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Airman 1st Class Joseph Brown, 1st Special Operations

Airman 1st Class Joseph Brown, 1st Special Operations

Airman 1st Class Joseph Brown, 1st Special Operations Medical Support Squadron bioenvironmental engineer technician, observes a test tube full of pool water for pH and chlorine levels at the Aquatic Center on H... More

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

Tech Sgt. Timothy Hoffma, Det. 1, 435th Contingency

Tech Sgt. Timothy Hoffma, Det. 1, 435th Contingency

Tech Sgt. Timothy Hoffma, Det. 1, 435th Contingency Response Group bioenvironmental technician, tests the chlorination of purified water near Campia Turzii, Romania, during Dacian Warhawk, a two-week training m... More

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

Airman 1st Class Donte Arrington, 2nd Aerospace Medical

Airman 1st Class Donte Arrington, 2nd Aerospace Medical

Airman 1st Class Donte Arrington, 2nd Aerospace Medical Squadron Bioenvironmental engineer, examines a water sample at Barksdale Air Force Base, La., July 31, 2018. Arrington has been on Barksdale for three mon... More

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

Firefighters from the 354th Civil Engineer Squadron

Firefighters from the 354th Civil Engineer Squadron

Firefighters from the 354th Civil Engineer Squadron decontaminate an individual exiting a building during a simulated suspicious package response as part of an operational readiness exercise April 10, 2013, Eie... More

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

U.S. Air Force Airman 1st Class Alex McClendon, 633rd

U.S. Air Force Airman 1st Class Alex McClendon, 633rd

U.S. Air Force Airman 1st Class Alex McClendon, 633rd Aerospace Medicine Squadron bioenvironmental engineer technician, performs a gas mask fit test on Senior Airman Sarah Lowry, 633rd AMDS bioenvironmental eng... More

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

Airman 1st Class Donte Arrington, 2nd Aerospace Medical

Airman 1st Class Donte Arrington, 2nd Aerospace Medical

Airman 1st Class Donte Arrington, 2nd Aerospace Medical Squadron Bioenvironmental engineer, fills two vials with water to test them for presence of nitrite at Barksdale Air Force Base, La., July 31, 2018. Arrin... More

U.S. Air Force Tech. Sgt. Darnell Strausheim, 354th

U.S. Air Force Tech. Sgt. Darnell Strausheim, 354th

U.S. Air Force Tech. Sgt. Darnell Strausheim, 354th Civil Engineer Squadron incident safety officer, gives a safety briefing during a simulated suspicious package response as part of an operational readiness ex... More

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

U.S. Air Force Senior Airman Sarah Lowry, 633rd Aerospace

U.S. Air Force Senior Airman Sarah Lowry, 633rd Aerospace

U.S. Air Force Senior Airman Sarah Lowry, 633rd Aerospace Medicine Squadron bioenvironmental engineer technician, dons a gas mask before a fitting at Langley Air Force, Va., Jan. 9, 2015. Gas masks are tested t... More

U.S. Air Force Airman 1st Class Alex McClendon, 633rd

U.S. Air Force Airman 1st Class Alex McClendon, 633rd

U.S. Air Force Airman 1st Class Alex McClendon, 633rd Aerospace Medicine Squadron bioenvironmental engineer technician, performs a water quality check at Langley Air Force, Va., Jan. 9, 2015. The 633rd AMDS Bio... More

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

2nd Lt. Raza Alyas, (left) 88th Aerospace Medicine

2nd Lt. Raza Alyas, (left) 88th Aerospace Medicine

2nd Lt. Raza Alyas, (left) 88th Aerospace Medicine bioenvironmental engineer, and Senior Airman Alex Shuttleworth (right) bioenvironmental engineer, perform water tests as part of a base exercise scenario revol... More

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

Samples of water run through an ammonia test at Barksdale

Samples of water run through an ammonia test at Barksdale

Samples of water run through an ammonia test at Barksdale Air Force Base, La., July 31, 2018. Ammonia is needed to make monochloride, which is what disinfects the water. (U.S. Air Force photo by Senior Airman S... More

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

Firefighters from the 354th Civil Engineer Squadron

Firefighters from the 354th Civil Engineer Squadron

Firefighters from the 354th Civil Engineer Squadron contain a package during a simulated suspicious package response as part of an operational readiness exercise April 10, 2013, Eielson Air Force Base, Alaska. ... More

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

U.S. Air Force Airman 1st Class Alex McClendon, 633rd

U.S. Air Force Airman 1st Class Alex McClendon, 633rd

U.S. Air Force Airman 1st Class Alex McClendon, 633rd Aerospace Medicine Squadron bioenvironmental engineer technician, tests a water sample at Langley Air Force, Va., Jan. 9, 2015. McClendon used phenol red t... More

U.S. Air Force Senior Airman Felicia Still, 633rd Aerospace

U.S. Air Force Senior Airman Felicia Still, 633rd Aerospace

U.S. Air Force Senior Airman Felicia Still, 633rd Aerospace Medicine Squadron bioenvironmental engineer technician, uses a HAPSITE ER Chemical Identification System at Langley Air Force, Va., Jan. 9, 2015. The... More

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

Airman 1st Class Donte Arrington, 2nd Aerospace Medical

Airman 1st Class Donte Arrington, 2nd Aerospace Medical

Airman 1st Class Donte Arrington, 2nd Aerospace Medical Squadron Bioenvironmental engineer, levels out a vial of water so he can test it for chemicals at Barksdale Air Force Base, La., July 31, 2018. Water on B... More

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

U.S. Air Force Lt. Col. Allen Kao (right), a public

U.S. Air Force Lt. Col. Allen Kao (right), a public

U.S. Air Force Lt. Col. Allen Kao (right), a public health officer assigned to the 179th Medical Group, talks to Hungarian Brig. Gen. Nándor Kilián, the inspector of the Hungarian air force, Aug. 1, 2019, at P... More

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers

2nd Aerospace Medical Squadron Bioenvironmental engineers test waterfor chemicals at Barksdale Air Force Base, La., July 31, 2018. (U.S. Air Force photo by Senior Airman Stuart Bright)

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