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A ri al ytical Laboratory CERTIFICATE OF ANAL YSIS <br /> Tuesday,October 6. 2109 <br /> Attention: Leonard Lamproe <br /> Zacky Farms Report Page 4 of <br /> 1111 Navy Drive <br /> Stockton, CA 95205 <br /> Metals by EPA 6000/7000 Series Methods-Quality Control <br /> Precision Enviro-Tech <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC limits RPD Limit Notes <br /> Batch AX71210-EPA 3050B <br /> LCS(A,K7121D-BSt) Prepared&Analyzed: 12-Nov-07 <br /> Silver 49.2 0.500 mgtkg 50.0 98 80-120 <br /> Matra Spike(AI 71210-MSI) Sourer:7110714-01 Prepared&Analyzed: 12-Nov-07 <br /> Molybdenum 47.1 0.500 mg/kg 50.0 0.899 92 75-125 <br /> Copper 59.3 0.500 50.0 6.87 105 75-125 <br /> Chromium 54.1 0.500 50.0 2.42 103 75-125 <br /> Cobalt 49.8 0.500 50.0 ND 100 75-125 <br /> Cadmium 48.8 0.100 50.0 ND 98 75-125 <br /> Beryllium 43.7 0..500 50.0 ND 87 75-125 <br /> Silver 46.1 0.500 50.0 ND 92 75-125 <br /> Lead 50.3 0.500 50.0 0.878 99 75-125 <br /> Arsenic 54.9 0.500 50.0 1.70 106 75-125 <br /> Selenium 37.9 0.500 50:0 1.76 72 70-125 <br /> Vanadium 52.4 0.500 50.0 ND 105 75-125 <br /> Antimonv 44.3 1.00 50.0 ND 89 75-125 <br /> Nickel 51.8 0.500 50.0 1.11 101 75-125 <br /> Matrix Spike Dup(AK71210-MSDI) Source:7110714-01 Prepared&Analyzed: 12-Nov-07 <br /> Silver 46.7 0.500 mg/kg 50.0 ND 93 75-125 1 20 <br /> Arsenic 54.5 0.500 50.0 1.70 106 75-125 0.7 20 <br /> Beryllium 44.1 0.500 50.0 ND 88 75-125 0.7 20 <br /> Vanadium 53.4 0.500 " 50.0 ND 107 75-125 2 20 <br /> Cadmium 49.4 0,100 50.0 ND 99 75-125 1 20 <br /> Lead 49.6 0.500 50.0 0.878 97 75-125 1 20 <br /> Selenium 37.8 0.500 50.0 1.76 72 70-125 0.2 20 <br /> Chromium 54.5 0.500 50,0 242 104 75-125 0.6 20 <br /> Capper 60.6 0-500 50.0 6.87 108 75-125 2 20 <br /> Antimony 44.7 1.00 50.0 ND 89 75-125 0.9 20 <br /> Molybdenum 47.4 0.500 50.0 0.899 93 75-125 0.6 20 <br /> Nickel 529 0.500 50.0 111 102 75-125 OA 20 <br /> Cobalt 50.1 0.500 50.0 ND 100 75-125 0.6 20 <br /> mg/L=mi"grams per Liter=ppm DLR=Detection Limit for Propose of Reponing. <br /> ug/L=micrngrmns per Liter=ppb Fxteprionr l.mnreple maty S-interferences nmy <br /> result in higher detection limits <br /> RESPECTFULLY SUBMITTED, <br /> Jonathan Le,Laboratory Director <br /> 3935 N. Coronado Ave Stockton CA. 95204 phone: (209) 477-8105 Fax: (209) 546-7497 <br />