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' 11/04/94 12 45 '$619 453 2688 GROUNDWATER TECH --+y CONCORD REG 4001/008 <br /> 1 <br /> ❑��vJ GROUNDWATER '�-rf €` <br /> LE10QTECHNOLOGY ate ` <br />' Groundwater Technology,Inc <br /> 9940 Mesa Rim Road,Suite B.San Diego,CA 92121 USA <br /> September 23, 1994 Tel (619)453-8415 <br /> Dost-It'"brand fax transmittal memo 7671 �c+Pg9� . <br /> From <br />' Co �' <br /> Dept <br /> Phone# <br />' Harlin Knoll Fox# <br /> San Joaquin County F= <br /> Environmental Health DrAsion /_L09) a, <br /> 445 North San Joaquin Street <br /> San Joaquin. California 95201-0388 <br /> Subject Dispenser Island and Product Line Removal and Soil Assessment <br />' Sears Store 1288 <br /> 5110 Pacrfic Avenue <br /> Stockton, Californla <br /> Dear Mr. Knoll- <br /> Groundwater Technology, Inc , is submitting this letter report to you on behalf of Sears Merchandise <br /> Group This letter will provide you with data collected during the recent dispenser island and <br /> product line removal at this site <br />' <br /> 1.0 INTRODUCTION <br />' Sears contracted Groundwater Technology to observe and collect sod samples during the removal <br /> of the dispenser islands, gasoline product Imes, oil supply lines, and one used oil line from the Sears <br />' Automotive Center located at 5110 Pacific Avenue in Stockton, California (Figure 1) The demcd tion <br /> and removal of the product lines, dispenser islands, oil supply lines, and the used oil line took place <br /> between August 4 and August 12, 1994 Individual grab soil samples were collected from beneath <br /> each dispenser island and approximately every 20 feet along the line trenches The samples were <br /> collected to determine if any environmental impact was presenr;turn the aperat-on 01 to r <br /> service station Samples collected beneath the product lines and dispensers were analyzed for: <br /> ■ Total petroleum hydrocarbons as gasoline (rPHa) by EPA Method 8015 (modified); <br /> e Benzene, toluene, ethylbenzene, and total xylenes (BTEX) by EPA Method 8020. and <br /> e Total lead by EPA Method 7420 <br /> 12AWAS RPT <br /> Boom#12158 V*Cwon <br /> /1 nwr fl.M,.II.MN 11w II C Canada and Ove stv$ <br />