EXHIBIT O PRIVACY ACT MATERIAL REMOVED (Pege 1) 17 AUG 1948 _ UNTERROGATION OF LTCDR VANDRRGRIFT , — BY COMMANDER WIHART - | ‘Removal of Filter Samples froa Drones ~- Test Zebra . ot It was necessary for the man accomplishing ‘the mission to run tn, release the filter guickly and gat out. The blue 10 r dosimeter was checksd after each entry and as the operation progressed, it gradually built up to = total of 6 r in the case of Balagna. This reading would heve given cause for alarm except for tha fact that this particular dosimeter (inter- mediate range) has a consistent history of reading high by a factor of ebout three. We do not rate this blus pencil dosimeter type very highly, but for this particular operation it was the only instrument avalilavie because the ion chamber cannot be read “on the run.” ‘the dosimeter read low. On this occasion | | Film badge exposures were as follows: 1.5 r i7. r 3.8 r 5.64r Methods used Drenas landed, Long checked tail and ok‘d hook on. parking revetment. Drones toved to’ Vandergrift checked nose for top filter box removal. Mason kept rumning record of dosimeter readings, logging end recharging 200 mr dosizsters as necessary. ‘ : i EXHIBIT O Page 1 Drones vere fomd to be excepticnally hot. PRIVACY AGT MATERIAL REMOVED . . pani oo i je-naz G/17/85 SSIFICATION CANCELLED BY AUTHORITY OF DOE/OC CrpiSn 64huhks dy [