The nitrogen purge to TEAL seal oil drum D112 is controlled by pressure regulator PCV-________. This device has a setpoint of _________ barg. The Nitrogen keeps the drum inert. LAL-_________ Indicates a low level in TEAL seal oil drum D112. The alarm is located on the control room console.LAH-_________ Indicates a high level in TEAL seal oil drum D112. The alarm is located on the control room console.