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c0- McCampbell Analytical, Inc. <br />"When Quality Counts" <br />1534 Willow Pass Road, Pittsburg, CA 94565-1701 <br />Toll Free Telephone: (877) 252-9262 / Fax: (925) 252-9269 <br />http://www.mccampbell.com / E-mail: main@mccampbell.com <br /> <br />Quality Control Report <br />Client: Castle Analytical Laboratory <br />Date Prepared: 08/04/2020 <br />Date Analyzed: 08/04/2020 <br />Instrument: GC38 <br />Matrix: Water <br />Project: 2007093/ Mizkan DRT 3297 / DRT 1026 <br />WorkOrder: 2007D44 <br />BatchID: 203092 <br />Extraction Method: E624.1 <br />Analytical Method: E624.1 <br />Unit: <br />Sample ID: MB/LCS/LCSD-203092 <br />QC Summary Report for E624.1 <br />Analyte LCS <br />Result <br />LCSD <br />Result <br />SPK <br />Val <br />LCS <br />%REC <br />LCSD <br />%REC <br />LCS/LCSD <br />Limits <br />RPD RPD <br />Limit <br />tert-Amyl methyl ether (TAME) 3.34 3.46 4 83 87 62-119 3.68 20 <br />Benzene 3.65 3.77 4 91 94 71-126 3.36 20 <br />Bromodichloromethane 3.64 3.80 4 91 95 63-119 4.16 20 <br />Bromoform 3.07 3.10 4 77 77 46-117 1.02 20 <br />Bromomethane 3.68 3.75 4 92 94 32-171 1.87 20 <br />t-Butyl alcohol (TBA) 12.1 12.0 16 75 75 40-131 0.956 20 <br />Carbon tetrachloride 3.63 3.74 4 91 94 67-122 3.07 20 <br />Chlorobenzene 3.59 3.70 4 90 93 71-117 3.04 20 <br />Chloroethane 3.26 3.36 4 81 84 53-136 3.08 20 <br />Chloroform 3.78 3.92 4 94 98 67-126 3.84 20 <br />Chloromethane 3.31 3.32 4 83 83 42-148 0.390 20 <br />Dibromochloromethane 3.41 3.54 4 85 89 52-120 3.81 20 <br />1,2-Dibromoethane (EDB) 1.73 1.78 2 87 89 58-117 2.88 20 <br />1,2-Dichlorobenzene 3.45 3.55 4 86 89 71-117 2.69 20 <br />1,3-Dichlorobenzene 3.74 3.78 4 94 95 74-116 1.03 20 <br />1,4-Dichlorobenzene 3.56 3.63 4 89 91 71-115 1.77 20 <br />1,1-Dichloroethane 3.54 3.67 4 89 92 68-128 3.44 20 <br />1,2-Dichloroethane (1,2-DCA) 3.40 3.53 4 85 88 61-123 3.80 20 <br />1,1-Dichloroethene 3.56 3.66 4 89 91 65-126 2.83 20 <br />trans-1,2-Dichloroethene 3.76 3.88 4 94 97 70-126 3.02 20 <br />1,2-Dichloropropane 3.48 3.63 4 87 91 67-124 4.14 20 <br />cis-1,3-Dichloropropene 3.57 3.70 4 89 93 63-119 3.60 20 <br />trans-1,3-Dichloropropene 3.45 3.60 4 86 90 63-116 4.13 20 <br />Diisopropyl ether (DIPE) 3.42 3.59 4 85 90 64-128 4.83 20 <br />Ethylbenzene 3.52 3.62 4 88 91 69-120 2.79 20 <br />Ethyl tert-butyl ether (ETBE) 3.42 3.59 4 86 90 63-120 4.77 20 <br />Methyl-t-butyl ether (MTBE) 3.21 3.34 4 80 83 60-121 3.79 20 <br />Methylene chloride 3.65 3.77 4 91 94 40-148 3.33 20 <br />Styrene 3.41 3.44 4 85 86 57-118 0.965 20 <br />1,1,2,2-Tetrachloroethane 3.47 3.56 4 87 89 60-116 2.68 20 <br />Tetrachloroethene 3.68 3.80 4 92 95 60-131 3.04 20 <br />Toluene 3.47 3.58 4 87 90 67-115 3.12 20 <br />1,2,4-Trichlorobenzene 3.63 3.60 4 91 90 61-133 0.890 20 <br />1,1,1-Trichloroethane 3.77 3.88 4 94 97 67-124 3.01 20 <br />1,1,2-Trichloroethane 3.59 3.74 4 90 93 62-117 4.03 20 <br />Trichloroethene 3.54 3.65 4 88 91 69-120 3.12 20 <br />Trichlorofiuoromethane 3.61 3.74 4 90 94 60-134 3.66 20 <br />Vinyl chloride 2.00 2.02 2 100 101 52-145 0.984 20 <br />(Cont.) <br />CA ELAP 1644 • NELAP 40330RELAP <br />Page 15 of 30