Install a permanent ventilation system for the Sodium Nitrite Makeup Tank (SNMUT) to allow tank to vent directly to the atmosphere at the 422-S roo…
Office of NEPA Policy and Compliance
October 2, 2020
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Install a permanent ventilation system for the Sodium Nitrite Makeup Tank (SNMUT) to allow tank to vent directly to the atmosphere at the 422-S roof edge rather than through the 422-S acid vent system.