Table 1.. Strontium-90 Production from United States Nuclear
Weapons Test Operations
Strontium-90 Production (kilocuriés)
Less than
Date? |
Operation and Site
7/16/45
Trinity (New Mexico) -
8/8/45
Japanese Bombings
7/1/46
Crossroads (Bikini)
5/1/48
Sandstone (EPG)
2/1/51
Ranger (NTS)
5/1/51
Greenhouse (EPG)
11/1/51
Buster-Jangle (NTS)
5/1/52
Greater than
1 uTb
Total
1.7
--
1.7
3.5
--
3.5
3.3
--
3.3
12.9 -
--
12.9
1.2
~-
4.2
52.0
--
52.0
8.5
~-
8.5
Tumbler-Snapper (NTS)
12.0
--
12.0
5/1/53
Upshot-Knothole (NTS)
30.1
--
30.1
11/1/52
Ivy
u/1/sh
Castle
4/1/55
‘Teapot(NTS)
19.0
7/1/56
Redwing (EPG)
fotar
(EPG)
) x
(EPG)
Total (per cent)
1 wrb
:
92.3
a
as
-
3721.9
on
vs
--
19.0
we
85.8
862.0
978
oe
325.3
Wa9l.S
4816.8
“
6.8
3629.5
oO
93.2
--
a. Where an operation consisted of more than one detonation, the date
given is approximately the midpoint of the-series.
b. Based on total fission plus fusior jield.
c. EPG and NTR refer respectively to the Eniwetok Proving Grounds in the
Marshall Islands and the continental Nevada Test Site.
* Combined for declassification purposes.