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M c C a m p b e I l Analytical, Inc. 1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> 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: Hurvitz Environmental WorkOrder: 1412460 <br /> Date Prepared: 12/10/14 BatchID: 98808 <br /> Date Analyzed: 12/11/14 Extraction Method: SW5030B <br /> Instrument: GC28 Analytical Method: SW8260B <br /> Matrix: Soil Unit: mg/Kg <br /> Project: #3084.01;Donaldson Tire Sample ID: MB/LCS-98808 <br /> 1412428-020AMS/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) 0.0345 0.0344 0.050 ND 69,F1 69,F1 70-130 0 30 <br /> Benzene 0.0424 0.0434 0.050 ND 85 87 70-130 2.25 30 <br /> t-Butyl alcohol(TBA) 0.167 0.150 0.20 ND 83 75 70-130 10.6 30 <br /> Chlorobenzene 0.0450 0.0449 0.050 ND 90 90 70-130 0 30 <br /> 1,2-Dibromoethane(EDB) 0.0374 0.0378 0.050 ND 75 76 70-130 1.18 30 <br /> 1,2-Dichloroethane(1,2-DCA) 0.0360 0.0361 0.050 ND 72 72 70-130 0 30 <br /> 1,1-Dichloroethene 0.0399 0.0428 0.050 ND 80 85 70-130 6.79 30 <br /> Diisopropyl ether(DIPE) 0.0308 0.0312 0.050 NO 62,F1 62,F1 70-130 0 30 <br /> Ethyl tert-butyl ether(ETBE) 0.0323 0.0334 0.050 ND 65,F1 67,F1 70-130 3.48 30 <br /> Methyl-t-butyl ether(MTBE) 0.0345 0.0356 0.050 ND 69,F1 71 70-130 3.35 30 <br /> Toluene 0.0425 0.0439 0.050 ND 85 88 70-130 3.11 30 <br /> Trichloroethene 0.0438 0.0451 0.050 ND 88 90 70-130 2.94 30 <br /> Surrogate Recovery <br /> Dibromofluoromethane 0.123 0.125 0.12 99 100 70-130 1.71 30 <br /> Toluene-d8 0.125 0.127 0.12 100 101 70-130 1.73 30 <br /> 4-BFB 0.0104 0.0106 0.012 83 85 70-130 2.13 30 <br /> CDPH ELAP 1644♦NELAP 4033ORELAP `' QA/QC Officer <br /> Page 27 of 33 <br />