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r <br /> Project 02260.04 10 April 1991 <br /> and wells will be monitored at that time to document th:_i _ oga'Ls< 'c the <br /> remediation. Extraction at an individual probe +r iwe:l .mil be <br /> discontinued when hydrocarbon vapor concentration has bee'i reavc J <<-`ka <br /> vicinity of that probe or well. <br /> Diagrams illustrating the expected shallow and deep zone capture radii <br /> for the site are given in Figures 3 and 4, respectively. In our opinion, <br /> the vapor extraction system design will allow for effective remediation <br /> of the majority of hydrocarbon-affected soils beneath the site. <br /> PROJECT MANAGEMENT AND REVIEW AND REPORT WRITING <br /> j <br /> Project Management will coordinate the syste;n monitoring, review and <br /> submit the results of the monitoring to the regulatory agency to ensure <br /> compliance with regulations, and prepare brief bimonthly reports for <br /> Ultramar Inc. that include the results of the monitoring. <br /> Thank you for the opportunity to propose to install and operate a <br /> remedial system at this site. If you have ary questions, please do not <br /> hesitate to call . <br /> Sincerely, <br /> z <br /> EVAX Technologies, Inc. <br /> S <br /> 1� <br /> Christopher J. Peoples E <br /> Project Ensineer <br /> pbw <br /> E <br /> i <br /> Enclosures: Figure I Proposed Vapor Extraction System y <br /> Figure 2 Beacon Gas Station 0695 Details <br /> Figure 3 Shallow Zone Capture Radii <br /> Figure 4 Deep Zone Capture Radii <br /> cc: Fir. James Maughan, Regional Water Quality Control Board <br /> Mr. Steve Raddigan, Lodi Fire Department <br /> -- ----- -- _- — <br /> 1 - . u-blic.-Health.SrvicesMs Eleanor-Ratliff;-San-Joaquin-P _ ._.__-- <br /> 3 <br /> -— s <br /> -- – <br /> s <br /> c <br /> t <br />