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1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> M c C a m p b e I l Analytical, Inc. Toll Free Telephone:(877)252-9262/Fax:(925)252-9269 <br /> "When Quality Counts" I <br /> http://www.mccampbell.com/E-mail:main(ilmccampbell.com <br /> Quality Control Report <br /> Client: Terracon WorkOrder: 1902D65 <br /> Date Prepared: 2/27/19 BatchID: 173746 <br /> Date Analyzed: 2/27/19 Extraction Method: E300.1 <br /> Instrument: IC4 Analytical Method: E300.1 <br /> Matrix: Water Unit: mg/L <br /> Project: NA187059;Arriage Property Sample ID: MB/LCS/LCSD-173746 <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 0.10 0.10 102 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 0.92 0.92 1 92 92 85-115 0 15 <br /> Nitrate as NO3 4.1 4.1 4.4 93 93 85-115 0 15 <br /> Surrogate Recovery <br /> Formate 0.10 0.10 0.10 100 100 90-115 0 10 <br /> CA ELAP 1644•NELAP 4033ORELAP <br /> Page E <br />