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QC Sample Results <br /> Client: Stantec Consulting Corp. TestAmerica Job ID: 320-24364-1 <br /> Project/Site: 7-Eleven#19976 <br /> Method: 8260B -Volatile Organic Compounds (GC/MS) (Continued) <br /> Lab Sample ID: LCSD 320-142323/8 Client Sample ID: Lab Control Sample Dup <br /> Matrix: Solid Prep Type: Total/NA <br /> Analysis Batch: 142323 <br /> Spike LCSD LCSD %Rec. RPD <br /> Analyte Added Result Qualifier Unit D %Rec Limits RPD Limit <br /> Styrene 50.0 51.46 ug/Kg 103 79-128 1 40 <br /> tert-Butyl alcohol(TBA) 500 465.1 ug/Kg 93 46-181 10 68 <br /> tert-Butylbenzene 50.0 54.66 ug/Kg 109 67-131 4 42 <br /> Tetrachloroethene 50.0 50.28 ug/Kg 101 65-135 0 39 <br /> Toluene 50.0 53.95 ug/Kg 108 80-124 1 39 <br /> trans-1,2-Dichloroethene 50.0 51.80 ug/Kg 104 67-135 2 37 <br /> trans-1,3-Dichloropropene 50.0 54.38 ug/Kg 109 80-148 2 42 <br /> Trichloroethene 50.0 52.91 ug/Kg 106 80-126 0 40 <br /> Trichlorofluoromethane 50.0 52.46 ug/Kg 105 43-158 0 32 <br /> Vinyl chloride 50.0 56.07 ug/Kg 112 67-127 1 37 <br /> Xylenes,Total 100 104.5 ug/Kg 105 75-122 0 15 <br /> LCSD LCSD <br /> Surrogate %Recovery Qualifier Limits <br /> 1,2-Dichloroethane-d4(Surr) 103 32-156 <br /> 4-Bromofluorobenzene(Surr) 106 63-143 <br /> Dibromofluoromethane(Surr) 108 55-129 <br /> Toluene-d8(Surr) 116 63-138 <br /> Method: 8260B/CA LUFTMS -Volatile Organic Compounds by GC/MS <br /> Lab Sample ID: MB 320-142322/12 Client Sample ID: Method Blank <br /> Matrix: Solid Prep Type: Total/NA <br /> Analysis Batch: 142322 <br /> MB MB <br /> Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac <br /> Gasoline Range Organics(GRO) NO 0.500 mg/Kg T2-/15/1615 53 1 <br /> -C7-C12 <br /> MB MB <br /> Surrogate %Recovery Qualifier Limits Prepared Analyzed Dil Fac <br /> 4-Bromofluorobenzene(Surr) 108 70-131 12/15/16 15:53 1 <br /> Lab Sample ID: LCS 320-142322/9 Client Sample ID: Lab Control Sample <br /> Matrix: Solid Prep Type: Total/NA <br /> Analysis Batch: 142322 <br /> Spike LCS LCS %Rec. <br /> Analyte Added Result Qualifier Unit D %Rec Limits <br /> Gasoline Range Organics(GRO) 1.00 0.9986 mg/Kg 100 76-123 <br /> -C7-C12 <br /> LCS LCS <br /> Surrogate %Recovery Qualifier Limits <br /> 4-Bromofluorobenzene(Surr) 107 70-131 RE "" EI) . 5iO <br /> DIL: <br /> ENVIRONMENTAL HEALTH <br /> DEPARTMENT <br /> TestAmerica Sacramento <br /> Page 12 of 20 12/15/2016 <br />