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1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> y McCampbell Analytical, Inc. Toll Free Telephone:(877)252-9262/Fax:(925)252-9269 <br /> r— <br /> "When Quality Counts" http://www.mccarMbell.com/E-mail:main(a�mCcampbell.com <br /> Quality Control Report <br /> Client: Terracon WorkOrder: 1909A39 <br /> Date Prepared: 9/20/19-9/21/19 BatchID: 185760 <br /> Date Analyzed: 9/20/19-9/21/19 Extraction Method: E300.1 <br /> Instrument: IC4 Analytical Method: E300.1 <br /> Matrix: Water Unit: mg/L <br /> Project: NA 197073;Manteca Farm Improvements Sample ID: MB/LCS/LCSD-185760 <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 0.053 0.10 <br /> Nitrate as NO3 ND 0.23 0.44 - - - <br /> Surrogate Recovery <br /> Formate 0.11 0.1 107 85-115 <br /> Analyte LCS LCSD SPK LCS LCSD LCS/LCSD RPD RPD <br /> Result Result Val %REC %REC Limits Limit <br /> Nitrate as N 0.96 0.97 1 96 97 85-115 0.614 15 <br /> Nitrate as NO3 4.3 4.3 4.4 97 97 85-115 0 15 <br /> Surrogate Recovery <br /> Formate 0.099 0.099 0.10 99 99 90-115 0 10 <br /> CA ELAP 1644•NELAP 4033ORELAP <br /> Page 5 of 10 <br />