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QC Sample Results <br />Client: GHD Services Inc. Job ID: 320-84307-1 <br />Project/Site: RFR - Simplot Lathrop <br />Method: 8260B - Volatile Organic Compounds (GC/MS) (Continued) <br />Lab Sample ID: LCSD 320-562623/8 <br />Matrix: Solid <br />Analysis Batch: 562623 <br />Analyte <br />Spike <br />Added <br />LCSD LCSD <br />Result Qualifier <br />Client Sample ID: Lab Control Sample Dup <br />Prep Type: Total/NA <br />%Rec. RPD <br />Unit D %Rec Limits RPD Limit <br />1,2-Dichloropropane 0.0500 0.0476 mg/Kg 95 80 _ 129 0 38 <br />1,3-Dichloropropane 0.0500 0.0503 mg/Kg 101 80 - 123 1 39 <br />2,2-Dichloropropane 0.0500 0.0434 mg/Kg 87 69 - 153 2 47 <br />cis-1,3-Dichloropropene 0.0500 0.0486 mg/Kg 97 80 - 134 0 39 <br />trans-1,3-Dichloropropene 0.0500 0.0506 mg/Kg 101 80 - 148 0 42 <br />1,1-Dichloropropene 0.0500 0.0421 mg/Kg 84 76 _ 132 3 38 <br />Ethylbenzene 0.0500 0.0446 mg/Kg 89 72 _ 125 3 41 <br />Hexachlorobutadiene 0.0500 0.0481 mg/Kg 96 52 - 140 4 38 <br />2-Hexanone 0.125 0.123 mg/Kg 98 78 - 143 0 73 <br />Isopropylbenzene 0.0500 0.0446 mg/Kg 89 69- 137 2 41 <br />p-Isopropyltoluene 0.0500 0.0464 mg/Kg 93 64 _ 137 1 40 <br />4-Methyl-2-pentanone (MIBK) 0.125 0.124 mg/Kg 99 79 _ 150 1 48 <br />Methyl tert-butyl ether 0.0500 0.0671 mg/Kg 134 66 _ 146 1 45 <br />Methylene Chloride 0.0500 0.0459 mg/Kg 92 77- 125 1 25 <br />Naphthalene 0.0500 0.0560 mg/Kg 112 53 - 140 2 46 <br />N-PropyIbenzene 0.0500 0.0445 mg/Kg 89 63- 128 2 42 <br />Styrene 0.0500 0.0475 mg/Kg 95 79 - 128 0 40 <br />1,1,1,2-Tetrachloroethane 0.0500 0.0474 mg/Kg 95 77 - 134 2 25 <br />1,1,2,2-Tetrachloroethane 0.0500 0.0513 mg/Kg 103 71 -134 5 31 <br />Tetrachloroethene 0.0500 0.0417 mg/Kg 83 65 - 135 3 39 <br />Toluene 0.0500 0.0447 mg/Kg 89 80 - 124 0 39 <br />1,2,3-Trichlorobenzene 0.0500 0.0554 mg/Kg 111 54-140 1 42 <br />1,2,4-Trichlorobenzene 0.0500 0.0521 mg/Kg 104 48 - 145 0 39 <br />1,1,1-Trichloroethane 0.0500 0.0419 mg/Kg 84 67 - 150 2 43 <br />1,1,2-Trichloroethane 0.0500 0.0487 mg/Kg 97 80 _ 128 3 41 <br />1,1,2-Trichloro-1,2,2-trifluoroetha <br />ne <br />0.0500 0.0404 mg/Kg 81 62 - 138 6 22 <br />Trichloroethene 0.0500 0.0435 mg/Kg 87 80 - 126 1 40 <br />Trichlorofluoromethane 0.0500 0.0406 mg/Kg 81 43 - 158 1 32 <br />1,2,3-Trichloropropane 0.0500 0.0495 mg/Kg 99 71 -132 5 41 <br />1,2,4-Trimethylbenzene 0.0500 0.0475 mg/Kg 95 64 _ 137 1 41 <br />1,3,5-Trimethylbenzene 0.0500 0.0464 mg/Kg 93 66 _ 135 2 42 <br />Vinyl acetate 0.0500 0.0521 mg/Kg 104 39- 160 1 50 <br />Vinyl chloride 0.0500 0.0411 mg/Kg 82 67 - 127 2 37 <br />m-Xylene & p-Xylene 0.0500 0.0451 mg/Kg 90 73 - 128 1 40 <br />o-Xylene 0.0500 0.0468 mg/Kg 94 76 _ 127 2 40 <br />Xylenes, Total 0.100 0.0919 mg/Kg 92 75 - 122 2 15 <br />LCSD LCSD <br />Surrogate %Recovery Qualifier Limits <br />4-Bromofluorobenzene (Surr) 99 63- 143 <br />1,2-Dichloroethane-d4 (Surr) 93 32 -156 <br />Toluene-d8 (Surr) 95 63- /38 <br />Dibromofluoromethane (Surr) 93 55 -129 <br />8 <br />Eurofins Sacramento <br />Page 16 of 26 2/7/2022