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NE t <br /> _ r <br /> VfiTECXHN0'.0G115S,INC. <br /> 26S Mount Herman Rd. <br /> $uRe 1Df <br /> Smits lftser CA 95,7f6 <br /> FA7I(K�l x'1515 <br /> 10 April 1991 F �4.x � t k�.x ;' <br /> APR 2 2 4nol <br /> ENVIRONMENTAL HEALTH <br /> Qi <br /> Mr. Glenn Denbroff PERMIT/SERVICE,,; <br /> Ultramar Inc. <br /> 525 West Third Street <br /> Hanford, California 93230 <br /> SUBJECT: Proposal for Vapor Extraction Soil Remediation Program far <br /> herokee Lane, Lodi, <br /> Beacon Service-Station No. 695, 900 South C <br /> California <br /> i <br /> Dear Mr. Dembroff: <br /> EVAX Technologies, Inc. (EVAX) is pleased to submit this proposal to <br /> he <br /> install and operate Performance}oTestystem at conductedhby EVAXe4n November 1.;0 <br /> ct si <br /> results of the for <br /> indicate that vapor extraction is a vrmanceable oTestptionshowedevaportextractian y: <br /> soils at the subject site. The Perfa the site <br /> radii of influence greater than 50 feet. Data obtained during ; <br /> investigation have been +ased to ste <br /> Prepeefor�operatnal �ondaftthe syion stemm W <br /> design specifications and develop a program <br /> The proposed vapor extraction system is presented in Figure 1. This <br /> proposal outlines the activities associated with system installation and <br /> operation. <br /> f <br /> 501E VAPOR EXTRACTION PROGRAM j <br /> The vapor extraction program will proceed in five tasks: 1) Construction <br /> t <br /> Services, 2) Well Installation, 3) Equipment Installation, 4} Operation <br /> and Maintenance, and 5) Project Management and Review and Report Writing. <br /> CONSTRUCTION SERVICES <br /> Field Installation <br /> the <br /> Trenches will be dug and moneslaid hesaccordareivento QetailyT�lmofdesignFigure <br /> trencSpecifications for the com <br /> 2. The temporary vapor extraction probes will be driven the newly <br /> installed <br /> -- - - - .---- ---'into--the-,soli. _Selected monitoring wells, inwill1be-retrofitted_for-use_- <br /> - - <br /> �� groundwater and vadose zone mons oring wells, -T - <br /> in the systemFi FigureWell <br /> heaThe eprobes tails fand or cwells t�will beonal econnected�tonthe. <br /> Detail V 9 <br />