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_ R t <br /> "arding LAIWGon Assxlabs <br /> RECEIYED <br /> y,lf,Y I) 1,989 <br /> May 8, 1989 <br /> 17060,022.03 <br /> The Southland Corporation <br /> 5820 Stoneridge Mall Road <br /> Pleasanton, California 94556 <br /> Attention: Mr. Hal Miller <br /> Gentleme.n: <br /> ' Report <br /> Sampling of Monitoring Wells - March 1989 <br /> 7-Eleven Convenience Store <br /> i 455 Grant Line Road <br /> Tracy. California <br /> j <br /> r INTRODUCTION <br /> ` This report documents <br /> F of Jam lin the results of the most recent round <br /> P g performed by Harding Lawson Associates <br /> monitoring wells: at the 7-Eleven Convenient (HLA) of <br /> Grant Line Rcad in Trac a store, 455 <br /> 1989 in Y• HLA sampled the 14 wells in March <br /> accordance with your re <br /> xs the first of two; the second. round•willxbe perform round <br /> during July 1989. ed <br /> The purpose of HLArs mark at the site is to monitor the <br /> concentration of petroleum constituents dissolved in water <br /> in the existing ground-water monitoring wells locate <br /> site. This work was authorized b don <br /> Southland Co <br /> Mr.(Southland).-. n April-10��.989a the <br /> BACKGROUND <br /> HLA has been investigating soil a <br /> roun <br /> Eleven store since Nov,ember, i987ndfollawingaterundergatthd-u_ d <br /> an <br /> ro <br /> monitorin <br /> 9 <br /> tank. leak. As ,part of e investigation, we installed 15 <br /> .wells on thand immediately adjacent to the site <br /> @ (Plate I) . Well MW--7 was destroyed in:Marah <br /> sampling, during removal of underground tanks, 1989, prior to <br /> wells are still in place. <br /> g The other <br /> r Engineers 1355 Willow way Telephone <br /> and Suite 109 Ariiona. Colorado Geoscientisls 415/687--9660 A�ska Texas <br /> ConCord.CA 94520 Flawair Telecopy <br /> �;alitornia Nevatla <br /> 415/687-9673 <br /> `y <br />