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M&P INVESTMENTS' PILOT TEST TREATMENT SYSTEM CONSTRUCTION AND TESTING <br /> The purpose of the pilot test is to evaluate the effectiveness of removing VOC contamination from <br /> soil and groundwater using a combination of soil vapor extraction and groundwater air sparging. <br /> The pilot test involves the construction and testing of three pilot test treatment systems in the area <br /> shown in Figure 1. The construction activities will include pilot test well installations (soil vapor <br /> extraction and groundwater air sparging), temporary trenching and test equipment installations <br /> (blowers, air compressors, and granular activated carbon canisters). Construction is scheduled to <br /> begin in late December 2004 to early January 2005. Construction and pilot testing should take <br /> approximately four (4) months to complete. <br /> COMMUNITY INVOLVEMENT <br /> A draft Public Participation Plan (PPP) has been prepared by EZC and is included in the draft RI/FS <br /> Work Plan. The PPP identifies opportunities for public involvement throughout the pilot testing, <br /> design and remediation process. Project documents, including the Pilot Test Work Plan, are <br /> available for public review at the document repository at the Lodi Public Library, 201 West Locust <br /> Street in Lodi. <br /> GLOSSARY OF TERMS <br /> Groundwater: Underground water that fills pores between particles of soil, sand, and gravel or <br /> openings in rocks to the point of saturation. <br /> Groundwater Air Sparging: Groundwater remediation method that involves injection of air below <br /> the water table to volatilize contaminants in the water. The method is typically used in conjunction <br /> with soil vapor extraction to capture vapors liberated from groundwater. <br /> Perchloroethylene (PCE): A volatile organic compound historically used as a solvent for dry <br /> cleaning and other purposes. <br /> Pilot Test: A field-scale test of one or more remedial technologies to evaluate their effectiveness in <br /> cleanup of subsurface contamination. Data generated during pilot testing are typically used to design <br /> the full-scale remediation system. <br /> Remedial Investigation and Feasibility Study (RI/FS): A process in which the extent and nature of <br /> contamination is evaluated to determine viable remedial alternatives and assess the alternatives' <br /> relative cost, effectiveness, and implementabil ity. <br /> Soil Vapor: Vapor, present in void spaces in soil between the groundwater and the surface of the <br /> ground, which may contain chemicals. <br /> Soil Vapor Extraction: Soil remediation method consisting of extracting soil vapor from the <br /> unsaturated zone above the water table. The vapors are typically captured using a well and piping <br /> network and routed to a treatment system before emission to the atmosphere. <br /> 2 <br />