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,-1110; McCampbell Analytical, Inc. <br />WI41i "When Quality Counts" <br />1534 Willow Pass Road, Pittsburg, CA 94565-1701 <br />Toll Free Telephone: (877) 252-9262 / Fax: (925) 252-9269 <br />http://www.mccatnpbell.com / E-mail: main@inceampbell.com <br /> <br />Quality Control Report <br />Client: <br />Date Prepared: <br />Date Analyzed: <br />Instrument: <br />Matrix: <br />Project: <br />Atlas Technical Consultants <br />02/18/2021 <br />02/18/2021 - 02/20/2021 <br />GC9a, GC9b <br />Soil <br />91-57962-PW; FUHSD <br />WorkOrder: 2102A42 <br />BatchID: 215596 <br />Extraction Method: SW3550B <br />Analytical Method: SW8015B <br />Unit: mg/Kg <br />Sample ID: MB/LCS/LCSD-215596 <br />2102A42-001AMS/MSD <br />QC Report for SW8015B w/out SG Clean-Up <br />Analyte MB <br />Result <br />MDL RL SPK <br />Val <br />MB SS <br />%REC <br />MB SS <br />Limits <br />TPH-Diesel (C10-C23) ND 0.750 1.00 <br />TPH-Motor Oil (C18-C36) ND 3.90 5.00 <br />Surrogate Recovery <br />C9 19.0 25 76 70-130 <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 />TPH-Diesel (C10-C23) 36.3 35.6 40 91 89 70-130 2.10 20 <br />Surrogate Recovery <br />C9 18.8 18.8 25 75 75 70-130 0.160 20 <br />Analyte MS <br />DF <br />MS <br />Result <br />MSD <br />Result <br />SPK <br />Val <br />SPKRef <br />Val <br />MS <br />%REC <br />MSD <br />%REC <br />MS/MSD <br />Limits <br />RPD RPD <br />Limit <br />TPH-Diesel (C10-C23) 1 42.4 41.6 40 ND 106 104 70-130 2.03 20 <br />Surrogate Recovery <br />C9 1 24.7 24.4 25 99 98 70-130 1.23 20 <br />CA ELAP 1644 • NELAP 40330RELAP <br />Page 63 of 68