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LABORATORIES <br /> t <br /> r <br /> AQUA GEOSCIENCES, INC. 611 Date Reported: 04/01/93 <br /> 1701 WESTWIND DR. , STE 101 <br />` BAKERSFIELD Date Received: 03/18/93 <br /> CA 93301 <br /> Attn. : Laboratory No- : 93-02491-1 <br /> MODIFIED WET TEST <br /> EXTRACT CONTAMINANTS ANALYZED ACCORDING TO TITLE 22, ARTICLE 11, <br /> CALIFORNIA CODE OF REGULATIONS FOR HAZARDOUS WASTE. DETERMINATION <br /> (STLC) <br /> Sample Description: DERICKSUN TRUCKING: D-5-10 (SOIL) 03-16-93 @ 9 :20AM <br /> Sample Results Method Regulatory <br /> Constituents m liter Criteria <br /> P. L. Method STLC <br /> Chromium None_De.tected <br /> Nickel 0° 0 SW-6010 560. <br /> �orle Detectael 5 SW-6010 20. <br /> i <br /> V q <br /> Comment: All metals reported above are in mg/liter on a filtrate basis (STLC) . These <br /> results are based on extracting sample according to Title 22, Article 11, ; <br /> California Administrative Code using a 48-hour extraction substituting f <br /> citric acid with deionized water. a <br /> P.Q.L. = Practical Quantitation Limit (refers to the least amount of analyte detectable <br /> based on sample size used and analytical technique employed) . <br /> STLC _ Soluble Threshold Limit Concentration <br /> REFERENCES: <br /> SW = "Test Methods for Evaluating Solid Wastes Physical/Chemical Methods", i <br /> EPA-SW-846, September, 1986, <br /> 4 <br /> Department Supervisor <br />