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To: Washington @. From: Washington Field Re: 279A-WF-222936-USAMRIID, 11/16/2004 In October 2004, Special agentsL_—d collected water samples from various water filtration units in Building 1425. Below is a table highlighting the filter type and location of each sampling. Room Collected From Filter Type Tissue Culture Group Tap Water Tissue Culture Group Penthouse Millipore System [virus [ __|Aqua Solutions [Stations 2000 a jd Milli-Pore : Aqua Solutions Building 1412 suffered a water system failure which required shutdown and replacement of the water filtration system in late October 2004. Because of this, water samples were not, m most of Building 1412. However, in 2003, S. acquired water samples from aboratory. SAL took a water s rom the 2000 Solution Water Purification System in Room lof at USAMRIID. On August 7, 2003, SA obtained three samples from the same source in Room Two of those samples were autoclaved at USAMRIID and the other was irradiated. . Building 1412 on May 1, 2003. The — was later irradiated ha