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1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> M c C a m p b e I l Analytical, Inc. Toll Free Telephone:(877)252-9262/Fax:(925)252-9269 <br /> "When Quality Counts" http://www.mccampbell.com/E-mail:main@mccampbell.com <br /> Quality Control Report <br /> Client: GeoRestoration,Inc. WorkOrder: 1407082 <br /> Date Prepared: 7/9/14 BatchID: 92533 <br /> Date Analyzed: 7/9/14 Extraction Method: SW5030B <br /> Instrument: GC28 Analytical Method: SW8260B <br /> Matrix: Water Unit: µg/L <br /> Project: #1163-3;Metalsa Sample ID: MB/LCS-92533 <br /> 1407082-020AMS/MSD <br /> QC Summary Report for SW8260B <br /> Analyte MS MSD SPK SPKRef MS MSD MS/MSD RPD RPD <br /> Result Result Val Val %REC %REC Limits Limit <br /> tert-Amyl methyl ether(TAME) 19.6 18.4 20 ND 98.2 92.3 70-130 6.25 20 <br /> Benzene 19.6 18.4 20 ND 98.1 91.8 70-130 6.59 20 <br /> t-Butyl alcohol(TBA) 89.2 89.0 80 ND 112 111 70-130 0.312 20 <br /> Chlorobenzene 19.3 18.2 20 ND 96.5 91.3 70-130 5.58 20 <br /> 1,2-Dibromoethane(EDB) 18.0 17.6 20 ND 90.2 87.9 70-130 2.53 20 <br /> 1,2-Dichloroethane(1,2-DCA) 18.1 17.3 20 ND 90.3 86.6 70-130 4.23 20 <br /> 1,1-Dichloroethene 16.9 16.0 20 ND 84.6 79.8 70-130 5.84 20 <br /> Diisopropyl ether(DIPS) 18.3 17.1 20 ND 91.7 85.5 70-130 7.00 20 <br /> Ethyl tert-butyl ether(ETBE) 19.4 18.4 20 ND 97.2 91.7 70-130 5.78 20 <br /> Methyl-t-butyl ether(MTBE) 20.3 19.2 20 ND 101 95.8 70-130 5.58 20 <br /> Toluene 19.5 18.2 20 ND 97.3 90.8 70-130 6.95 20 <br /> Trichloroethene 20.3 18.6 20 ND 102 93.2 70-130 8.55 20 <br /> Surrogate Recovery <br /> Dibromofluoromethane 42.2 40.9 45 94 91 70-130 3.10 20 <br /> Toluene-d8 40.1 39.7 45 89 88 70-130 0.888 20 <br /> 4-BFB 4.01 3.94 4.5 89 88 70-130 1.67 20 <br /> CDPH ELAP 1644♦NELAP 4033ORELAP `' QA/QC Officer <br /> Page 50 of 65 <br />