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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@mccampbell.com <br /> Quality Control Report <br /> Client: American Integrated Services WorkOrder: 19071339 <br /> Date Prepared: 7/26/19 BatchID: 182440 <br /> Date Analyzed: 7/26/19 Extraction Method: SW5030B <br /> Instrument: GC38 Analytical Method: SW8260B <br /> Matrix: Water Unit: gg/L <br /> Project: 39150; 14800 W. Schulte Rd. Tracy Sample ID: MB/LCS/LCSD-182440 <br /> QC Summary Report for SW8260B <br /> Analyte LCS LCSD SPK LCS LCSD LCS/LCSD RPD RPD <br /> Result Result Val %REC %REC Limits Limit <br /> cis-1,3-Dichloropropene 4.0 3.9 4 99 98 63-119 0.420 20 <br /> trans-1,3-Dichloropropene 4.0 4.0 4 100 100 63-116 0 20 <br /> Diisopropyl ether(DIPE) 4.0 4.0 4 100 100 64-128 0 20 <br /> Ethylbenzene 3.9 3.8 4 98 96 69-120 1.35 20 <br /> Ethyl tert-butyl ether(ETBE) 4.0 4.0 4 101 101 63-120 0 20 <br /> Freon 113 3.8 3.8 4 95 96 67-126 0.861 20 <br /> Hexachlorobutadiene 3.9 3.9 4 98 99 50-140 0.687 20 <br /> Hexachloroethane 3.3 3.3 4 83 84 52-122 0.227 20 <br /> 2-Hexanone 3.1 3.1 4 78 78 39-121 0 20 <br /> Isopropylbenzene 3.7 3.7 4 93 93 69-120 0 20 <br /> 4-Isopropyl toluene 4.0 3.9 4 99 99 72-122 0 20 <br /> Methyl-t-butyl ether(MTBE) 4.1 4.1 4 102 103 60-121 0.757 20 <br /> Methylene chloride 3.8 3.9 4 95 97 40-148 1.89 20 <br /> 4-Methyl-2-pentanone(MIBK) 3.4 3.5 4 85 87 48-115 1.29 20 <br /> Naphthalene 3.8 3.9 4 94 98 62-124 3.80 20 <br /> n-Propyl benzene 3.7 3.7 4 93 94 70-118 0.878 20 <br /> Styrene 3.5 3.4 4 86 86 57-118 0 20 <br /> 1,1,1,2-Tetrachloroethane 3.7 3.8 4 93 94 63-117 0.372 20 <br /> 1,1,2,2-Tetrachloroethane 3.6 3.6 4 90 91 60-116 1.16 20 <br /> Tetrachloroethene 3.7 3.7 4 92 92 60-131 0 20 <br /> Toluene 3.6 3.6 4 91 91 67-115 0 20 <br /> 1,2,3-Trichlorobenzene 3.9 4.0 4 97 100 60-128 3.10 20 <br /> 1,2,4-Trichlorobenzene 3.8 4.0 4 96 101 61-133 4.72 20 <br /> 1,1,1-Trichloroethane 4.1 4.1 4 103 103 67-124 0 20 <br /> 1,1,2-Trichloroethane 3.7 3.8 4 94 94 62-117 0 20 <br /> Trichloroethene 4.0 4.0 4 99 99 69-120 0 20 <br /> Trichlorofluoromethane 3.9 3.9 4 99 98 60-134 0.462 20 <br /> 1,2,3-Trichloropropane 1.8 1.8 2 88 89 56-120 1.75 20 <br /> 1,2,4-Tri methyl benzene 4.0 4.0 4 99 99 67-124 0 20 <br /> 1,3,5-Tri methyl benzene 3.9 3.9 4 98 97 69-122 0.293 20 <br /> Vinyl Chloride 2.2 2.1 2 108 107 52-145 0.552 20 <br /> m,p-Xylene 7.9 8.0 8 99 99 67-119 0 20 <br /> o-Xylene 4.0 3.9 4 101 99 68-120 2.11 20 <br /> (Cont.) <br /> CA ELAP 1644•NELAP 4033ORELAP <br /> Page 13 of 22 <br />