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Y �OIt� <br /> C�ln]�IE-Rsaboratory AnalytiCERTIFICATE OFANAL YSIS <br /> Tuesday,May 3,2016 <br /> Attention: William Little <br /> Advanced GeoEnvironmental, Inc. Report Page 19 of 25 <br /> 837 Shaw Road <br /> Stockton, CA 95215 <br /> Metals by EPA 200 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 AD60713-General Preparation <br /> Blank(AD60713-BLKI) Prepared&Analyzed:07-Apr-16 <br /> Chromium(VI) ND 5.0 ug/l <br /> LCS(AD60713-BSI) Prepared&Analyzed:07-Apr-16 <br /> Chromium(VI) 48.2 5.0 ug/l 50.0 96 85-115 <br /> LCS Dup(AD60713-BSD1) Prepared&Analyzed:07-Apr-16 <br /> Chromium(VI) 48.0 5.0 ug/l 50.0 96 85-115 0.5 20 <br /> mg1L=milligrams per Liter=ppm DLR=Defection Limit for Purpose of Reporting. <br /> ug/L=micrograms per Liter=ppb Exceptional sample matrices or interferences mqv <br /> result in higher detection limits. <br /> RESPECTFULLY SUBMITTED, <br /> �j/011r� <br /> Jonathan Le,Laboratory Director <br /> 3935 N. Coronado Ave Stockton CA. 95204 Phone: (209) 477-8105 Far: (209) 546-7497 <br />