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OD!Analytical Laboratory CERTIFICATE OF ANALYSIS <br /> ,Ltonday,December 14,2015 <br /> Attention: William Little <br /> Advanced GeoEnvironmental, Inc. Report Page 22 of 28 <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 °/oREC RPD <br /> \Imh tc Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch AL.50313-EPA 3020A <br /> Matrix Spike Dup(AL50313-MSDI) Source:5120224-01 Prepared:03-Dec-I5 Analyzed:04-Dec-15 <br /> Lead 168 0.0100 mg/kg dry 151 4.51 108 75-125 0.6 20 <br /> Molybdenum 6.73 0.0100 5.95 75-125 5 20 <br /> Nickel 152 0.0100 151 23.9 84 75-125 0.4 20 <br /> Selenium 674 0.100 756 ND 89 75-125 12 20 <br /> Silver 127 0.0100 151 0.204 84 75-125 0.6 20 <br /> Thallium 179 0.500 151 ND 119 75-125 0.4 20 <br /> Zinc 215 0.100 151 59.8 103 75-125 2 20 <br /> Matrix Spike Dup(AL50313-MSD2) Source:5120224-01 Prepared:03-Dec-15 Analyzed:04-Dec-15 <br /> Mercury 26.5 0.100 mg/kgdry 15.1 5.79 137 75-145 0.05 20 <br /> mg,L=milligrams per Liter=ppm DLR=Detection Limit for Purpose of Reporting. <br /> ug,L=micrograms per Liter=ppb Exceptional sample matrices or imerfemnces may <br /> msuh 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 />