\
interfere
with normal
spectra.
known,
fission product
Their presence, especially
\
radioiodine
if it is not
prevents accurate quantitation of the radio-
iodine isotopes.
There is a general policy of announcing all events that are detected on
lL
the ground off-site.
bho /
a
and was not announced was the Drill Event of December
L ct R.
AN
To date the only event that was detected off-site
5,
1964,
1315 PST.
The circumstances surrounding the status of this event are unusual.
a
pi”
v
-|
RG
i,
\
42
The
i
opt Ho Crepe Event was conducted without incident on the same day and it,
~
ve
rather
than the Drill Event, was announced.
tym
yh
te
-
wg OT
4
r
Tr +4~Following is a summary of the monitoring and surveillance results for
+
=
the Drill Event (yield 2.7 Kt):
Ground Monitoring:
1.
Peak - 0.2 mR/hr at 1830 PST,
5 miles east of Lathrop Wells,
Nevada, on Highway 95.
2.
The only measured exposure rate above background by a
routine station recorder
(RM-11) was less than 0.1 mR/hr
DOE ARCHIVES
at 1717 PST at Lathrop Wells, Nevada.
3.
Radiociodine was not detected
in milk or water samples.
ne
6