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TABLE 2 <br /> Summary of Lead and pH Results-Soil <br /> I-205/11th Street Interchange <br /> Tracy,California <br /> Sample Total WET DI-WET TCLP <br /> Depth Lead Lead Lead Lead <br /> Sample ID (feet) (mg/kg) (mg/1) (mg/1) (mg/1) pH <br /> VS4-0 0 to 0.5 4.8 --- --- --- --- <br /> VS4-1 1 to 1.5 47 --- --- --- --- <br /> VS4-2 2 to 2.5 17 --- --- --- --- <br /> Hazardous Waste Criteria <br /> TTLC(mg/kg) 1,000 --- --- --- --- <br /> STLC(mg/1) --- 5.0 --- --- --- <br /> TCLP(mg/1) --- --- --- 5.0 --- <br /> Notes: <br /> mg/kg =Milligrams per kilogram <br /> mg/l =Milligrams per liter <br /> TCLP =Toxicity Characteristic Leaching Procedure <br /> TTLC =Total Threshold Limit Concentration <br /> STLC =Soluble Threshold Limit Concentration <br /> WET =Waste Extraction Test using citric acid as the extraction fluid <br /> Di-WET =Waste Extraction Test using deionized water as the extraction fluid <br /> * Initial/Secondary analyses.Initial sample result of 27 mg/l is inconsistent with data set. <br /> Results of the second analysis were consistent with data set and were used in statistical analyses. <br /> E8769-02-01 Tables Page 8 of 19 December 2014 <br />