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U <br /> laboratories <br /> Ground Zero Analysis,Inc. Project Number: 594 <br /> 1714 Main Street Project blame: Wilbur-Ellis Work Order No.: <br /> Escalon,CA 95320 Project Manager: Greg Stahl 14711016 <br /> Total Metals by Atomic Absorption Spectrometry - EPA Method 7000 Series-Quality Control <br /> Argon Laboratories <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes fl <br /> Batch HQK0120-EPA 3050B <br /> Blank(HQKOIZO-BLK1) Prepared&Analyzed: 11/12/07 <br /> Nickel ND 2.0 mg/kg <br /> Lead ND 5.0 " <br /> Chromium Nil 3.0 <br /> Cadmium ND 1.0 " <br /> Zinc ND 1.0" " <br /> LCS(HQK0120-BSI) Prepared&Analyzed: 11/12/07 <br /> Cadmium 4.9 mg/kg 5.00 98 80-120 <br /> Zinc 5.4 5.00 108 80-120 <br /> Lead 8.10 8.00 101 70-130 <br /> Chromium 10 10.0 100 80-120 <br /> Nickel 9.8 10.0 98 80-120 <br /> LCS Dup(HQK0120-BSD1) Prepared&Analyzed: 11/12/07 <br /> Lead 7.30 mg/kg 8.00 91 70-130 10 20 <br /> Chromium 8.6 10,0 86 80-120 15 20 I <br /> Cadmium 4.8 5.00 96 80-120 2 20 i <br /> Zinc 5.3 5.00 106 80-120 2 20 S <br /> Nickel 10 10.0 100 80-120 2 20 <br /> Matrix Spike(HQK0120-MSI) Source:H711016-04 Prepared&Analyzed: 11/12/07 <br /> Cadmium 4.5 mg/kg. 5.00 ND 90 70-130 <br /> Chromium 11 10.0 0.52 105 70-130 <br /> Lead 13.2 8.00 5.3 99 70-130 i <br /> Nickel 16 10.0 5.8 102 70-130 <br /> Zinc 7.6 5.00 3.3 86 70-130 <br /> I <br /> Matrix Spike Dup(HQK0120-MSD1) Source:H711016-04 Prepared&Analyzed: 11/12/07 <br /> Zinc 7.7 mg/kg 5.00 3.3 88 70-130 1 20 <br /> Lead 13.1 8.00 5.3 98 70-130 0.8 20 <br /> Nickel 17 10.0 5.8 112 70-130 6 20 <br /> Chromium 11 10,0 0.52 105 70-130 0 20 <br /> Cadmium 4.8 5.00 ND 96 70-130 6 20 <br /> Appi aved By <br /> Argc n Laboratories,Inc. California D.O.H.S.Cert.#2359 <br /> 2905 Railroad Avenue, Ceres, CR 95307 • Phone (209) 581-9280 • Fax (209) 581-9282 Page 6 of 8 <br /> email: info@orgonlabs.com <br /> J <br />