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i r <br /> PLANT OPERATIONS' <br /> MECHANICAL MEMO #3 <br /> RECEIVED <br /> FEB 11 1993 <br /> STOCKTON DEVELOPMENTAL CENTER ENVIRONMENTAL, HEALTH <br /> Stockton, California PERMIT/SERVICES <br /> PLANT OPERATIONS <br /> UNDERGROUND FUEL TANK MONITORING <br /> I. PURPOSE <br /> 1 This procedure is adapted for the operation, maintenance and test <br /> procedures for the EMC Environmental Management Console, UST <br /> Monitoring System. <br /> 2. This procedure is formulated to comply with a verbal request from <br /> the Office of Air Pollution Control San Joaquin County, California. <br /> II. OPERATION <br /> 1 . The described unit is designed to monitor, test, and report fluid <br /> condition as: <br /> A. MONITOR FEATURES <br /> Operations of the systems is performed using buttons and the <br /> display on the EMC monitor front panel (see Figure 1 , "EMC <br /> Front Panel Features") . Depending on the features your system <br /> is equipped with you can read or print inventory data, review <br /> leak test results and system status information, and start <br /> and stop in-tank leak tests. <br /> B MONITORING FUNCTIONS <br /> Monitoring functions such a inventory control, in-tank leak <br /> detection, interstitial leak sensing, groundwater sensing <br /> and vapor sensing are provided by in-tank probes, interstitial <br /> sensors located between the walls of double-wall tanks, sensors <br /> in the sumps of double-wall piping systems, and sensors in <br /> vapor and goundwater monitoring wells. <br /> The system you are operating may have a combination of these <br /> functions installed. <br />