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• i �6 • <br />EXCELTECH <br />41638 CHRISTY STREET FREMONT, CA 94538 <br />PHONE (415) 659-0404 CONTR. LIC. NO. 464324 <br />February 10, 1987 <br />Laurie Cotulla, R.S. <br />Environmental Health Division <br />San Joaquin Local Health District <br />P.O.Box 2009 <br />Stockton, CA 95201 <br />Re: Vadose Monitoring Systems for Quik Stop Stores <br />Dear Ms: Cotulla: <br />Please find enclosed site diagrams for tic Stop Stord9>#1,and #121 showing the <br />proposed locations of vadose monitoring wells. <br />According to the State Guidelines for monitoring existing underground tanks, store <br />120 requires (5) monitoring wells, one each for (3) gasoline tanks and (2) for the <br />diesel tank at this site. Store #121 requires (3) monitoring wells. <br />If groundwater is encountered in any of these borings, the hole will be completed <br />as a groundwater monitoring well and a sampling program will be established at these <br />sites. <br />I have enclosed two permit applications with appropriate fees for installation of <br />borings at stores 120 and 121, along with a diagram illustrating construction design <br />of a typical vadose well. <br />Exceltech would appreciate a timely response to these applications in order to mini- <br />mize costly delays to our client. <br />Sincerely, <br />Exceltech, Inc. <br />Timothy Loeb <br />Environmental Specialist <br />99 <br />S 9 -. . <br />AUG 10 1888 <br />ENVIROMENTAL <br />FERNT/SERV HEALTH <br />