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FD-302a (Rev. 10-6-95) 279A-WF-222936 Continuation of FD-302 of | , On 0 1/ 22 / 02 , Page ; received the first, second, and third samplings from the United States Capital Building. If Bacillus anthracis is present, it will show up on the plates within 12 hours unless there is hood contamination. Bacillus anthracis could be mutated by passing it through several dilutions. It would be just as virulent after the mutations as the un-mutated version. believes it would be helpful to figure out where the strains were sent and compare the samples. Hearsay is that there are two stocks of virulent AMES at USAMRIID and that one strain could be different from the other. One strain may have been “tweaked” elsewhere before it got to USAMRIID. [ —]retieves the anthrax letter preparation would have required a knowledge of Bacillus anthracis and knowledge of ways to contain it. Whoever worked with it had to have been vaccinated. As far as[____|knows, USAMRITID does not have the equipment to prepare the anthrax letters. lLyophilizers and glove boxes are present at USAMRIID. Glove boxes are located in Building 1412, and a lyophilizer is in one of the cold labs in the main building. The lyophilizer could be used to freeze back an organism. does not know of any classified work on Bacillus anthracis being conducted at USAMRIID. [___]is_not aware of an weaponization work. The anthrax letters are The whole concept of the letter and None of[ acquaintances have contacts in the Trenton, New Jersey area _ as far as knows. After leaving the interview room, returned a short time later and a the a intormation obtained There are three AMES strains of Bacillus anthracis at USAMRIID from the same original stock obtained from Iowa in the 1980's. [ BRUCE IVINS, has the original slant. He wd omnes