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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 310-351186/2-A
<br />Matrix: Solid Prep Type: Total/NA
<br />Analysis Batch: 351296 Prep Batch: 351186
<br />Dichlorobenzene, 1,4-0.987 0.9346 mg/Kg 95 80 -121
<br />Analyte
<br />LCS LCS
<br />DUnitResultQualifier %Rec
<br />Spike
<br />Added
<br />%Rec
<br />Limits
<br />Dichloroethane, 1,1-0.987 0.9868 mg/Kg 100 75 -150
<br />Dichloroethane, 1,2-0.987 1.119 mg/Kg 113 79 -141
<br />Dichloroethylene, 1,1-0.987 0.8288 mg/Kg 84 60 -150
<br />Dichloroethylene, cis-1,2-0.987 1.013 mg/Kg 103 80 -140
<br />Dichloroethylene, trans-1,2 0.987 0.9087 mg/Kg 92 75 -146
<br />Dichloromethane 0.987 0.9768 mg/Kg 99 62 -150
<br />Dichloropropane, 1,2-0.987 1.127 mg/Kg 114 80 -143
<br />Dichloropropane, 1,3-0.987 1.058 mg/Kg 107 80 -129
<br />Dichloropropane, 2,2-0.987 1.008 mg/Kg 102 64 -150
<br />Dichloropropene, 1,1-0.987 1.041 mg/Kg 105 80 -137
<br />Dichloropropene, cis 1,3-0.987 1.091 mg/Kg 111 80 -127
<br />Dichloropropene, trans 1,3-0.987 1.085 mg/Kg 110 80 -129
<br />Ethyl ether 0.987 0.9943 mg/Kg 101 75 -146
<br />Ethylbenzene 0.987 1.070 mg/Kg 108 80 -126
<br />Hexachlorobutadiene 0.987 0.8402 mg/Kg 85 51 -150
<br />Isopropylbenzene 0.987 0.9777 mg/Kg 99 80 -128
<br />p-Isopropyltoluene 0.987 0.8826 mg/Kg 89 79 -124
<br />Methyl ethyl ketone (MEK)1.97 1.963 mg/Kg 99 57 -150
<br />4-Methyl-2-pentanone (MIBK)1.97 2.082 mg/Kg 106 72 -137
<br />Methyl tert-butyl ether 0.987 1.020 mg/Kg 103 73 -147
<br />Naphthalene 0.987 0.9134 mg/Kg 93 47 -147
<br />Propylbenzene, n-0.987 0.9949 mg/Kg 101 79 -131
<br />Styrene 0.987 1.003 mg/Kg 102 80 -129
<br />1,1,1,2-Tetrachloroethane 0.987 1.002 mg/Kg 102 78 -125
<br />1,1,2,2-Tetrachloroethane 0.987 1.005 mg/Kg 102 74 -133
<br />Tetrachloroethene 0.987 0.9149 mg/Kg 93 80 -129
<br />Tetrahydrofuran 1.97 2.155 mg/Kg 109 68 -150
<br />Toluene 0.987 0.9865 mg/Kg 100 80 -126
<br />1,2,3-Trichlorobenzene 0.987 0.8391 mg/Kg 85 48 -148
<br />1,2,4-Trichlorobenzene 0.987 0.8446 mg/Kg 86 70 -125
<br />1,1,1-Trichloroethane 0.987 1.054 mg/Kg 107 79 -136
<br />1,1,2-Trichloroethane 0.987 1.054 mg/Kg 107 80 -130
<br />Trichloroethene 0.987 1.017 mg/Kg 103 80 -137
<br />1,2,3-Trichloropropane 0.987 1.020 mg/Kg 103 66 -142
<br />1,1,2-Trichlorotrifluoroethane 0.987 0.9584 mg/Kg 97 64 -150
<br />1,2,4-Trimethylbenzene 0.987 0.9534 mg/Kg 97 79 -128
<br />1,3,5-Trimethylbenzene 0.987 0.9450 mg/Kg 96 80 -125
<br />Xylenes, Total 1.97 2.042 mg/Kg 103 80 -132
<br />4-Bromofluorobenzene (Surr)79 -120
<br />Surrogate
<br />106
<br />LCS LCS
<br />Qualifier Limits%Recovery
<br />99Dibromofluoromethane (Surr)80 -124
<br />105Toluene-d8 (Surr)78 -120
<br />Eurofins Cedar Falls
<br />Page 49 of 90 5/17/2022
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