220
Table 7— (Continued)
Sample
Date obtained
Location
22Na, dis/min
per liter
Alaska
Caribou meat_
Caribou meat
Moose meat
Moose meat
Caribou meat
Caribou meat
Reindeer meat
Urinet
Man (Eskimo)7
Near
Near
Near
Near
Kotzebue
Kotzebue
Kotzebue
Kotzebue
July 1963
July 1963
March 1964
March 1964
180
89.1
58.7
80.6
Near Kotzebue
Oct. 9, 1961
23.0
Anaktuvuk Pass
Anaktuvuk Pass
January 1964
January 1964
Near Kotzebue
Near Kotzebue
Aug. 5, 1961
August 1963
9.13
15.6
126
34277
*Richland, Wash., composite from several individuals.
+These values are estimated whole-body burdens for **Na based on an 11-day
biological half-life.
tComposite from two Alaskan Eskimos.
REFERENCES
1, R. W. Perkins, Anticoincidence Shielded— Multidimensional Gamma Ray
Spectrometry for Direct High Sensitivity Analysis of Radionuclide Mixtures,
Paper No. SM 55/53, in Symposium on Radiochemical Methods of Analysis,
Salzburg, Austria, October 18 to 23, 1964, to be published.
2. R. W. Perkins, Physical and Chemical Form of ™!1in Fallout, Health Phys.,
9; 1113-1122 (1963),
3. E, P. Harvey, Jr., and W. R. Collins, Jr., Health and Safety Laboratory,
Fallout Program Quarterly Summary Report for June 1, 1963, to September 1, 1963, USAEC Report HASL-140, Oct. 1, 1963; and Fallout Program
Quarterly Summary Report for December 1, 1963, to March 1, 1964, USAEC
Report HASL-144, Apr. 1, 1964.
4, L. Marquez, N. L. Costa, and I.G. Almeida, The Formation of 2?Na from At-
mospheric Argon by Cosmic Rays, Nuovo Cimento, 6(6): 1292-1295 (1957).
(Cited in Nucl. Set. Abstr., 12: 6022 (1958).]
5. N. Bhandari and Rama, Atmospheric Circulation from Observations of
Sodium-22 and Other Short-lived Natural Radioactivities, J. Geophys. Res.,
68: 1959-1966 (1963).
6, H, E. Palmer and R. W. Perkins, Cesium-134 in Alaskan Eskimos and in
Fallout, Science, 142: 66-67 (1963).
7. R. W, Perkins and J. M. Nielsen, Sodium-22 and Cesium-134 in Foods,
People, and Air, to be published.
8. L. Marquez, N. L. de Costa, I. G. de Almeida, Centro Brasileiro de Pesquisas Fisicas, Cobalt-60 from Thermonuclear Tests in the Atmosphere,
Report NP-7022, Notas de Fisica, Vol. IV, No. 6, May 22, 1958; and Radioisotopes from Fusion in Rain Water, Report NP-7023, Notas de Fisica, Vol.
IV, No. 7, June 4, 1958.
9, J. R. Arnold and H, A, Al-Salih, Beryllium-7 Produced by Cosmic Rays,
Science, 121: 451-453 (1955).
10, Rama and M., Honda, Natural Radioactivity in the Atmosphere, J. Geophys,
Res., 66: 3227-3231 (1961).
11, A, K. Stebbins III, Second Special Report on High Altitude Sampling Pro-
gram, Report DASA-539B, Defense Atomic Support Agency, Aug. 1, 1961;
and J, P. Friend (Ed.), The High Altitude Sampling Program, Report DASA1300, Isotopes, Inc., Aug. 31, 1961.
12, U.S. Public Health Service, Radiological Health Data, Vol. III, 1963, and Vol.
IV, 1964.