SCASVOLA “VENT OF ERATION HARDTASE 1, The SCAEVOLA device was (detonated £00 feet off the west side of Yveane Island ~”GREP42011, at 1¢00M en 14 July 1958. The cloud rose to 1,500 feat. 2. The P2V¥ aircraft were not smployed, but a survay helicopter teok off from Bruce at 1610M, A reading of 20 te 30 ur/hr was taken over the shet barzs. 3. Re-entry hour was declernd at 170CM, and the radex was cancelled. 4> It is estimated that no upprseiable fallout existed outside the area iamsdiatsaly adjacent to ground zare. BEST COPY AVATLABLE (o4

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