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Tab REPORT . of the 7 = fs ta rapomatony “as FEDERAL BUREAU OF INVESTIGATION WASHINGTON, D. C. te: Dae: July 3, 1962 FBI, San Francisco Por rite No- > 78626295 ne: Lab. No. PC-70571 BY GH Specimens received 6/25/62 @2 Material from hole in cell . Specimens received 6/27/62 Kl Bive-green paint used in cells K2 White cement paint Results of examization: The Q2 material from the hole consists essentially of small lusps and loose particles of neat Portland cement mixed with suall icles of lime mortar, sand grains, muall wood particles and paint chips. The Portland cement has had some moisture in it determined, Q2 coment was found to be differeat from 2 white coment paint subuitted, * icles of blue-green paint which were in Q2 we~green of specimen Kl, The paint ips ia aad the paint Kl could have coms from the same source, as © wD) teceryee use EQ) 794