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A WET EXTRACT REPORT Kennedy/Jenks/Chilton, Laboratory Division <br /> 303 Second Street, Tenth Floor North <br /> San Francisco, CA 94107 <br /> •. 415-362-6065 <br /> For: Helmick 8r Lerner, Inc. Received 01/16/91 <br /> Attention: Noel Lerner Reported 01!29191 <br /> Address: 3750 Auburn Blvd., Suite A <br /> Sacramento, CA 95821 (HLI Job No. 0089002) <br /> Source: Stockton U.S.D. <br /> ' Lab. No.: 910253 <br /> Sample I.D.: 065 <br /> Matrix: Soil <br /> Depth: 11 ft. <br /> Date Collected: 01/14/91 <br /> Time Collected: 1634 <br /> Collected by: HLI <br /> Date Extracted: 01121-23191 <br /> Date Analyzed: 01124-25191 <br /> Analytical Method: Calif. Admin. Code Title 22, Paragraph 66700 <br /> Contaminant Units Concentration in extract Det. Lim. <br /> a <br /> T. Chromium (Cr)(1) mg/L <0.1 0.1 <br /> Cadmium (Cd)(1) mg/L <0,05 0.05 <br /> Lead(Pb)(2) mg/L <0.5 0.5 <br /> -' Nickel (Ni)(1) mg/L 0.15 0.1 <br /> Zinc (Zn)(1) mg/L 2.5 0.2 <br /> Final pH of extract was 4.9. <br /> Comments: (1) Analysis by inductively coupled argon plasma emission spectroscopy. (2)Analysis by atomic <br /> absorption spectrophotometry. Results reported in milligrams per liter. <br /> Reference:'Test Methods for Evaluating Solid Waste-PhysicallChemical Methods,'SW-846,1984 and 1986,U.S.EPA,and'California Administrative <br /> Code Title 22,Div,4,Chapter 30, Minimum Standards for Management of Hazardous and Extremely Hazardous Wa/st 198s. <br /> Analyst Tony DeLeon, Tracy Kirkpatrick Manager /ln 9 <br /> 3 This report applies only to the sample investigated and is not necessarily indicative of the quality of apparently identical or similar samples. The liability <br /> of the laboratory Is limited to the amount paid for the report by the issuee. The issuee assumes all liability for the further distribution of this report or its <br /> contents and by making such distribution agrees to hold the tabotatory harmless against all claims of persons so informed of the contents hereof. <br />