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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" http://www.mccampbell.com/E-mail:main@mccwMbell.com <br /> Quality Control Report <br /> Client: Condor Earth Technologies,Inc. WorkOrder: 2405941 <br /> Date Prepared: 05/15/2024 BatchID: 293896 <br /> Date Analyzed: 05/15/2024 Extraction Method: T015 <br /> Instrument: GC29 Analytical Method: T015 <br /> Matrix: SoilGas Unit: µgW <br /> Project: 9116 B.02;ASG-1&2, Sub-1&2 Sample ID: MB/LCS/LCSD-293896 <br /> QC Summary Report for T015 <br /> Analyte LCS LCSD SPK LCS LCSD LCS/LCSD RPD RPD <br /> Result Result Val %REC %REC Limits Limit <br /> Ethyl acetate 17 18 18.6 93 96 60-140 3.14 25 <br /> Ethyl tert-butyl ether(ETBE) 20 20 21 96 93 60-140 2.94 25 <br /> Ethylbenzene 20 19 22 90 88 60-140 1.71 25 <br /> 4-Ethyltoluene 23 22 25 92 89 60-140 4.03 25 <br /> Freon 113 34 33 39 87 84 60-140 2.99 25 <br /> Heptane 23 22 21 108 105 60-140 2.40 25 <br /> Hexachlorobutadiene 47 46 54 87 85 60-140 2.61 25 <br /> Hexachloroethane 30 30 49.2 60 62 60-140 2.29 25 <br /> Hexane 18 18 18 103 101 60-140 1.56 25 <br /> 2-Hexanone 16 17 21 74 82 60-140 10.3 25 <br /> 4-Methyl-2-pentanone(MIBK) 20 20 21 93 93 60-140 0.334 25 <br /> Methyl-t-butyl ether(MTBE) 17 16 18.6 90 86 60-140 3.87 25 <br /> Methylene chloride 16 16 17.6 91 90 60-140 1.62 25 <br /> Methyl methacrylate 20 20 20.8 96 95 60-140 1.40 25 <br /> Naphthalene 21 21 26.5 78 81 60-140 4.07 25 <br /> Styrene 19 19 21.6 87 87 60-140 0.237 25 <br /> 1,1,1,2-Tetrachloroethane 31 31 35 88 87 60-140 0.793 25 <br /> 1,1,2,2-Tetrachloroethane 32 31 35 90 88 60-140 2.01 25 <br /> Tetrachloroethene 29 28 34.4 84 82 60-140 2.71 25 <br /> Tetrahydrofuran 14 14 15 93 95 60-140 1.99 25 <br /> Toluene 16 16 19 86 85 60-140 1.26 25 <br /> 1,2,4-Trichlorobenzene 32 33 37.6 86 88 60-140 1.53 25 <br /> 1,1,1-Trichloroethane 24 24 27.6 89 85 60-140 3.82 25 <br /> 1,1,2-Trichloroethane 25 24 27.6 89 88 60-140 1.42 25 <br /> Trichloroethene 24 23 27.6 87 84 60-140 3.17 25 <br /> 1,2,3-Trichloropropane 27 26 30.64 88 86 60-140 2.49 25 <br /> Trichlorofluoromethane 25 24 28.6 86 84 60-140 2.42 25 <br /> 1,2,4-Tri methyl benzene 23 22 25 92 89 60-140 2.50 25 <br /> 1,3,5-Tri methyl benzene 22 21 25 87 84 60-140 4.00 25 <br /> Vinyl Acetate 14 15 18 80 85 60-140 5.38 25 <br /> Vinyl Chloride 13 13 13 100 98 60-140 2.30 25 <br /> m,p-Xylene 40 39 44 90 90 60-140 0.634 25 <br /> o-Xylene 20 19 22 91 88 60-140 2.98 25 <br /> (Cont.) <br /> Page 24 of 29 <br />