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07 July 2000 <br /> AGE-NC Project No 98-0448 <br />' Page 6 of 12 <br /> • approximately 15 to 25 feet north-northeast of VW-2 in the canopy building structure, and <br /> • approximately 15 to 25 feet south of MW-4 in asphalt traffic lane <br /> i r t si <br />' Based on an estimated IAS radius of influence of 17 feet (Corrective Action Plan, dated 15-February <br /> 2000) and the existing and proposed SVE well locations, AGE proposes installation of four IAS <br /> Iwells in the following locations <br /> • approximately 10 to 20 feet north-northeast of MW-2 inside warehouse building structure„ <br /> • approximately 10 to 20 feet southeast of MW-1 in asphalt traffic lane, <br /> approximately 20 to 30 feet southwest of MW-4 in asphalt traffic lane, and <br /> • approximately 5 to 15 feet west of VW-1 in asphalt traffic lane <br /> 33 INSTALLATION OF REMEDIATION SYSTEM PIPING NETWORK <br /> Two-inch diameter, schedule 80 PVC piping will be installed in trenches approximately one foot bsg <br /> and routed from the SVE well heads to the vapor extraction unit, one-inch diameter, schedule 80 <br /> PVC piping will be installed approximately one foot bsg and routed from the IAS well heads to an <br /> air compressor Installation of a 10 by 15 foot chain-link gated enclosure will be located in a <br /> southeast section of the site to secure the vapor extraction unit, drop-out drum, 55-gallon carbon <br /> canisters and air compressor The proposed SVE and IAS piping system are illustrated in Figure 5 <br /> 3 4 REMEDIATION SYSTEM START-UP PERIOD <br /> During the SVE and IAS start-up period (first week of operation), SVE influent vapor <br /> concentrations, SVE effluent vapor concentrations, dissolved oxygen and operational parameters <br /> (SVE air flow,,SVE vacuumJAS air flow) will be monitored daily during the start-up period to <br /> ensure optimal destruction of recovered hydrocarbon vapors <br /> - r <br /> 3 5 MONITORING AND MAINTENANCE ACTIVITIES <br /> I <br /> Vapor samples from SVE influent and effluent will be collected on a monthly basis and submitted <br /> to a State of California Department of Health Services (DHS)-certified laboratory for analysis of the <br /> following constituents <br /> Advanced CcoEnvironmental,Inc <br /> i <br />