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a . - “ * @ @ FD-302a (Rev. 10-6-95) 279A-WF-222936-USAMRIID be b7C stated that all of the material in the hoods would be placed into the same garbage bags, including the tubes, markers, pipettes, towels, animal hairs, any containers, as well as the all glass impingers (AGI). Sometimes the garbage was placed into one (1) or two (2) gallon bio hazard bags, however, most of the time full sized bags were used. Through one of the hoods, the garbage was bagged up and set under the UV light and then sprayed with bleach prior to being removed from the hood. Through the other hood, the garbage was autoclaved out of the hood. All of the garbage was eventually autoclaved in the basement of Building 1412. After the material had been autoclaved, it was placed into the dumpster in the back of Building 1412. [ sasa that the air passing through the bottom of the exposure box would go into the house vacuum system. The vacuum attached to the AGI was also connected to the house system. Both vacuum supplies would pass through a control unit located within the hood. Within the control unit is a ball 0.2 micron HEPA filter. The filters would be replaced approximately every six months. The lab technicians would change the filters inside of the hoods. The house vacuum system also had a series of different filters, located in the penthouse of Building 1412. When the hoods were decontaminated with the paraformaldehyde, the vacuums would be run. The vacuums would draw the paraformaldehyde into the system, thus decontaminating the HEPA filter in the control panel. Some of the paraformaldehyde would also be drawn into the rest of the house vacuum system.