U.S. Air Force Airman 1st Class Nathan Banda and Airman 1st Class Adelmis Ortiz-Colon, 9th Operational Medical Readiness Squadron bioenvironmental engineering flight, conduct training on environmental monitoring equipment May 31, 2023, at Beale Air Force Base, California. This equipment is used as a backup to measure air quality index if the base’s Purple Air sensor network is non-operational. Bioenvironmental personnel conduct annual equipment training and monthly maintenance to ensure that all monitoring equipment is operational (U.S. Air Force photo by Airman 1st Class Darrelle Waters)
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