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l 1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> M c C a m p b e I l Analytic al, Inc. Toll Free Telephone:(877)252-9262/Fax:(925)252-9269 <br /> ,%at "When Quality Countsrr http://www.mccampbell.com/E-mail:main@mccmVbell.com <br /> Quality Control Report <br /> Client: AdvancedGeo,Inc. WorkOrder: 2206D51 <br /> Date Prepared: 06/21/2022 BatchID: 248024 <br /> Date Analyzed: 06/21/2022 Extraction Method: E300.1 <br /> Instrument: IC4 Analytical Method: E300.1 <br /> Matrix: Water Unit: mg/L <br /> Project: Pina Propertty Sample ID: MB/LCS/LCSD-248024 <br /> 2206D51-001BMS/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 0.048 0.10 <br /> Nitrate as NO3_ ND 0.21 0.44 - - - <br /> Surrogate Recovery <br /> Malonate 0.095 0.1 95 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 0.98 0.97 1 98 97 85-115 0.771 20 <br /> Nitrate as NO3_ 4.3 4.3 4.4 98 98 85-115 0.771 20 <br /> Surrogate Recovery <br /> Malonate 0.098 0.097 0.10 98 97 90-115 1.13 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 1 3.6 3.6 1 2.609 98 97 85-115 0.540 20 <br /> Nitrate as NO3 1 16 16 4.4 11.55 99 97 85-115 0.540 20 <br /> Surrogate Recovery <br /> Malonate 1 0.096 0.094 0.10 96 94 90-115 2.44 20 <br /> CA ELAP 1644•NELAP 4033ORELAP <br /> Page 5 of 10 <br />