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Quality Control Report <br />McCampbell Analytical, Inc.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@mccampbell.com"When Quality Counts" <br />Client:Condor Earth Technologies, Inc. <br />Project:7459; Sutter Street <br />Date Analyzed:10/02/2022 <br />Date Prepared:10/02/2022 <br />WorkOrder:2209F96 <br />BatchID:255263 <br />Analytical Method:SW8260B <br />Unit:µg/L <br />Sample ID:MB/LCS/LCSD-255263 <br />Instrument:GC45 <br />Matrix:Water <br />Extraction Method:SW5030B <br />QC Summary Report for SW8260B <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 />cis-1,3-Dichloropropene 3.9 4.0 4 97 101 60-130 3.95 20 <br />trans-1,3-Dichloropropene 3.8 4.0 4 96 100 60-130 4.19 20 <br />Diisopropyl ether (DIPE)3.6 3.9 4 91 97 60-130 5.69 20 <br />Ethylbenzene 3.6 3.8 4 91 95 60-130 3.94 20 <br />Ethyl tert-butyl ether (ETBE)3.6 3.6 4 89 91 60-130 2.53 20 <br />Freon 113 3.7 3.8 4 92 95 60-130 2.82 20 <br />Hexachlorobutadiene 3.9 4.0 4 97 99 60-130 1.52 20 <br />Hexachloroethane 3.7 3.9 4 93 96 50-130 4.00 20 <br />2-Hexanone 3.8 3.9 4 94 96 50-130 2.52 20 <br />Isopropylbenzene 3.5 3.7 4 89 92 60-130 3.24 20 <br />4-Isopropyl toluene 3.7 3.8 4 92 96 60-130 4.63 20 <br />Methyl-t-butyl ether (MTBE)3.4 3.7 4 86 92 60-130 6.52 20 <br />Methylene chloride 3.7 3.9 4 92 98 60-130 5.44 20 <br />4-Methyl-2-pentanone (MIBK)3.8 3.9 4 94 98 50-130 4.74 20 <br />Naphthalene 3.5 3.6 4 87 89 60-130 1.77 20 <br />n-Propyl benzene 3.5 3.6 4 88 90 60-130 1.70 20 <br />Styrene 3.6 3.7 4 89 93 60-130 4.25 20 <br />1,1,1,2-Tetrachloroethane 3.8 3.9 4 96 99 60-130 2.92 20 <br />1,1,2,2-Tetrachloroethane 3.7 3.8 4 91 95 60-130 3.79 20 <br />Tetrachloroethene 3.7 3.9 4 93 97 70-130 4.59 20 <br />Toluene 3.8 3.9 4 95 99 70-130 3.76 20 <br />1,2,3-Trichlorobenzene 3.6 3.8 4 91 95 60-130 3.76 20 <br />1,2,4-Trichlorobenzene 3.8 3.8 4 95 96 60-130 0.652 20 <br />1,1,1-Trichloroethane 3.8 3.9 4 96 98 70-130 2.51 20 <br />1,1,2-Trichloroethane 3.5 3.7 4 88 92 70-130 4.98 20 <br />Trichloroethene 3.7 3.9 4 93 98 65-130 5.37 20 <br />Trichlorofluoromethane 3.8 3.9 4 95 99 60-130 3.35 20 <br />1,2,3-Trichloropropane 1.7 1.8 2 85 88 60-130 3.36 20 <br />1,2,4-Trimethylbenzene 3.6 3.7 4 89 93 60-130 4.75 20 <br />1,3,5-Trimethylbenzene 3.6 3.8 4 91 94 60-130 3.70 20 <br />Vinyl Chloride 2.1 2.2 2 107 112 60-130 4.19 20 <br />m,p-Xylene 7.3 7.5 8 91 94 60-130 3.69 20 <br />o-Xylene 3.5 3.8 4 88 94 60-130 7.23 20 <br />CA ELAP 1644 • NELAP 4033ORELAP <br />(Cont.) <br />Page 39 of 49