Mass Spectrometer 20 valves A2 and M2 are leaking and need to be replaced. These valves provide argon to the MS-20 system. Though they are used for…
Office of NEPA Policy and Compliance
July 22, 2025
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Mass Spectrometer 20 valves A2 and M2 are leaking and need to be replaced. These valves provide argon to the MS-20 system. Though they are used for argon supply, they are upstream of the MS-20 grab sample manifold and are located inside the MS-20 hood in 234-H Lab 270.