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The plant is in Mode 5. The Shift Chemist comes to the Control Room with CTMT purge release paperwork.Which three monitors must be operable in order to perform a CTMT purge without remedial action?* GT RE-21, Unit Vent Effluent Monitor* GT RE-22, Containment Purge Exhaust Monitor* GT RE-31, Containment Air Supply Monitor* GT RE-32, Containment Air Supply Monitor* GT RE-33, Containment Purge Exhaust Monitor

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