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DOUBLE CONTAINED PIPING INTERSTITIAL SPACE MONITOR: X LIQUID SUMP MONITOR: X LIQUID SENSOR Veeder-Root TLS -350 Single Float Series 794390-208 EQUIPMENT AT THIS FACILITY IS: Veeder-Root TLS -350 PLLD Series 848480-001 All double contained piping is continuously monitored electronically by a system that can sense a leak at of 3 gallons or more per hour at 10 lbs. per square inch of line pressure within 1 hour at more than one location with positive shut down. If the pressure sensor is activated, the line pressure monitor is capable of sensing the pressure loss in the system and disables the flow of product through the lines. All product lines are sloped down towards the tank, and any liquid in the annular space will flow backwards into the sump area. There is a sensor in the sump area that detects any liquid present there. The system has both visible and audible alarms that are activated when there is liquid in the sump or detected in the secondary containment. At least annually, the system is capable of detecting a release from the primary piping equivalent to .1 gph defined at 150% operating pressure. .a 1 If the system goes into the alarm mode, the Operator or his designate will check the alarm panel to verify that there is a leak condition and then silence the audible alarm. The Operator or his designee will immediately contact Chevron dispatch and advise them of the situation so that they can contact the appropriate personnel who will follow the instructions outlined in the "Leak Response Plan", which is part of your Hazardous Material Management Plan. All follow up will be completed within the month the problem occurred. DISPENSER CONTAINMENT SUMP MONITOR: X LIQUID SENSOR Veeder-Root TLS -350 Single Float Series 794390-208 All dispensers are double contained with fiberglass pans that are continuously monitored electronically using liquid sensors. The system has both visible and audible alarms that are activated when liquid is detected. The monitoring system will be inspected daily. The Operator or an employee appointed by the Operator will follow the same procedures as outlined for monitoring the double contained product tanks. PREVENTATIVE MAINTENANCE The monitoring equipment shall be inspected and certified annually. Maintenance will be performed annually or as needed. All work performed to the monitoring system will be in accordance to the manufacturers recommendations. TRAINING Tank operators are trained on the proper operations of the monitoring equipment per the manufacturer's instructions. Chevron Emergency Information Center (CEIC) 1-800-231-0623 Chevron Maintenance Dispatch 1-800-423-3528