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QC Sample Results <br /> Client: GHD Services Inc. TestAmerica Job ID: 720-91968-1 <br /> Project/Site: UPRR-Tracy Substation <br /> Method: 8260B -Volatile Organic Compounds (GC/MS) (Continued) <br /> Lab Sample ID: 720-91968-1 MSD Client Sample ID:WR#19721 <br /> Matrix: Solid Prep Type: Total/NA <br /> Analysis Batch: 262202 Prep Batch: 262251 <br /> Sample Sample Spike MSD MSD %Rec. RPD <br /> Analyte Result Qualifier Added Result Qualifier Unit D %Rec Limits RPD Limit <br /> Hexachlorobutadiene ND 49.3 32.2 F2 ug/Kg 65 58-132 21 20 <br /> 2-Hexanone ND 247 320 ug/Kg 130 44-150 17 20 <br /> Isopropylbenzene ND 49.3 53.3 ug/Kg 108 65-130 11 20 <br /> 4-Isopropyltoluene ND 49.3 55.5 ug/Kg 113 69-134 12 20 <br /> Methylene Chloride ND 49.3 58.0 ug/Kg 118 63-130 12 20 <br /> 4-Methyl-2-pentanone(MIBK) ND 247 327 ug/Kg 133 51-140 15 20 <br /> Naphthalene ND 49.3 58.3 ug/Kg 118 45-146 18 20 <br /> N-Propylbenzene 1.5 J 49.3 62.3 ug/Kg 123 70-130 9 20 <br /> Styrene ND 49.3 53.3 ug/Kg 108 58-135 9 20 <br /> 1,1,1,2-Tetrachloroethane ND 49.3 55.9 ug/Kg 113 64-133 11 20 <br /> 1,1,2,2-Tetrachloroethane ND 49.3 77.0 F1 ug/Kg 156 70-131 12 20 <br /> Tetrachloroethene ND 49.3 45.6 ug/Kg 92 67-130 10 20 <br /> Toluene ND 49.3 59.5 ug/Kg 121 70-130 10 20 <br /> 1,2,3-Trichlorobenzene ND 49.3 47.8 ug/Kg 97 58-138 19 20 <br /> 1,2,4-Trichlorobenzene ND 49.3 48.3 ug/Kg 98 49-144 18 20 <br /> 1,1,1-Trichloroethane ND 49.3 52.7 ug/Kg 107 57-133 10 20 <br /> 1,1,2-Trichloroethane ND 49.3 61.8 ug/Kg 125 68-132 11 20 <br /> Trichloroethene ND 49.3 49.5 ug/Kg 100 66-130 11 20 <br /> Trichlorofluoromethane ND 49.3 54.7 ug/Kg 111 61-130 7 20 <br /> 1,2,3-Trichloro propane ND 49.3 73.1 ug/Kg 148 62-150 13 20 <br /> 1,1,2-Trichloro-1,2,2-trifluoroetha ND 49.3 49.6 ug/Kg 101 52-130 9 20 <br /> ne <br /> 1,2,4-Trimethylbenzene 4.3 J 49.3 62.8 ug/Kg 119 64-140 11 20 <br /> 1,3,5-Trimethylbenzene 3.4 J 49.3 63.7 ug/Kg 122 67-134 11 20 <br /> Vinyl acetate ND 49.3 21.4 F1 F2 ug/Kg 43 52-150 32 20 <br /> Vinyl chloride ND 49.3 53.3 ug/Kg 108 62-130 5 20 <br /> m-Xylene&p-Xylene 2.4 J 49.3 58.8 ug/Kg 114 70-130 10 20 <br /> o-Xylene 3.0 J 49.3 58.9 ug/Kg 113 68-130 10 20 <br /> Xylenes,Total 5.4 98.6 118 ug/Kg 114 70-130 10 20 <br /> 2,2-Dichloropropane ND 49.3 55.3 ug/Kg 112 63-130 12 20 <br /> MSD MSD <br /> Surrogate %Recovery Qualifier Limits <br /> 4-Bromofluorobenzene 101 45-131 <br /> 1,2-Dichloroethane-d4(Surr) 104 60-140 <br /> Toluene-d8(Surr) 97 58-140 <br /> Method: 8015B - Diesel Range Organics (DRO) (GC) <br /> Lab Sample ID: MB 720-262107/1-A Client Sample ID: Method Blank <br /> Matrix: Solid Prep Type: Total/NA <br /> Analysis Batch: 262206 Prep Batch: 262107 <br /> MB MB <br /> Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac <br /> Diesel Range Organics[C10-C28] ND 2.0 0.75 mg/Kg 03/15/19 14:48 03/19/19 12:01 1 <br /> Motor Oil Range Organics[C24-C36] ND 50 10 mg/Kg 03/15/19 14:48 03/19/19 12:01 1 <br /> TestAmerica Pleasanton <br /> Page 18 of 30 3/20/2019 <br />