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FD-302a (Rev. 10-6-95) i 279R-WF-222936-USAMRIID bé Continuation of FD-302 of ee ,0n March 20, 200% 2 — [volunteered [_] thoughts concerning the anthrax powder contained in the mailings and explained that investigators should be focusing on the chemistry of the anthrax. L_Jexplainea that spores normally tend to stick to each other but with the anthrax powder, the spores had to have been separated. In order to accomplish this, a positive or negative charge had to be introduced, a hyperphobic or polar molecule, like a dry detergent, and the. illed during growth. The material must be charged and polar. believes that the use of a mass spectrometer would aid in identifying _the chemical make-up_of the anthrax. indicated that if asked,[ ] would volunteez[ J assistance in explained a 100-liter fermentor known as "Big there were two sep: 100-liter fermentors known as "Big Bertha" in Building a USAMRIID originally obtained these fermentors around 1980-198 could best ~ a_historical ~ of the fermentors. lexplained that fermentors were primarily used back in the 1980's but thei se drastically declined due to the advent of molecular cloning. advised that a bioreactor is similar to a nc and that it is possible to grow Ba using a bioreactor. was given an opportunity to review a document_titled Inventory Check and Corrections: 8 Nov 2005. ‘a Bertha" is the 100-liter fermentor identified as stock number] on the invent. sat lieves the fermentor was purchased in 1983. two Braun Biotech fermentors, stock numbers liter