along 80th meridian during
1962 testing series, 487-93
disintegration ratio to %Mo before
Sedan and Smail Boy bursts, 93-6
fractionation index in Sedan and Small
Boy bursts, 94-7
fractionation ratio with Zr, data
from silicate bursts, 72-81
Yttrium-92
contribution to total fission product
activity, 30, 33
Yttrium-93
contribution to total fission product
activity, 30
Yukon
tritium concentrations since 1961, 655-
56, 661
Zirconium-95
activity-particle size relations in
stratosphere, 172
953
activity ratios in stratosphere, 174,
179-80, 411-12
activity ratios in stratosphere of
southern hemisphere, 413-15
activity ratios in surface air, 501-2
activity relation to particle diameter,
115, 117-18
activity in 235U fission product mixture,
99, 101
contribution to total fission product
activity, 30, 33
determination in particles from Dominic
Operation, 108-18
determination in stratospheric aerosols,
158, 163-64
disintegration ratio to Mo before
Sedan and Small Boy bursts, 94-6
distribution with altitude in stratosphere,
169, 171
fractionation index in Small Boy shot,
96-7
fractionation ratios with fission products, data from silicate bursts, 72-81
washout factors, 725
Zirconium-95 systems (95Nb-%Zr),
activity ratios in atmosphere over
Pacific Northwest, 434
concentration in air at Richland,
Washington, 206-7
content in atmosphere over Pacific
Northwest, 433
determination by gamma ray spectroscopy, 185, 198-99
determination in rainwater, 569, 574,
575, 577, 578
determination in surface air, 498
distribution with altitude in 1962 and
1964, 211
distribution with latitude in stratosphere, 212
environmental level studies, 196,
235-38, 242
ground surface amounts at various
times in 1963 and 1964, 188, 195, 196
precipitation effects on deposition,
214-15
Zucchini burst
debris deposition model, 347