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Ornoval foam WO, 1¢ UNITED STATES G Memora °. | b72, TO : Conrad DATE: 6/26/62 - & : atco8 ) PEA PAEEEIS pet /— There were submitted to the Laboratory on the afternoon of 6/25/62, by the San Francisce Office, cenent paint samples removed fro prison officials in the ia oa “ an Alcatraz inmate, had reportedly dug some 36 holes near the ventilator grill in his cell, JdHe denies making these holes; however, prison records indicate no cement paint purchased for or used in his cell block prior to his cell assignment. The cement paint hae been submitted to the Laboratory to ascertain, if possible, the length of tina gince the watarisl] was annitiaa a By teletype dated 6/25/62, the San Francisco Office advised that known samples of cement paint and paint used at the prison are being forwarded for br. comparisons with material removed fr cell, You will be kept advised of any pertinent developments. ACTION: For information, 76-26295 - Mr. Belmont — - Mr, Mohr 4X 100 - Mr. DeLoach - Mr. Rosen ; ~ Mr. Trotter NGI bat it at pat et