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MONITORING PROCEDURES DOUBLE CONTAINED PIPING <br />CONTINUOUS ELECTRONIC MONITORING SUMPS <br />DOUBLE CONTAINED PIPING <br />INTERSTITIAL SPACE MONITOR: _VAPOR X LIQUID _NONE <br />SUMP MONITOR: VAPOR X LIQUID _NONE <br />EQUIPMENT AT THIS FACILITY IS: VEEDER-ROOT TLS -350 <br />All double contained piping is continuously monitored electronically by a system that can sense a <br />leak at more than one location. A line pressure monitor capable of sensing a pressure loss in the <br />system and activating a valve to disable the flow of product through the lines also monitors <br />pressurized pipes. The product lines are sloped down towards the tank, and if the pressure sensor <br />is activated any liquid in the annular space will flow backwards toward the sump area. There is a <br />discriminating sensor in the sump area that detects any liquid and hydrocarbons present there. The <br />system has both visible and audible alarms that are activated when there is liquid in the sump or <br />detected in the secondary containment with positive shut down for high liquid and hydrocarbons. <br />RESPONSE PLAN <br />If the system goes into the alarm mode, the Operator or his designate will check the alarm panel to <br />verify that there is a leak condition and then silence the audible alarm. The Operator or his <br />designee will immediately contact Chevron dispatch and advise them of the situation so that they <br />can contact the appropriate personnel who will follow the instructions outlined in the "Leak <br />Response Plan", which is part of your Hazardous Material Management Plan. All follow up will be <br />completed within the month the problem occurred. <br />The tank monitor alarm will be visually monitored daily. The Operator or an employee appointed by <br />the Operator will follow the same procedures as outlined for monitoring the double contained <br />product tanks. <br />PREVENTATIVE MAINTENANCE <br />The monitoring equipment shall be inspected and certified annually. Maintenance will be performed <br />annually or as needed. All work performed to the monitoring system will be in accordance to the <br />manufacturers recommendations. <br />TRAINING <br />Tank operators are trained on the proper operations of the monitoring equipment per the <br />manufacturer's instructions. <br />Chevron Maintenance Dispatch (24 Hour) 1-800-423-3528 <br />