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' 11 March 2002 AGE-NC Project No. 95-0130 ' Page 8 of 13 ' 3.3. GROUND WATER AQUIFER PUMPING TEST ' Following installation of EW-1,a 24-hour aquifer pumping test will be performed within HUI to evaluate a general radius of influence and capture zone during ground water extraction.The ground water aquifer pumping test will be designed to obtain general aquifer characteristics t such as hydraulic conductivity,storativity,transmissivity and draw-down at a constant pumping rate. Procedures for the pumping test is presented in Section 4.4. 3.4. SOIL VAPOR EXTRACTION PILOT TEST ' Following installation of well VW-4, an eight-hour SVE pilot study will be performed to evaluate SVE as a remedial alternative; the results of the SVE pilot test will provide data to calculate an effective SVE radius of influence for design of a SVE remediation system. ' Procedures for the SVE pilot test are presented in Section 4.5. • 3.5. AIR SPARGING PILOT TEST Following installation of well AW-1, a 48-hour IAS pilot study will be performed to evaluate IAS as a remedial alternative;the results of the IAS pilot test will provide data to calculate an effective IAS radius of influence and determine feasibility of IAS as a remediation alternative. Procedures for the IAS pilot test are presented in.Section 4.6. r 3.6. AIR SPARGING/SOIL VAPOR EXTRACTION PILOT TEST Immediately following the 48-hour IAS pilot study, an eight-hour combined SVE/IAS pilot ' study will be performed to evaluate general SVE effectiveness during IAS activities;the results of the SVE pilot test will provide data to calculate an effective SVE radius of influence for design of a SVE remediation system and determine feasibility of IAS as a remediation alternative. Procedures for the SVE/IAS pilot test are presented in Section 4.7. ' 3.7. REPORT PREPARATION Results of the well installations, ground water aquifer pumping test and SVE pilot study will ' be presented in a Problem Assessment Report (PAR). If appropriate, interim ground water remediation may be proposed,pending the completion of a Remedial Action Plan(RAP). The PAR and RAP will be in a format acceptable to the RWQCB(Appendix A guidelines),and will tbe reviewed and signed by a California Registered Geologist. Advanced GeoEnvironmental,Inc.