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(OS) L1452176-01 01/19/22 <br />Analyte <br />13:25 • (MS) R3751767-4 01/19/22 <br />Spike Amount Original Result <br />(dry) (dry) <br />mg/kg mg/kg <br />18:11 • (MSD) R3751767-5 01/19/22 <br />MSD Result MS Result (dry) MS Rec. (dry) <br />mg/kg mg/kg <br />18:30 <br />MSD Rec. Dilution Rec. Limits <br />% <br />MS Qualifier MSD Qualifier RPD <br />% <br />RPD Limits <br />% <br />Carbon tetrachloride 0.156 u 0.218 0.106 139 68.1 1 10.0-145 J3 68.6 37 <br />Chlorobenzene 0.156 u 0.198 0.128 126 81.6 1 10.0-152 J3 43.1 39 <br />Chlorodibromomethane 0.156 U 0.208 0.156 133 100 1 10.0-146 28.2 37 <br />Chloroethane 0.156 u 0.215 0.130 138 83.2 1 10.0-146 J3 49.3 40 <br />Chloroform 0.156 u 0.191 0.118 122 75.4 1 10.0-146 J3 47.5 37 <br />Chloromethane 0.156 u 0.170 0.0963 109 61.6 1 10.0-159 J3 55.4 37 <br />2-Chlorotoluene 0.156 0.00907 0.209 0.145 128 87.0 1 10.0-159 36.0 38 <br />4-Chlorotoluene 0.156 u 0.181 0.121 116 77.5 1 10.0-155 J3 39.8 39 <br />1,2-Dibromo-3-Chloropropane 0.156 u 0.154 0.134 98.4 85.6 1 10.0-151 13.9 39 <br />1,2-Dibromoethane 0.156 u 0.175 0.148 112 94.4 1 10.0-148 17.1 34 <br />Dibromomethane 0.156 U 0.188 0.155 120 99.2 1 10.0-147 19.0 35 <br />1,2-Dichlorobenzene 0.156 U 0.188 0.140 120 89.6 1 10.0-155 29.0 37 <br />1,3-Dichlorobenzene 0.156 U 0.191 0.133 122 84.8 1 10.0-153 36.3 38 <br />1,4-Dichlorobenzene 0.156 U 0.186 0.135 119 86.4 1 10.0-151 31.9 38 <br />Dichlorodifluoromethane 0.156 U 0.253 0.126 162 80.8 1 10.0-160 J5 J3 66.7 35 <br />1,1-Dichloroethane 0.156 U 0.173 0.104 110 66.7 1 10.0-147 J3 49.3 37 <br />1,2-Dichloroethane 0.156 U 0.198 0.158 126 101 1 10.0-148 22.5 35 <br />1,1-Dichloroethene 0.156 U 0.208 0.106 133 67.7 1 10.0-155 J3 65.0 37 <br />cis-1,2-Dichloroethene 0.156 U 0.179 0.115 114 73.7 1 10.0-149 J3 43.3 37 <br />trans-1,2-Dichloroethene 0.156 U 0.178 0.0992 114 63.4 1 10.0-150 J3 56.7 37 <br />1,2-Dichloropropane 0.156 U 0.185 0.125 118 80.0 1 10.0-148 J3 38.7 37 <br />1,1-Dichloropropene 0.156 U 0.203 0.104 130 66.7 1 10.0-153 J3 64.1 35 <br />1,3-Dichloropropane 0.156 U 0.170 0.139 109 88.8 1 10.0-154 20.2 35 <br />cis-1,3-Dichloropropene 0.156 U 0.209 0.151 134 96.8 1 10.0-151 31.9 37 <br />trans-1,3-Dichloropropene 0.156 U 0.188 0.143 120 91.2 1 10.0-148 27.3 37 <br />2,2-Dichloropropane 0.156 U 0.226 0.103 145 65.9 1 10.0-138 J5 J3 74.9 36 <br />Di-isopropyl ether 0.156 U 0.156 0.104 100 66.8 1 10.0-147 J3 39.8 36 <br />Ethylbenzene 0.156 U 0.196 0.116 126 73.9 1 10.0-160 J3 51.8 38 <br />Hexachloro-1,3-butadiene 0.156 U 0.269 0.186 172 119 1 10.0-160 J5 36.3 40 <br />lsopropylbenzene 0.156 U 0.210 0.130 134 83.2 1 10.0-155 J3 47.1 38 <br />p-lsopropyltoluene 0.156 u 0.198 0.122 126 78.2 1 10.0-160 J3 47.1 40 <br />2-Butanone (MEK) 0.782 U 0.614 0.598 78.6 76.5 1 10.0-160 2.68 40 <br />Methylene Chloride 0.156 U 0.0502 0.0324 32.1 20.7 1 10.0-141 J3 43.0 37 <br />4-Methyl-2-pentanone (MIBK) 0.782 U 0.743 0.667 95.0 85.3 1 10.0-160 10.8 35 <br />Methyl tert-butyl ether 0.156 U 0.196 0.161 126 103 1 11.0-147 19.6 35 <br />Naphthalene 0.156 U 0.198 0.151 126 96.8 1 10.0-160 26.5 36 <br />n-Propylbenzene 0.156 U 0.188 0.115 120 73.8 1 10.0-158 J3 47.6 38 <br />Styrene 0.156 U 0.188 0.125 120 80.0 1 10.0-160 40.0 40 <br />1,1,1,2-Tetrachloroethane 0.156 U 0.205 0.139 131 88.8 1 10.0-149 38.5 39 <br />3 <br />SS <br />4 <br />Cn <br />Sr <br />7 <br />Qc <br />10 <br />S c <br />3 <br />GI <br />Al <br />WG1804522 QUALITY CONTROL SUMMARY <br />Volatile Organic Compounds (GC/MS) by Method 8260B L1452254-01 <br />L1452176-01 Original Sample (OS) • Matrix Spike (MS) • Matrix Spike Duplicate (MSD) <br />ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE: <br />ATC -San Ramon, CA 2048504278 L1452254 01/27/22 11:24 18 of 23