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MONITORING PROGRAM <br /> SWITCHING <br /> A. Initial Leak Test <br /> An initial testing of the underground fuel storage tanks was <br /> conducted by a licensed contractor using the °°petro-tite " <br /> testing technique to determine container integrity. This <br /> testing indicated that the underground fuel storage tank and <br /> the underground piping was not leaking. Immediate action <br /> will be taken to precision test the underground tank and <br /> associated piping should the precision monitoring records <br /> indicate a loss or gain of product that cannot be reconciled <br /> or presence of other indications that would indicate in all <br /> probability that the tank or piping is leaking . <br /> Any leakage from the underground tanks or associated piping <br /> resulting in soil or water contamination that may be <br /> identified during any subsequent leak testing or monitoring <br /> will be reported to the Fire Department. Any remedial <br /> action required will be accomplished in compliance with the <br /> regulatory agency having jurisdiction . <br /> The diesel fuel stored at this facility is utilized as an <br /> energy source to power "Stand-by Power " electrical <br /> generating equipment. As such, the diesel fuel maintained <br /> in the underground containers remains in a static state <br /> except for monthly testing of the equipment and times of <br /> commercial power interruption . <br /> B. Precision Product Monitorinq <br /> Because of underground tank orientation and facility <br /> staffing daily manual inventory control monitoring of the <br /> diesel fuel and long term tank monitoring for product <br /> leakage will be accomplished with in-tank precision product <br /> monitoring. This will be provided through the installation <br /> of the TLS-250 Tank Level Sensor manufactured by Veeder - <br /> Root, a subsidiary of Western Pacific Industries Corporation <br /> or equivalent. <br /> The TLS-250 system consists of a Computerized Inventory <br /> Monitor (CIM) and one Digital Sending Probe (DSP) for each <br /> tank being monitored. The highly accurate, all-electronic <br /> probe has no moving parts for greater accuracy and less <br /> maintenance than other electromechanical, float-type <br /> devices . A single CIM can handle four probes and <br /> continuously monitor each one, analyzing their signals for <br />