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i <br /> FIGURES: FIGURE 1 SITE LOCATION MAP <br /> FIGURE 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . SITE MAP <br /> FIGURE 3 . . . . . . . . . . TPH-G EXTRACTION RATES BY SOIL <br /> VENTING SYSTEM (LBS/DAY) <br /> FIGURE 4 . . . . . . . BTEX, AND TPH-G CONCENTRATIONS <br /> EXTRACTED BY SOIL VENTING SYSTEM (PPMV) <br /> FIGURE 5 . . CUMULATIVE TPH-G EXTRACTION ESTIMATE BY <br /> SOIL VENTING SYSTEM (LBS) <br /> FIGURE 6 . . . . . . .. . . . .. . . . .. . . . . BENZENE CONCENTRATIONS <br /> (SEWER DISCHARGE) <br /> FIGURE 7 . . . . . . . . . . TPH CONCENTRATIONS <br /> (SEWER DISCHARGE) <br /> FIGURE 8 . . . . . . . . . .... PROPOSED AREAS OF INVESTIGATION <br /> TABLES: TABLE I . . . . . . . . . PETROLEUM HYDROCARBON RECOVERY <br /> MONITORING (JUNE 1993 - JULY 1995) <br /> TABLE 2 ANALYTICAL RESULTS: GROUND WATER <br /> :_ <br /> TABLE 3 . . . . . . . . GROUND WATER PUMPING SYSTEM WITH <br /> DISCHARGE TO SEWER <br /> TABLE 4 . . . . . . . . GROUND WATER OXYGENATION SYSTEM <br /> ATTACHMENTS: ATTACHMENT A . . . .'3 PERTINENT EXCERPTS FROM PREVIOUS <br /> INVESTIGATIVE REPORTS <br />