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/AI McCampbell Analytical, Inc. \i‘Ae4i: <br />1534 Willow Pass Road, Pittsburg, CA 94565-1701 <br />Toll Free Telephone: (877) 252-9262 / Fax: (925) 252-9269 <br />http://www.mccampbell.com / E-mail: main@mecampbell.com "When Quality Counts" <br />Quality Control Report <br />Client: Castle Analytical Laboratory WorkOrder: 2007D44 <br />Date Prepared: 07/29/2020 <br /> <br />BatchID: 202754 <br />Date Analyzed: 07/29/2020 Extraction Method: E625.1 <br />Instrument: GC21 Analytical Method: E625.1 <br />Matrix: Water Unit: ug/L <br />Project: 2007093/ Mizkan DRT 3297 / DRT 1026 Sample ID: MB/LCS/LCSD-202754 <br />QC Summary Report for E625.1 <br />Analyte LCS <br />Result <br />LCSD <br />Result <br />SPK <br />Val <br />LCS <br />%REC <br />LCSD <br />%REC <br />LCS/LCSD <br />Limits <br />RPD RPD <br />Limit <br />Surrogate Recovery <br />2-Fluorophenol 3.58 4.03 5 72 81 50-130 11.7 25 <br />Phenol-d5 4.07 4.80 5 81 96 60-130 16.3 25 <br />Nitrobenzene-d5 4.16 4.58 5 83 92 60-130 9.61 25 <br />2-Fluorobiphenyl 4.35 4.60 5 87 92 60-130 5.47 25 <br />2,4,6-Tribromophenol 4.13 4.31 5 83 86 60-130 4.26 25 <br />Terphenyl-d14 4.41 4.36 5 88 87 70-130 1.17 25 <br />CA ELAP 1644 • NELAP 40330RELAP <br />Page 22 of 30