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McCampbell Analytical, Inc. <br />"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.mccampbell.com / E-mail: main@mceampbell.com <br /> <br />Quality Control Report <br />Client: US Ecology <br />Date Prepared: 07/14/2022 <br />Date Analyzed: 07/15/2022 <br />Instrument: GC6A <br />Matrix: Soil <br />Project: 180641; Alpine Helicopter <br />WorkOrder: 2207760 <br />BatchID: 249555 <br />Extraction Method: SW3550B <br />Analytical Method: SW8015B <br />Unit: mg/Kg <br />Sample ID: MB/LCS/LCSD-249555 <br />QC Report for SW8015B w/out SG Clean-Up <br />Analyte MB MDL RL SPK MB SS MB SS <br />Result Val %REC Limits <br />TPH-Diesel (C10-C23) ND 0.78 2.0 <br />TPH-Motor Oil (C18-C36) 5.0,J 4.6 10 <br />Surrogate Recovery <br />C9 25 25 100 70-130 <br />Analyte LCS LCSD SPK LCS LCSD LCS/LCSD RPD RPD <br />Result Result Val %REC %REC Limits Limit <br />TPH-Diesel (C10-C23) 33 33 40 82 83 70-130 1.03 20 <br />Surrogate Recovery <br />C9 24 25 25 97 99 70-130 1.18 20 <br />(Cont.) <br />CA ELAP 1644 • NELAP 40330RELAP <br />Page 24 of 29