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1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> M c Campbell Analytical, Inc. Toll Free Telephone:(877)252-9262/Fax:(925)252-9269 <br /> .7 "When Quality Counts n http://www.FnccmWbcli.com/E-mail:main@mcc=Vbell.com <br /> Quality Control Report <br /> Client: AdvancedGeo,Inc. WorkOrder: 2012635 <br /> Date Prepared: 12/11/2020 BatchlD: 211172 <br /> Date Analyzed: 12/11/2020 Extraction Method: E300.1 <br /> Instrument: IC4 Analytical Method: E300.1 <br /> Matrix: Water Unit: mg/L <br /> Project: Montoya Property Sample 1D: MB/LCS/LCSD-211172 <br /> 2012635-001 AMS/MSD <br /> QC Summary Report for E300.1 <br /> Analyte MB MDL RL SPK MB SS MB SS <br /> Result Val %REC Limits <br /> Nitrate as N ND 0.0170 0.100 <br /> Nitrate as NO3— ND 0.0740 0.440 <br /> Surrogate Recovery <br /> Malonate 0.103 0.1 103 90-115 <br /> Analyte LCS LCSD SPK LCS LCSD LCS/LCSD RPD RPD <br /> Result Result Val %REC %REC Limits Limit <br /> Nitrate as N 0.987 0.993 1 99 99 85-115 0.533 20 <br /> Nitrate as NO3 4.37 4.40 4.4 99 100 85-115 0.534 20 <br /> Surrogate Recovery <br /> Malonate 0.100 0.101 0.10 101 101 90-115 0.177 20 <br /> Analyte MS MS MSD SPK SPKRef MS MSD MS/MSD RPD RPD <br /> DF Result Result Val Val %REC %REC Limits Limit <br /> Nitrate as N 10 9.16 9.25 1 8.122 104 113 85-115 0.926 20 <br /> Nitrate as NO3 10 40.6 41.0 4.4 35.97 105 113 85-115 0.926 20 <br /> Surrogate Recovery <br /> Malonate 10 0.0957 0.0989 0.10 96 99 90-115 3.30 20 <br />