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1534 Willow Paas Road,Pittsburg CA 94565-1701 ' <br /> McCampbell Analytical, Inc. foil Free I elephone:(877)252-9262/Fu.(925)252-9269 <br /> "When Quality Counts" I hap://www.mccampbell.com/E-mail:main@mccampbell com <br /> Quality Control Report ' <br /> Client: Petralogix WorkOrder: 1804441 ' <br /> Date Prepared: 4/10/18 BatchlD: 156206 <br /> Date Analyzed: 4/10/18 Extraction Method: E415.3 <br /> Instrument: WC—CNS Analytical Method: E415.3 ' <br /> Matrix: Water Unit: mg/L <br /> Project: Rosales NLS Sample ID: MB/LCS/LCSD-156206 <br /> QC Summary Report for E415.3 <br /> Analyte MB RL ' <br /> Result <br /> Total Nitrogen ND 0.70 <br /> Analyte LCS LCSD SPK LCS LCSD LCS/LCSD RPD RPD <br /> Result Result Val %REC %REC Limits Limit <br /> Total Nitrogen 53.6 54.2 50 107 108 80-120 1.17 20 ' <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> CA ELAP 1644 <br /> Page 4of8� <br />