substantially to knowledge of atmospheric behavior.

A high-altitude sampling capability will be useful in many

other aspects of high-atmosphere research and will improve the possibilities of carrying out selected highaltitude tracer experiments.
References
1,

W. F. Libby, Proc. Natl, Acad. Sci, U. S., Vol. 45, 959 (1959).

2.

F. Shelton, statement in Hearings before the Special Subcommittee on Radiation of the Joint Committee
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Vol. 1.

3.

W. Langham and E. C, Anderson, statement in Hearings before the Special Subcommittee on Radiation of
of the Joint Committee on Atomic Energy, May 5-8, 1959, U. S. Government Printing Office, Washington,
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4,

Joint AEC-DOD Press Release:
Washington, D. C., June 15,

Results of the Teak and Orange Shots in the 1958 Hardtack Series,

1959.

5,

E. A, Martell, Science 129, 1197 (1959).

6,

E. A. Martell and P. J. Drevinsky, Science 132,

1523 (1960).

7,

M. I. Kalkstein, Results for the Rhodium-102 High Altitude Tracer Experiment (this symposium).

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10.
11,

W. W. Kellogg, Atomic Cloud Height asa Function of Yield and Meteorology, AECU-3403, June 14, 1956.
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Amended, August 6, 1953,
12,

C. E. Lapple, Fallout Control, Final Report, SRI Project No, SU-2479, August 1, 1958.

13,

The Effects of Nuclear Weapons, U. S. Government Printing Office, Washington, D. C., NYO-4753-S1 (1957).

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P. J. Drevinsky,

C. W. Chagnon,

C. E. Junge, and BE. A. Martell, Unpublished results on size-distribu-

tion of radioactive particles in the stratosphere,
17,

C. W, Chagnon and C. E. Junge,

The Vertical Distribution of Sub-Micron Particles in the Stratosphere,

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G. M. B. Dobson, Proc, Roy. Soc., A. 236,

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21,

D, H. Peirson, R. N. Crooks, and E. M. R. Fisher, Harwell Report No. AERE-R3358 (1960).

22,

E. A. Martelland P, J. Drevinsky, Science 133, 1645 (1961).

187 (1956).

85-8E

Select target paragraph3