◆ SpookStack

FD-302a (Rev. 10-6-95) S 279A-WF-222936-USAMRIID b7c the hotside, but after October 2001, most of theL_] were stripped away to conduct testing on unknown mail that on many V. é present during the challenges, but not during all of these experiments. For challenge experiments, Cee den other [__] ae begin preparation for testing the week prior to the actual start of testing by decontaminating the work areas. Normal decontamination procedures involved the use of paraformaldahyde to decontaminate all work areas. At the start of testing, Doe received all samples and animals into the hot area and transported them to the test area. For challenge experiments, agent samples were placed into all-glass impingers (AGI) and aerosolized into the test animal cages. [voute regularly collect air samples for later plating, to determine the antity of agent the animals were exposed to during the testing. remembers using anti-foam in aerosol challenges, but could not remember its brand-name or whether it contained silicone. Anti-foam was added to the AGI to keep materials inside the nebulizer from bubbling over. LJ couta not provide any information concerning _ added materials since solutions for challenges were pre-mixed before being provided to the testers. SIS Eres pereser mn wiedse of any substitutes for anti- oam used in ese aerosol challenges. conducted tests for BRUCE IVINS, USAMRIID, bu ing anti-foam or olive oil to their as already gone from USAMRIID when "| acanted working there. believed there was spore _m: i after many ©: ese challenges, employment at