942
INDEX
tritium content in 1963, 673
Predictions
(see Forecasting)
Pretoria, Union of South Africa
tritium concentrations since 1961, 652,
657
~
Project Springfield
(see Springfield Project)
Project Star Dust
(see Star Dust Project)
Project Stemwinder
(see Stemwinder Project)
Promethium-147
activity relation to particle diameter, 128
activity in 235U fission product mixture,
99, 101
contribution to total fission product
activity, 30
Promethium-149
contribution to total fission product
activity, 30
Puerto Montt, Chile
air sampling in 1957-1963, 479, 482,
484, 487, 619+22
Pulse analyzers
atmospheric radioisotope sample
studies, 432
debris analysis from Sedan and Small
Boy shots, 87
gamma ray spectroscopy, 183-97, 199,
235
photopeak position location, 186
surface air sample studies, 497, 498
Punta Arenas, Chile
air sampling in 1957-1963, 479, 482,
484, 487, 619-22
strontium-90 content in rain, 671
Radioactivity
atmospheric, effect of potential
vorticity, 436-49
of deposited particles, correlation with
observed radiation rates, 49~53
of fission products, changes during 19631964, 130-31
man-made sources, information program, 836-49
relation to particle diameter, 98, 99,
101-3, 116-33
Sedan shot debris, 88-90
Small Boy shot debris, 55, 56, 57,
60, 69, 88-90
surface density equations, 50
Radiochemistry
composition vs. particle size data,
127-32
data correlations for silicate bursts,
72-81
debris particles from Sedan and Small
Boy shots, 87
fractionation of particles from high yield
air bursts, 108-15
nuclear cloud samples, 636-37
particle analysis program at LRL, 155
radioisotope determinations in air
and rain samples, 603-5
radioisotope determination in rainwater, 568-69, 574, 575, 577, 578
Sedan Shot analyses, 90-5
Small Boy shot analyses, 95-7
stratospheric radioactive aerosols,
160-61
Radioisotopes
(see also Fission products and specific
R
Ra B+C
(see Lead~214 systems (214Bi-214Pb))
radioisotopes, e.g., Strontium-90)
determination by gamma ray spectroscopy, 185
determination techniques for air and
rain samples, 603-5
iodine-131 content, relation to plant
kinetics studies in food chains, 758-80
Rabbits
contamination, 758-80
iodine-131 uptake from plants, model
studies, 800-18
strontium-89 content, relation to
plant contamination, 758-80
atrontium-90 frequency distribution
in, 815
RaD (see Lead-210)
Radar
cloud height studies, 586-89
cloud top studies, 700
convective storm studies, 567-68,
Rain
572, 575
Oklahoma storm studies during
spring of 1964, 532-65
Radial power distribution model
fractionation prediction by, 5-10
Radiation dose
(see Dose (radiation))
Radiation Protection Guides
milk contamination studies, 778-80
intake with diet in U. S., 877-94
origin of nonfission products in
atmosphere, 693
release to biosphere, information program, 836-49
Radiological environment
(see Environment)
Radium-226
environmental level studies, 240
occurrence in rain from ground
source, 691
Radon-222
environmental level studies, 240
Radon daughter products
(see Lead-214 systems (21¢Bi-214Pp))
(see also Washout)
air cleansing by, in convective storms,
566-81
beta activity measurement techniques,
689-90
cesium-137 in, transfer to milk, 703-10
concentration of cosmic ray produced
radioisotopes in, 217-19