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• 30 June 1999 <br /> AGE-NC Project No.95-0185 <br /> Page 6 of 6 <br /> A water drawdown pump (4") will be utilized to induce a decline in static water Ievel from the <br /> extraction well; pressure transducers will be deployed in all available wells to measure difference <br /> in ground water levels before well pumping versus during well pumping. Ground water pumping <br /> rates will be increased at regular intervals (2 or 3 hours) to achieve optimum pumping rate for the <br /> greatest drawdown influence. Results of the drawdown pilot test will be included in a Corrective <br /> Action Plan (CAP) and submitted to PHS-EHD. <br /> Purged ground water will be containerized in a 4,000-gallon Baker tank; composite "grab" ground <br /> water samples will be collected from the Baker tank for analysis of TPH-g, TPH-d, BTEX and <br /> MTBE. The purged ground water will be treated and discharged into the City of Ripon sewer system . <br /> pending regulatory approval, or be transported to a suitable non-hazardous waste disposal/recycling <br /> facility. The duration of the drawdown pilot test will be approximately 8-hours. <br /> Advanced GeoEnvironmental,Inc., <br />