-ll-
organisms from fallout radioisotopes was either not present
or scarcely detectable.
topes,
The naturally occurring radioiso-
K40 and Ra226, were present.
(In the land plants
and animals some fallout radioisotopes were detectable).
Three progress reports for 1959-1960 have been submitted to
the Committee for
Environmental Sciences,
Project Chariot,
of the Division of Biology and Medicine.
As the collections of fish and invertebrates are deemed
adequate further pretest collections are not planned.
ever,
How-
identification of the invertebrates from the 1959 col-
lection will continue during the fiscal year of 1960-1961.
Stream surveys
and August,
1960,
those in 1960.
for salmon will be conducted during July
since the runs in 1959 are unrelated to
Salmon runs are not large in the immediate
vicinity of the Chariot site,
but because of the importance
of the salmon fishery elsewhere in Alaska an effort is being
made to obtain as much information
as possible.
Reports of this year's work also will be made to the Committee
for Environmental
Sciences,
Project Chariot.