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.00An=:17tioca2aboratory <br />Attention: Robert . E. Marty <br />Advanced GeoEnvironmental, Inc. <br />837 Shaw Road <br />Stockton, CA 95215 <br />W <br />CERTIFICATE 4FANALYSIS <br />Thursday, October 17, 2013 <br />Metals by EPA 6000/7000 Series Methods - Quality Control <br />Precision Enviro-Tech <br />Report Page 17 of 20 <br />Reporting Spike Source %REC RPD <br />analyte Result Limit Units Level Result %p -EC Limits RPD Limit Notes <br />Batch AJ31715 - EPA 3050E Units <br />Blank (AJ31715-BLK1) are <br />Prepd & Analyzed: 17 -Oct -13 <br />- - - - - --BLKI ------ -- <br />Lead ND 0.0100 mg/kg wet <br />LCS (AJ31715-BSI) Prepared & Analyzed: 17 -Oct -13 <br />Lead 0.0903 0.0100 mg/kg wet 0.100 90 75-125 <br />Matrix S ike AJ31715-MS1 Source: 3101110 -OZ Prepared & Analyzed: 17 -Oct -13 <br />Lend 69.6 0.0500 mg/kg wet 50.0 10.5 118 75-125 <br />Matrix Spike Du (AJ31715-MSDI Source: 3101110-01 Prepared & Analyzed: <br />Lead 67.6 0.0500 mglkg Nvet 50.0 10.5 114 75-125 3 20 <br />n:g 1. = milligrams per Leer _ ppm <br />1(g L = tnicrogroms per Liter ppb <br />RESPECTFULLY SUBMITTED, <br />DLR _ Detection Linrit for Purpose of Reporting. <br />E:xceplianot somple matrices or imerfer ewces may <br />resuh in higher detection limits. <br />Jonathan Le, Laboratory Director <br />3935 :fir. Coronado Acte Stockton CA. 95204 phone: (209) 477-8105 Fax: (209) 546-7497 <br />