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1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> McCampbell Analytical, Inc. Toll Free Telephone:(877)252-9262/Fax:(925)252-9269 <br /> "When Quality Counts" http://www.mccampbell.com/E-mail:main@mccampbell.com <br /> Quality Control Report <br /> Client: Terracon WorkOrder: 18081380 <br /> Date Prepared: 8/30/18-8/31/18 BatchID: 164174 <br /> Date Analyzed: 8/30/18-8/31/18 Extraction Method: E300.1 <br /> Instrument: IC4 Analytical Method: E300.1 <br /> Matrix: Water Unit: mg/L <br /> Project: NA 187043;Flag City#4 Sample ID: MB/LCS/LCSD-164174 <br /> QC Summary Report for E300.1 <br /> Analyte MB RL SPK MB SS MB SS <br /> Result Val %REC Limits <br /> Nitrate as N ND 0.10 - - - <br /> Nitrate as NO3 ND 0.44 - - - <br /> Surrogate Recovery <br /> Formate 0.0974 0.10 97 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 0.904 0.906 1 90 91 85-115 0.139 15 <br /> Nitrate as NO3 4.00 4.01 4.4 91 91 85-115 0 15 <br /> Surrogate Recovery <br /> Formate 0.0960 0.0949 0.10 96 95 85-115 1.14 10 <br /> CA ELAP 1644•NELAP 4033ORELAP <br />