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INITORING PROCEDURES SINGLE W- L PIPING b-JNTINUOUS ELECTRONIC MONITORIr./ SUMPS SINGLE WALL PIPING 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 single 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. The line pressure monitor is capable of sensing a pressure loss in the system and disables the flow of product through the lines. All product lines are sloped down towards the tank, and if the pressure sensor is activated, any liquid in the product lines will flow backwards toward 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. At least annually, the system is capable of detecting a release from the primary piping equivalent to .1 gph defined at 150% operating pressure. RESPONSE PLAN 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. 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. CATHODIC PROTECTION: STEEL SWING JOINTS/FLEX CONNECTORS/TURBINES Sacrificial anode Cathodic protection system is installed adjacent to all product piping steel connections in contact with soil. The anodes force direct current through the soil to the metal surface, which overcomes the potential corrosive effects of the soil and creates a long-lasting, continuous protection from corrosion. The system is designed and engineered by NACE-certified corrosion experts. PREVENTATIVE MAINTENANCE The Cathodic protection system shall be inspected and certified annually. Maintenance will be performed annually or as needed. All work performed to the system will be in accordance to the manufacturers recommendations. Chevron Maintenance Dispatch (24 Hour) 1-800-423-3528