detection and collection techniques, and expanding the techniques where
improvements can be obtained.
Whenever possible, all close-in calibration data should be correla-
ted with identical measurements of samples collected at locations remote
from the test site, in order to simulate long-range sample conditions
that would be expected from debris collections of a foreign nuclear
explosion.
Sampling for particulate and gaseous debris in tests of thermonuclear
magnitude should be conducted in the stratosphere, in order to obtain
representative samples._
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Laboratory and processing techniques should be improved and developed
to the point where cross contamination between gaseous debris samples is
negligible.
Certain of the physical studies, i.e., petrographic studies, X-ray
diffraction, etc., should be continued to explore possible effects useful
for diagnostic studies.