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1534 Willow Pass Road, Pittsburg, CA 9456570%JL;;l V D <br />McCampbell Analytical, Inc. Toll Free Telephone: (877)252-9262/Fax: (925)252- <br />"When Quality Counts" http://www.mccwMbell.com/ E-mail: main@mccampbell.com <br />FEB 0 8 261t <br />Quality Control Report ENVIRONMENTAL <br />Client: GHD WorkOrder: 1601183 1T9-! 017PARTMENT <br />Date Prepared: 1/7/16 BatchID: 115131 <br />Date Analyzed: 1/8/16 Extraction Method: SW5030B <br />Instrument: GC16 Analytical Method: SW8260B <br />Matrix: Soil Unit: mg/Kg <br />Project: Chevron 201383 Sample ID: MB/LCS-115131 <br />1601186-OOIAMS/MSD <br />QC Summary Report for SW8260B <br />Analyte <br />MB <br />Result <br />LCS <br />Result <br />RL <br />SPK MB SS LCS <br />Val %REC %REC <br />LCS <br />Limits <br />Surrogate Recovery <br />Dibromofluoromethane <br />0.0990 <br />0.101 <br />0.12 79 <br />81 <br />70-130 <br />Toluene -d8 <br />0.111 <br />0.111 <br />0.12 89 <br />89 <br />70-130 <br />4 -BFB <br />0.0109 <br />0.0110 <br />0.012 87 <br />88 <br />70-130 <br />Benzene -d6 <br />0.0965 <br />0.0961 <br />0.10 97 <br />96 <br />60-140 <br />Ethylbenzene-d10 <br />0.110 <br />0.109 <br />0.10 110 <br />109 <br />60-140 <br />1,2 -DCB -d4 <br />0.0778 <br />0.0821 <br />0.10 78 <br />82 <br />60-140 <br />Analyte <br />MS <br />Result <br />MSD <br />Result <br />SPK SPKRef <br />Val Val <br />MS MSD <br />%REC %REC <br />MS/MSD <br />Limits <br />RPD <br />RPD <br />Limit <br />tert-Amyl methyl ether (TAME) <br />0.0438 <br />0.0472 <br />0.050 ND <br />88 94 <br />70-130 <br />7.47 <br />20 <br />Benzene <br />0.0442 <br />0.0467 <br />0.050 ND <br />88 93 <br />70-130 <br />5.53 <br />20 <br />t -Butyl alcohol (TBA) <br />0.166 <br />0.184 <br />0.20 ND <br />83 92 <br />70-130 <br />10.5 <br />20 <br />Chlorobenzene <br />0.0424 <br />0.0447 <br />0.050 ND <br />85 89 <br />70-130 <br />5.30 <br />20 <br />1,2-Dibromoethane (EDB) <br />0.0443 <br />0.0472 <br />0.050 ND <br />89 94 <br />70-130 <br />6.23 <br />20 <br />1,2-Dichloroethane (1,2 -DCA) <br />0.0434 <br />0.0467 <br />0.050 ND <br />87 93 <br />70-130 <br />7.29 <br />20 <br />1,1-Dichloroethene <br />0.0396 <br />0.0413 <br />0.050 ND <br />79 83 <br />70-130 <br />4.22 <br />20 <br />Diisopropyl ether (DIPE) <br />0.0455 <br />0.0487 <br />0.050 ND <br />91 97 <br />70-130 <br />6.82 <br />20 <br />Ethyl tert-butyl ether (ETBE) <br />0.0450 <br />0.0485 <br />0.050 ND <br />90 97 <br />70-130 <br />7.41 <br />20 <br />Methyl -t -butyl ether (MTBE) <br />0.0447 <br />0.0476 <br />0.050 ND <br />89 95 <br />70-130 <br />6.30 <br />20 <br />Toluene <br />0.0390 <br />0.0417 <br />0.050 ND <br />78 83 <br />70-130 <br />6.58 <br />20 <br />Trichloroethene <br />0.0498 <br />0.0524 <br />0.050 ND <br />100 105 <br />70-130 <br />5.06 <br />20 <br />Surrogate Recovery <br />Dibromofluoromethane <br />0.116 <br />0.117 <br />0.12 <br />93 94 <br />70-130 <br />0.462 <br />20 <br />Toluene -d8 <br />0.116 <br />0.118 <br />0.12 <br />93 95 <br />70-130 <br />1.68 <br />20 <br />4 -BFB <br />0.00991 <br />0.0100 <br />0.012 <br />79 80 <br />70-130 <br />1.38 <br />20 <br />Benzene -d6 <br />0.0997 <br />0.103 <br />0.10 <br />100 103 <br />60-140 <br />3.16 <br />20 <br />Ethylbenzene-d10 <br />0.0975 <br />0.101 <br />0.10 <br />98 101 <br />60-140 <br />3.75 <br />20 <br />1,2 -DCB -d4 <br />0.103 <br />0.105 <br />0.10 <br />103 105 <br />60-140 <br />1.61 <br />20 <br />CDPH ELAP 1644 ♦ NELAP 4033ORELAP QA/QC Officer <br />Page 13 of 20 <br />