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leAnalyiical <br />www.pacelabs.com <br />QUALITY CONTROL DATA <br />Pace Analytical Services, LLC <br />1700 Elm Street - Suite 200 <br />Minneapolis, MN 55414 <br />(612)607-1700 <br />Project: 60626192 STOCKTON UST <br />Pace Project No.: 10521947 <br />QC Batch: 682478 <br />Analysis Method: EPA 8015D Modified <br />QC Batch Method: EPA 3550 Sonication <br />Analysis Description: 8015D Solid GCSV <br />Laboratory: Pace Analytical Services - Minneapolis <br />Associated Lab Samples: 10521947001, 10521947002, <br />10521947003, 10521947004, 10521947005, 10521947006 <br />METHOD BLANK: 3652286 <br />Matrix: Solid <br />Associated Lab Samples: 10521947001, 10521947002, <br />10521947003, 10521947004, 10521947005, 10521947006 <br />Blank Reporting <br />Parameter <br />Units <br />Result Limit Analyzed Qualifiers <br />Motor Oil Range (C24 -C36) <br />mg/kg <br />ND 10.0 06/23/20 11:50 N2 <br />TPH-DRO (C10 -C28) <br />mg/kg <br />ND 10.0 06/23/20 11:50 <br />n-Triacontane (S) <br />%. <br />59 30-144 06/23/20 11:50 <br />o-Terphenyl (S) <br />%. <br />78 30-146 06/23/20 11:50 <br />LABORATORY CONTROL SAMPLE: <br />3652287 <br />Spike LCS LCS % Rec <br />Parameter <br />Units <br />Conc. Result % Rec Limits Qualifiers <br />Motor Oil Range (C24 -C36) <br />mg/kg <br />50 45.8 92 75-125 N2 <br />TPH-DRO (C10 -C28) <br />mg/kg <br />50 45.7 91 66-125 <br />n-Triacontane (S) <br />%. <br />79 30-144 <br />o-Terphenyl(S) <br />%. <br />91 30-146 <br />MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 3652288 3652289 <br />MS MSD <br />10521947001 <br />Spike Spike MS MSD MS MSD <br />% Rec Max <br />Parameter Units <br />Result <br />Conc. Conc. Result Result % Rec % Rec <br />Limits RPD RPD Qual <br />Motor Oil Range (C24 -C36) mg/kg <br />ND <br />61 61 52.1 54.6 84 88 <br />54-146 5 30 N2 <br />TPH-DRO (C10 -C28) mg/kg <br />ND <br />61 61 50.7 49.2 81 79 <br />39-135 3 30 <br />n-Triacontane (S) %. <br />69 73 <br />30-144 <br />o-Terphenyl(S) %. <br />79 84 <br />30-146 <br />Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result. <br />REPORT OF LABORATORY ANALYSIS <br />This report shall not be reproduced, except in full, <br />Date: 06/26/2020 08:36 AM without the written consent of Pace Analytical Services, LLC. <br />Page 15 of 22 <br />