ee oe ~~ oe ie i - —-—e
This report summarizes
the date avallable from
the Health and Safety Laboratory on
the deposition of
Strontium-90 during 1958, The date thus serve to bring up
to date HASL-42, "Environmental Contamination from Weapons
Tests", which Included data through the end of 1957,
This
report
tnacludes
not only
Information de>
veloped ef the Health end Safety Laboratory but analyses
performed by analytical contractors,
A considerable amount
of the tnformation will be made part of other reports submitted fo the
Joint Committee for thelr consideration,
Some of the enelyses reported here were completed
after the
Issuance of the lest quarterly supplement
to
HASL=<-42 and will not be otherwise published until the next
supplement.
The policy on data publication has been to
Include all material availebie at
the time of preparation
of these quarterly supplements, or a report such as
presenf one,
the