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QC Sample Results
<br />Job ID: 310-229849-1Client: WSB & Associates, Inc
<br />Project/Site: Kenzie Terrace
<br />Method: 8260D - Volatile Organic Compounds by GC/MS (Continued)
<br />Client Sample ID: Lab Control SampleLab Sample ID: LCS 310-351205/6
<br />Matrix: Water Prep Type: Total/NA
<br />Analysis Batch: 351205
<br />Dichlorobenzene, 1,4-20.0 21.22 ug/L 106 66 -126
<br />Analyte
<br />LCS LCS
<br />DUnitResultQualifier %Rec
<br />Spike
<br />Added
<br />%Rec
<br />Limits
<br />Dichloroethane, 1,1-20.0 19.46 ug/L 97 71 -131
<br />Dichloroethane, 1,2-20.0 20.75 ug/L 104 72 -128
<br />Dichloroethylene, 1,1-20.0 18.43 ug/L 92 64 -137
<br />Dichloroethylene, cis-1,2-20.0 19.22 ug/L 96 71 -130
<br />Dichloroethylene, trans-1,2 20.0 19.67 ug/L 98 69 -132
<br />Dichloromethane 20.0 17.27 ug/L 86 48 -150
<br />Dichloropropane, 1,2-20.0 20.42 ug/L 102 71 -130
<br />Dichloropropane, 1,3-20.0 19.10 ug/L 95 72 -130
<br />Dichloropropane, 2,2-20.0 18.78 ug/L 94 33 -150
<br />Dichloropropene, 1,1-20.0 20.56 ug/L 103 72 -130
<br />Dichloropropene, cis 1,3-20.0 19.20 ug/L 96 69 -122
<br />Dichloropropene, trans 1,3-20.0 18.15 ug/L 91 65 -123
<br />Diethyl ether 20.0 20.78 ug/L 104 70 -132
<br />Ethylbenzene 20.0 20.89 ug/L 104 73 -127
<br />Hexachlorobutadiene 20.0 17.19 ug/L 86 48 -150
<br />Isopropylbenzene 20.0 20.58 ug/L 103 71 -127
<br />p-Isopropyltoluene 20.0 20.31 ug/L 102 66 -128
<br />Methyl ethyl ketone (MEK)40.0 40.56 ug/L 101 49 -150
<br />4-Methyl-2-pentanone (MIBK)40.0 38.34 ug/L 96 60 -135
<br />Methyl tert-butyl ether 20.0 19.45 ug/L 97 68 -127
<br />Naphthalene 20.0 19.06 ug/L 95 43 -150
<br />Propylbenzene, n-20.0 20.39 ug/L 102 68 -129
<br />Styrene 20.0 19.95 ug/L 100 69 -127
<br />1,1,1,2-Tetrachloroethane 20.0 20.28 ug/L 101 69 -124
<br />1,1,2,2-Tetrachloroethane 20.0 19.33 ug/L 97 66 -129
<br />Tetrachloroethene 20.0 18.38 ug/L 92 68 -135
<br />Tetrahydrofuran 40.0 38.55 ug/L 96 60 -140
<br />Toluene 20.0 18.98 ug/L 95 71 -126
<br />1,2,3-Trichlorobenzene 20.0 18.67 ug/L 93 45 -150
<br />1,2,4-Trichlorobenzene 20.0 18.71 ug/L 94 57 -133
<br />1,1,1-Trichloroethane 20.0 20.78 ug/L 104 70 -129
<br />1,1,2-Trichloroethane 20.0 19.02 ug/L 95 68 -128
<br />Trichloroethene 20.0 20.07 ug/L 100 71 -130
<br />1,2,3-Trichloropropane 20.0 20.39 ug/L 102 61 -137
<br />1,1,2-Trichlorotrifluoroethane 20.0 17.27 ug/L 86 64 -142
<br />1,2,4-Trimethylbenzene 20.0 19.46 ug/L 97 64 -133
<br />1,3,5-Trimethylbenzene 20.0 19.96 ug/L 100 66 -134
<br />Xylenes, Total 40.0 43.31 ug/L 108 70 -128
<br />4-Bromofluorobenzene (Surr)80 -120
<br />Surrogate
<br />97
<br />LCS LCS
<br />Qualifier Limits%Recovery
<br />100Dibromofluoromethane (Surr)79 -120
<br />105Toluene-d8 (Surr)79 -120
<br />Eurofins Cedar Falls
<br />Page 55 of 90 5/17/2022
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