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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@mccampbell.com <br /> Quality Control Report <br /> Client: Kleinfelder,Inc. WorkOrder: 2010C13 <br /> Date Prepared: 10/23/2020 BatchID: 207964 <br /> Date Analyzed: 10/23/2020 Extraction Method: E415.3 <br /> Instrument: WC—CNS Analytical Method: E415.3 <br /> Matrix: Water Unit: mg/L <br /> Project: 20200630.00IA/02-0002;Costco Tracy Hansen Sample ID: MB/LCS/LCSD-207964 <br /> Trailer Yard NL SS 2010C13-OOIBMS/MSD <br /> QC Summary Report for E415.3 <br /> Analyte MB MDL RL <br /> Result <br /> Total Nitrogen ND 0.120 0.700 <br /> Analyte LCS LCSD SPK LCS LCSD LCS/LCSD RPD RPD <br /> Result Result Val %REC %REC Limits Limit <br /> Total Nitrogen 48.4 49.4 50 97 99 80-120 2.15 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 /> Total Nitrogen 1 49.0 49.7 50 ND 98 99 70-130 1.50 20 <br /> CA ELAP 1644 <br /> Page 13 of 17 <br />