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0 Analytical Laboratory <br />3935 N. Coronado Ave, Stockton CA. 95204 Phone: (209) 477-8105 <br />P2KNOR lfliYO PO- CERTIFICATE OF ANALYSIS <br />Greenview Farms, LLC <br /> Project Number: Hazardous Waste Soil Profile <br />130W Invitar Ln Project Name: Hazardous Waste Soil Profile Work Order No.: <br />Mounain House, CA 95391 <br />Project Manager: Sandeep Sanhu <br />Metals by EPA 6000/7000 Series Methods - Quality Control <br />Analyte Result <br />Reporting <br />Limit Units <br />Spike <br />Level <br />Source <br />Result %REC RPD Notes <br />Matrix Spike Dup (AB21504-MSD1) <br />Cadmium 4.81 0.0500 mg/kg 5.00 ND 96 <br />Chromium 11.8 0.0500 5.00 9.41 47 0.2 QM-4X <br />Cobalt 5.75 0.0500 5.00 3.48 45 0.2 QM-4X <br />Copper 9.64 0.0500 ,, 5.00 7.53 42 0.1 QM-05 <br />Lead 7.74 0.0500 5.00 3.61 83 0.4 <br />Mercury 0.221 0.0100 t, ND 2 <br />Molybdenum 5.00 0.0500 5.00 ND 100 2 <br />Nickel 12.4 0.0500 5.00 10.2 43 0.2 QM-4X <br />Selenium 5.62 0.100 ., 5.00 ND 112 1 <br />Silver 5.14 0.0500 .. 5.00 ND 103 0.6 <br />Thallium 4.45 0.100 5.00 ND 89 0.02 <br />Zinc 23.6 0.100 5.00 21.6 40 0.7 QM-4X <br />Reference (AB21504-SRM1) <br />Vanadium 0.050 0.050 mg/kg 0.0500 99 <br />Arsenic 0.0509 0.0500 0.0500 102 <br />Barium 0.0479 0.0500 II 0.0500 96 <br />Beryllium 0.0612 0.0500 .. 0.0500 122 <br />Cadmium 0.0515 0.0500 .. 0.0500 103 <br />Chromium 0.0505 0.0500 II 0.0500 101 <br />Cobalt 0.0499 0.0500 .. 0.0500 100 <br />Copper 0.0472 0.0500 .. 0.0500 94 <br />Lead 0.0513 0.0500 0.0500 103 <br />Nickel 0.0502 0.0500 " 0.0500 100 <br />Selenium 0.0535 0.100 ,, 0.0500 107 <br />Silver 0.0543 0.0500 II 0.0500 109 <br />Thallium 0.0511 0.00200 II 0.0500 102 <br />Zinc 0.0457 0.100 " 0.0500 91 <br />Precision Enviro-Tech. Califomia ELAP Cert. #2387 <br />Page 10 of 15