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TABLE 5 <br /> Summary of November 1988 Groundwater Sampling Results <br /> Renown Enterprises Site Investigation. Tracy, California <br /> Background Well Onsite hells Dom=radient Wells <br /> REW-1 REW-2 REW-3 Well E Well F Detection Limit <br /> Constituent (mg 1) (Mg/1) (mg/1) (mg/1) (mar/1) (mg/1) <br /> Oil and Grease MON 503A) 55 30 35 25 (20) <br /> TPH (EPA Method 8015 Modified)(1) - 1.3 2 - - (0.05) <br /> Volatile Organic Compounds - - - - - (.005 to .010) <br /> (EPA Method 624) <br /> a <br /> Semi-volatile Organic Compounds - - - - - (.005 to .050) • <br /> Polynuclear Aromatic Compounds - - - - - (.005 to .025) <br /> (EPA Method 625) <br /> Title 22 Metals <br /> (EPA Method 6010) <br /> Arsenic - - 0.07 - - (0.05) <br /> Barium 0.11 0.61 0.99 0.14 0.06 (0.01) <br /> Chromium 0.01 - - 0.01 - (0.01) <br /> Nickel 0.01 0.01 - - - (0.01) <br /> Selenium - - 0.08 0.09 (0.05) <br /> Zinc - - - 0.01 0.01 (0.01) <br /> Field Parameters <br /> Specific Conductance (umbos/cm) 800 1,500 1,350 1,500 830 (10) <br /> pH 7.24 7.02 7.49 7.22 7.23 (�) <br /> Temperature('C) 20.5 23.0 25.0 23.9 22.6 (�) <br /> Notes: <br /> Not detected. <br /> k Not applicable. <br /> 1. Sample did not match hydrocarbon standards, quantitation based on largest peaks in the C12 to C24 <br /> boiling range. <br /> DWM/4075b <br />