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r� <br /> REGAL 603 8/16/91 <br /> soilontamin9. exasts�beneathathe tankted hfieldofrom theline n25 foot ge ddepth boto <br /> top of qround water. <br /> 3. A vapor extraction source test indicates that aas vapor <br /> stream consisting of approximately 37 867 ppm <br /> from the <br /> line <br /> range and 14% methane will be p <br /> formation. <br /> 4. Ground water gradient is presentlyto <br /> the north nddeast <br /> and indicates a discharge cycle <br /> the recent rains in the area during the months of April <br /> and May, 1391. <br /> 5. Analysis for Total choliforms indicate an active bio- <br /> colony at the perimeters of the hydrocarbon plume, fecal <br /> choliform was below detection limits. <br /> 7.0 RECOMMENDATIONS <br /> I. Continue the quarterly ground water sampling and include <br /> the data in twice yearly update status reports. <br /> Z. Proceed with the construction of the natural gas and <br /> electrical laterals needed for the "Hirtz" incinerator. <br /> 3. Construct the manifold ng for water treatment and vapor <br /> recovery needed to install the "Hirtz" incinerator, and <br /> once the Authority To Construct has been approved <br /> install the incinerator. <br /> 4. Once the installation of the "Hirtz" incinerator has <br /> been completed notify San Joaquin County Air Quality <br /> for site inspsction to obta:.n Permit to operate. <br /> 5' after permit toecovery operatefrom mwlo and has been obtained. wells <br /> 6. Proceed with a one week water treatment/aquifer test <br /> during the initial start up of the incenerator. After <br /> completion of one month of vapor extraction, evalute the <br /> need for water treatment. <br /> 8.0 HEALTH AND SAFETY <br /> This site is being treated as a class D site, normal common sense <br /> is to be used, see Appendix D, Health and Safety Plan. <br /> PAGE 14 <br />