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September <br /> A v3 <br /> AGE-NC Project <br /> No. 95-0184 <br /> Page 3 of 3 <br /> �j <br /> For the SVE, the catalytic oxidizer unit will/busied to apply a vacuum to VW ;A. The induced <br /> vacuum will be measured at V W5B and V W2l vapor concentrations from the extraction we <br /> will be measured at intervals throughout the pilot test. The induced pressure at monitoring points, <br /> sparging rate (discharge rate),vapor concentrations at monitoring points, depth to ground water in <br /> surrounding wells and dissolved oxygen will be measured throughout the IAS pilot test. <br /> The extraction well vacuum, induced vacuum at monitoring points, extracted hydrocarbon <br /> concentrations and extraction flow rate will be measured at regular intervals throughout the test. <br /> Data will facilitate required changes to the design of the current SVE system(new wells) and will <br /> be used to determine the spacing of the vapor wells to be compatible with the IAS remediation. <br /> 5-4 <br /> Four vapor samples will be collected from the extraction welf6ring the test(daily). Samples will <br /> be collected at regular intervals following the operation of the IAS/SVE. The samples will be <br /> collected in Tedlar bags and stored in a cool container and transported under chain-of-custody to a <br /> Califomia-certified laboratory for analysis.Each vapor sample will be analyzed for total petroleum <br /> hydrocarbons as gasoline(TPH-g)and volatile organic compounds(BTEX/MTBE)in accordance <br /> with in accordance with EPA Methods 8015m and 8260, respectively. <br /> 3.2. REPORT PREPARATION <br /> Procedures and findings of IAS pilot test will be summarized in a feasibility report prepared for the <br /> site, to be included in a Corrective Action Plan (CAP). The CAP will provide an analysis of <br /> feasibility testing and include recommendations for ground water remediation(and soil)at the site. <br /> The reports will be in a format acceptable to the EHD and will be reviewed and signed by a <br /> California Professional Geologist. <br /> If you have any questions or require further information,please contact me at(209) 467-1006. <br /> Sincerely, <br /> Advanced GeoEnvironmental, Inc.QOF�\PMALG <br /> R. ��7pcs <br /> * No. 7473 <br /> William R. Little <br /> Senior Project Geologist <br /> California Professional Geologist 747 f OF CpUE� <br />