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7W <br /> LAeOfaAT UPIES <br /> AQUA GEOSCIENCES, INC_ 611 Date Reported: 04/01/93 Page 1 <br /> 1701 WESTWIND DR. , STE 101 <br /> BAKERSFIELD, CA 93301 Date Received: 03/18/93 <br /> Attn. : CLAUS ENGELHARDT805-328-0962 Laboratory No. : 93-02491-1 <br />! Sample Description: DERICKSUN TRUCKING: D-5-10 (SOIL) 03-16-93 @ 9 :20AM <br /> TOTAL CONTAMINAN'T'S <br /> (California Code of Regulations, Title 22, Section 66261) <br /> Regulatory <br /> Criteria <br /> ConstituentsMethod STLC TTLC <br /> Sam le Results Units P•O•L� Method m L m k <br /> Chromium <br /> Nickel 13 . mg/kg 0.5 SW-6010 560. 2500. <br /> pH (1-1) 12. mg/k9 2.5 SW-6010 20. 2000. <br /> 7.68 pH Units 0.01 SW-9045 2 - 12.5 i <br /> I <br /> i <br /> Comment: All above constituents are reported an an as received (wet) sample basis. <br /> Results reported represent totals (TTLC) as sample subjected to appropriate <br /> techniques to determine total levels. <br /> P.Q.L. = Practical Quantitation Limit <br /> (refers <br /> based on sample size used and analytical ttechnique employed) . <br /> analyte detectable <br /> STLC = Soluble Threshold Limit Concentration # <br /> TTLC = Total Threshold Limit Concentration i <br /> REFERENCES: <br /> SW = "Test Methods for Evaluating Solid Wastes Physical/Chemical Methods", y <br /> EPA-SW-846, September, 1986. <br /> ~, Department Supervisor <br />