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x To: WaShington @..: From: Washington i Re: 279A-WF-222936, 05/20/2004 4 be Room| | [__]indicated that anyone with access to any of Ct these aréas Cou ake a plate containing live Ba. In an interview of ° Ld indicated tha often observed spray area of the challenge labs when should not have been there. |}__advised that observed studies would_often observe anthrax aeroso enges and no one bother as it was a very hectic atmosphere during the experiment. It would be easy to gain access to the lab as the in order to expedite the set- ue peer ene ac the aerosol challenges. . Bruce Ivins prepared the Ba used in the aerosol experimen Ss in Suite hen Ivins lef 1e nebulizer in Building 1425. He would then bring the Ba to Building 1412, Room and transfer the samples to 50 milliliter conical tubes. The samples were then sent straight to the hood line in Room __J£or the aerosol challenge. After the aerosol challenges, the samples From the challenges went back to Iving’ OT to be diluted and streaked onto agar plates, which were e an incubator overnight in Roomf TT davised ‘tha would not have noticed a missing sample, but perhaps Ivins would have. Any remaining labeled samples were kept L "4 i Other remaining tubes and plates were i leftover Amés Was store These tubes and plates growth on the plates in the incubator had been counted, the plates were placed in a garbage bag under one of the hoods to be autoclaved, { J advised that the bags advised that likely was aware of was cleared to go into the hot suite, could probably go anywhere[ wanted.