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00�=��o r �-TM H <br /> nalytical Laboratory CERTIFICATE OFANALYSIS <br /> Mona December 14,2015 <br /> Attention: William Little <br /> Advanced GeoEnvironmental, Inc. Report Page 19 of28 <br /> 837 Shaw Road <br /> Stockton, CA 95215 <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 °/nREC Limits RPD Limit Notes <br /> Batch AL50311-General Preparation <br /> Blank(AL50311-BLKI) Prepared:03-Dec-15 Analyzed: 14-Dec-15 <br /> Chromium(VI) ND 0.0500 mg/kg <br /> LCS(AL50311-BSI) Prepared:03-Dec-15 Analyzed:14-Dec-15 <br /> Chromium(VI) 0.0480 0.0500 mg/kg 0.0500 96 80-120 <br /> Matrix Spike(AL50311-MSI) Source:5120227-03 Prepared:03-Dec-15 Analyzed:14-Dec-15 <br /> Chromium(VI) 2.04 0.0500 mg/kg 2.00 ND 102 75-125 <br /> Matrix Spike Dup(AL50311-MSDI) Source:5120227-03 Prepared:03-Dec-15 Analyzed:14-Dec-15 <br /> Chromium(VI) 2.00 0.0500 mg/kg 2.00 ND 100 75-125 2 20 <br /> Batch AL50313-EPA 3020A <br /> Blank(AL50313-BLKI) Prepared:03-Dec-15 Analyzed:04-Dec-15 <br /> Antimony ND 0.0100 mg/kg wet <br /> Vanadium ND 0.0100 " <br /> Arsenic ND 0.0100 " <br /> Barium ND 0.0100 " <br /> Beryllium ND 0.0100 " <br /> Cadmium ND 0.0100 " <br /> Chromium ND 0.0100 " <br /> Cobalt ND 0.0100 " <br /> Copper ND 0.0100 " <br /> Lead ND 0.0100 " <br /> Mercury ND 0.100 " <br /> Molybdenum ND 0.0100 " <br /> Nickel ND 0.0100 " <br /> Selenium ND 0.100 " <br /> Silver ND 0.0100 " <br /> Thallium ND 0.100 " <br /> Zinc ND 0.100 " <br /> mp/L=milligrams per Liter=ppm DLR=Detection Limitfor Purpose ofReporting. <br /> ug/L=micrograms per Liter=ppb Exceptional sample matrices or interferences may <br /> result in higher detection limits. <br /> RESPECTFULLY SUBMITTED. <br /> 1�j/Otl�z� <br /> Jonathan Le,Laboratory Director <br /> 3935 N. Coronado Ave Stockton CA. 95204 phone: (209) 477-8105 Fax: (209) 546-7497 <br />