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To: Washington Field From: Washington Field Re: 279A-WF-222936-USAMRIID, 05/24/2005 contamination. Approximately thirty minutes to an hour after the initial collection, urned to the pass-thru box to conduct further sampling. then learned from IVINS that he had wiped down the area around the pass-box with water. IVINS stated that he did not use bleach because he did not — = _ panic anyone with the strong bleach odor.* In total, collected 16 samples on April 16, 2002, from areas near the B3 pass-box and from the women's B3 change room. On April 18, 2002,[ __—iwas instructed to survey additional sites to obtain a preliminary assessment of the extent of contamination away from the pass-box. An additional 51 swipes were taken in the common areas around_suites B2 and B3, and in Bacteriology offices located in rooms § A second surface decontamination was performed in the corridor where the B3 pass-box was located. Locker surfaces in_the B3 clean-side men's change room and desk surfaces in room ere also decontaminated.*” All of the plates derived rom|_—S«d April 16 and 18, 2002, surveys possessed growth of mixed environmental microbial flora; however, all of the cultures were negative for B.a.-like colonies.® On the morning of April 19, 2002, a "town hall meeting" was conducted at USAMRIID to discuss the_incident which occurred in the B3 suite regarding the spill by and the ensuing environmental surveys. Personnel were notified that a large scale sampling survey would be conducted to determine the extent of contamination outside the containment laboratories.® Shortly before the meeting, mental survey and the results the discussion was é firs ores were found on é computer keyboard in was very upset that IVINS swabbed the office and did not discussed IVINS! tell More importantly, upset that IVINS had found spores and did not tell did not think that IVIN thought through his act of swabbing areas of the cold side. LI knew of no independent swabbing by IVINS prior to April 2002. was ever notified of the December 2001 survey results.] e USAMRIID-wide microbiological survey On April 19, 2002, an extensive environmental survey of USAMRIID's Building 1425 was conducted. Samples were collected from areas throughout the building, including non-BSL-3 laboratories, office areas, corridors, animal areas, maintenance : —