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08/04/99 15:58 FAX 125 251 8782 BARGHAU'SEti Old <br /> r ' <br /> AGw'4 4 <br /> CIVIL ENGINEERING,LAND PLANNING,SURVEYING,ENVIRONMENTAL SERVICES <br /> = July 15, 1999 <br /> C"W"' " OPY <br /> 1� <br /> Michael Kith <br /> San Joaquin County AUG 05 1999 <br /> Environmental Health Division <br /> 304 East Weber Avenue, 3rd Floor ENVIRONMENTAL HEALTH <br /> Stockton, CA 95201-0388 PERMIT/SERVICES <br /> RE: Application for Underground Storage Tank and Piping Installation <br /> Revisions to Monitoring and Response Plan <br /> Existing ARCO AM/PM Mini-Market Facility <br /> 16 East Harding Way, Stockton, California <br /> ARCO FAC No. 4932/ Our Job No. 7063 <br /> Dear Michael: <br /> On behalf of Atlantic Richfield Company(ARCO), Barghausen Consulting Engineers, Inc., is submitting the <br /> revisions necessary to complete the Monitoring and Response PIan for the above-noted facility. Per your <br /> request, the section regarding continuous monitoring shall be revised as follows: <br /> Section 1 - Monitoring Equipment: <br /> Secondarily contained storage tanks and lines at this facility are to be monitored by a continuous <br /> electronic leak detection system,which consists of an alarm panel, sensors and associated electronics. <br /> Liquid sensors are installed in the annular space of each double-wall tank and product line piping <br /> sump, as well as at each one of the dispenser containment sumps. Whenever a sensor detects presence <br /> of liquid there is both an audible and visual alarm at the control panel. In addition, this continuous <br /> monitor on the piping system will shut down the pump and activate the alarm system when a release <br /> is detected or the continuous product piping monitoring system fails or is disconnected, the pumping <br /> system will shut down. <br /> Electronic automatic leak detectors (3 GPH)are installed on the secondarily contained pressurized <br /> product piping as part of the turbine. The Iine leak detector will detect a loss of pressure in the <br /> product lines and restrict the flow of product. <br /> The model numbers for the associated monitoring system are as follows: <br /> Description Model Number <br /> Monitoring Panel -Veeder Root TLS 350 Monitoring and <br /> Control Panel VR-847090-002 <br /> Liquid Sensor for the Tank Annular Space -Veeder Root VR-794390-409 <br /> 18215 72ND AVENUE SOUTH KENT,WA 98032 (425)251-6222 (425)251-8782 FAX <br />