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Pace Analytical Services,LLC <br /> 315 Chestnut Street <br /> aceMalXical Virginia,MN 55792 <br /> WWW.PbSCOM (218)742-1042 <br /> I <br /> QUALITY CONTROL DATA <br /> Project: UPRES/Stockton I REV <br /> Pace Project No.: 1298347 <br /> QC Batch: 128044 Analysis Method: EPA 7471A <br /> QC Batch Method: EPA7471A Analysis Description: 7471 Mercury <br /> Associated Lab Samples: 12983470)2 <br /> METHOD BLANK: 509060 Matrix: Solid <br /> Associated Lab Samples: 12983470)2 <br /> Blank Reporting <br /> Parameter Units Result Limit Analyzed Qualifiers <br /> Mercury mg/kg ND 0.050 10/12/1715:15 <br /> LABORATORY CONTROL SAMPLE: 509061 <br /> Spike LCS LCS %Rec <br /> Parameter Units Conc. Result %Rec Limits Qualifiers <br /> Mercury mg/kg .1 0.10 103 80-120 <br /> MATRIX SPIKE&MATRIX SPIKE DUF LICATE: 509062 509063 <br /> MS MSD <br /> 1298347002 Spike Spike MS MSD MS MSD %Rec Max <br /> Parameter Uni s Result Conc. Conc. Result Result %Rec %Rec Limits RPD RPD Qual <br /> Mercury mg/kg ND .094 .094 0.13 0.12 109 99 75-125 7 20 <br /> R I �n 1 ,, <br /> - '. <br /> DEC 2 0 2017 <br /> ENVIRONMENTAL HEALTH <br /> DEPARTMENT <br /> Results presented on this age are in the units indicated by the"Units"column except where an alternate unit is presented to the right of the result. <br /> REPORT OF LABORATORY ANALYSIS <br /> This report shall not be reproduced,except in full, <br /> Date: 10/30/2017 11:12 AM without the written consent of Pace Analytical Services,LLC. Page 9 of 26 <br />