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QC Sample Results C <br /> Client: Geosyntec Consultants, Inc. TestAmerica Job ID: 320-47216-1 <br /> Project/Site: WR2501 Port of Stockton <br /> Method: 82608 - Volatile Organic Compounds (GC/MS) (Continued) <br /> Lab Sample ID: LCS 320-274191/3 Client Sample ID: Lab Control Sample <br /> Matrix: Water Prep Type: Total/NA <br /> Analysis Batch: 274191 <br /> Spike LCS LCS %Rec. <br /> Analyte Added Result Qualifier Unit D %Rec Limits <br /> 1,1,1-Trichloroethane 20.0 19.9 ug/L 99 79-121 <br /> 1,1,2-Trichloroethane 20.0 20.4 ug/L 102 79-127 <br /> m-Xylene&p-Xylene 20.0 19.7 ug/L 99 80-121 <br /> Trichloroethene 20.0 19.1 ug/L 95 74-120 <br /> o-Xylene 20.0 20.0 ug/L 100 80-124 <br /> Trichlorofluoromethane 20.0 20.5 ug/L 103 60-135 <br /> 1,2,3-Trichloropropane 20.0 21.3 ug/L 106 73-120 <br /> 1,2,4-Trimethylbenzene 20.0 20.1 ug/L 100 76-120 <br /> 1,3,5-Trimethylbenzene 20.0 20.4 ug/L 102 79-120 <br /> Vinyl chloride 20.0 20.2 ug/L 101 68-121 <br /> LCS LCS <br /> Surrogate %Recovery Qualifier Limits <br /> 4-Bromofluorobenzene(Surr) 91 74-120 <br /> 1,2-Dichloroethane-d4(Surr) 86 72-123 <br /> Toluene-d8(Surr) 88 78-120 ❑ <br /> Dibromofluoromethane(Surr) 90 80-123 <br /> Lab Sample ID: LCSD 320-274191/28 Client Sample ID: Lab Control Sample Dup <br /> Matrix: Water Prep Type: Total/NA <br /> Analysis Batch: 274191 <br /> Spike LCSD LCSD %Rec. RPD <br /> Analyte Added Result Qualifier Unit D %Rec Limits RPD Limit <br /> Benzene 20.0 20.6 ug/L 103 79-120 3 21 <br /> Bromobenzene 20.0 19.2 ug/L 96 80-120 6 17 <br /> Bromochloromethane 20.0 23.1 ug/L 116 80-120 12 19 <br /> Bromodichloromethane 20.0 21.0 ug/L 105 80-124 0 20 <br /> Bromoform 20.0 25.3 ug/L 127 80-120 3 16 <br /> Bromomethane 20.0 19.5 ug/L 98 65-132 0 40 <br /> Carbon tetrachloride 20.0 20.2 ug/L 101 78-124 1 25 <br /> Chlorobenzene 20.0 19.0 ug/L 95 78-120 2 15 <br /> Chloroethane 20.0 19.6 ug/L 98 65-123 0 40 <br /> Chloroform 20.0 21.0 ug/L 105 80-120 3 22 <br /> Chloromethane 20.0 19.0 ug/L 95 62-129 1 25 <br /> 2-Chlorotoluene 20.0 19.1 ug/L 95 79-120 3 19 <br /> 4-Chlorotoluene 20.0 19.2 ug/L 96 80-121 3 19 <br /> 1,2-Dibromo-3-Chloropropane 20.0 21.3 ug/L 107 66-121 10 33 <br /> 1,2-Dibromoethane(EDB) 20.0 20.5 ug/L 102 78-120 1 15 <br /> Dibromomethane 20.0 21.6 ug/L 108 80-121 5 17 <br /> 1,2-Dichlorobenzene 20.0 19.2 ug/L 96 77-120 2 19 <br /> 1,3-Dichlorobenzene 20.0 19.4 ug/L 97 78-120 3 17 <br /> 1,4-Dichlorobenzene 20.0 19.3 ug/L 96 74-120 5 15 <br /> Dichlorodifluoromethane 20.0 19.4 ug/L 97 39-161 7 51 <br /> 1,1-Dichloroethane 20.0 20.3 ug/L 102 79-120 4 21 <br /> 1,2-Dichloroethane 20.0 21.7 ug/L 109 77-128 5 25 <br /> cis-1,2-Dichloroethene 20.0 19.8 ug/L 99 78-120 5 18 <br /> 1,1-Dichloroethene 20.0 19.4 ug/L 97 74-120 2 22 <br /> 1,2-Dichloropropane 20.0 20.3 ug/L 102 75-125 0 27 <br /> 1,3-Dichloropropane 20.0 19.7 ug/L 99 79-120 0 15 <br /> TestAmerica Sacramento <br /> Page 28 of 57 2/15/2019 <br />