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USAFSAM Instructors
Tech. Sgt. Ashley Jordan, U.S. Air Force School of Aerospace Medicine Bioenvironmental Engineering Occupational Health Measurements Course director, second from right, instructs bioenvironmental engineering apprentice students on how to operate the HAPSITE ER portable gas chromatograph and mass spectrometer. The students are learning how to assemble the probe to the unit, install the gas canisters, install the battery, and prepare the system to identify and quantify trace amounts of an unknown substance that was captured from the air. (U.S. Air Force photo by Richard Eldridge)