OPERATION CROSSROADS DATE:
TIME:
PPG time
1 Jul 1946
0900
Able
CMT
30 June 1946
2200
Sponsor:
SITE:
LASL and DOD
PPG - Bikini
11° 37'
165° 29'
10"
28"
Site elevation:
TOTAL YIELD:
23 kt
HEIGHT OF BURST:
N
E
Sea level
520 ft
TYPE OF BURST AND PLACEMENT:
Air burst over water
FIREBALL DATA:
Time to lst minimum:
Time to 2nd maximum:
Radius at 2nd maximum:
NM
NM
~ 576 ft
CLOUD TOP HEIGHT:
40,000 ft MSL
CLOUD BOTTOM HETGHT:
Not available
CRATER DATA:
No crater
REMARKS:
The residual radioactivity on target vessels was low.
On D+l day,
radioactivities greater than O.lr per 24 hours were found on only 13
vessels.
The residual radioactivity in the water after H-hour was
negligible.