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> Rev. 01-31-2003) c FEDERAL BUREAU OF INVESTIGATION Precedence: ROUTINE Date: 11/16/2004 . . ALL INFORMATION CONTAINED To: Washington Field HEREIN IS UNCLASSIFIED -2008 BY 60324 UC BAW/DE/TH From: Washington Field AMX 1 i CONEACE ST : bé Approved By: bre Case ID #: 279A-WF-222936-USAMRIID (Pending) - 105 Title: AMERITHRAX; no oe en MBFOR “CASE LQ L nnn RE Synopsis: To provide a summary of the investigative efforts into the water purification systems in USAMRIID and resulting water collection. Details: In 2004, the Amerithrax investigation looked into the U.S. Army Research Institute of Infectious Diseases’ (USAMRIID's) water sources and the filtration systems used by both Buildings 1425 and 1412. Interviews of Principle Investigators, technicians, and Facilities Management personnel were conducted to determine the different purification methods in each building, and the types of water used for Bacillus anthracis (B.a.) studies. On 2/25/2004, stated that the water used _to make media and reagents in the Isuites o ilding ame from a large filtration system in suite This 7 System was later confirmed to be a Millipore filtration be system. For washing and storage of B.a.,| utilized bottles of sterile water for ini i (product number $9200-SS). SA process of obtaining the same bo es Sterile water through CBSU. Bruce Ivins learned frond that distilled deionized Milli-Q water is used for his ies Spore preparations. stated in a 3/2/2004 interview that a deionized water filtration system is housed in the penthouse of Building [7__] This deionized water is further purified through a Millipore system prior to use. All the laboratories in Building |have access to this water