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i <br /> I <br /> C A M B R I A <br /> 2g Pri12- <br /> March 26, 2001 <br /> Mr. Steve Roeder _ <br /> San Joaquin Valley APCD <br /> PERMIT SERVICES DIVISION <br /> 1990 E. Gettysburg <br /> Fresno, California 93726 <br /> Re: Soil Vapor Extraction Pilot Test Notification <br /> Shell-Branded Service Station <br /> 341 E. Main St. <br /> Ripon California <br /> Dear Mr. Roeder: <br /> On behalf of Equiva Services.LLC (Equiva), Cambria Environmental Technology, Inc_ (Cambria), <br /> is providing notification to.conduct a one day Soil Vapor Extraction (SVE) pilot test at the referenced <br /> above site(Figure 1). SVE pilot testing is recommended to determine the required vacuum and flow <br /> to produce the necessary.radius of.influence from each well. The pilot test will also yield data <br /> necessary for sizing the remediation equipment. <br /> i <br /> The pilot test is scheduled for April 11, 2001. The protocol calls for conducting individual 2-hour <br /> SVE tests on four wells. Cambria will use a 250 SCFM Internal combustion engine(ICE) to conduct <br /> the test. Influent and effluent vapor concentrations will be periodically measured with a Photo- <br /> Ionization Detector during the test to monitor the catalyst performance. A summary of the pilot test <br /> data will be provided to the San Joaquin Valley APCD. <br /> Please contact me at (510) 450-1987, if you need clarification or require any additional information. <br /> Sincerely, <br /> Cambria Environmental Technology, Inc. j <br /> Oakland, CA y� / <br /> San Ramon, CA �E r <br /> Sonoma, CA <br /> l R smussen <br /> Portland, OR ?aLI <br /> Project Scientist <br /> Cambria <br /> Environmental J <br /> Technology,Inc_ <br /> CC: Karen Petryna_ Equiva Services LLC Dale Ramey,City of Ripon <br /> Mar-ares La-urio,San Joaquin Co. Public Health Services Marcus Pierce, RWQCB <br /> 1144 65th Street Robert Den Dulk,property owner <br /> Suite B ! <br /> I <br /> Oakland,CA 94608 <br /> Tel(510)420-0700 <br /> i <br /> Fax(510)420-9170 <br /> I <br />