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tiff eurofins <br />Calscience <br />Quality Control - Spike/Spike Duplicate <br />Page 13 of 23 <br />Cardno ERI Date Received: 02/28/15 <br />601 North McDowell Blvd. Work Order: 15-02-2159 <br />Petaluma, CA 94954-2312 Preparation: EPA 5030C <br />Method: EPA 8260B <br />Project: ExxonMobil 99CAS/022789C Page 3 of 3 <br />Jamy Controi 5anrpie w <br />+yhe <br />Matrix <br />instrument <br />Date Prepared <br />Date Analyzed roiaimaD watch Numo( <br />i-03-0056-9 <br />Sample <br />Aqueous <br />GC/MS L <br />03/04115 <br />03/05/15 01:28 1503045032 <br />i-03-0056.9 <br />Matrix Spike <br />Aqueous <br />GC/MS L <br />03/04115 <br />031051'15011:57 1503045032 <br />i-03-0056-9 <br />Matrix Spike Duplicate <br />Aqueous <br />GC/MS L <br />03104/15 <br />03/05/15 02:25 1503045032 <br />Parameter <br />Benzene <br />Toluene <br />Ethylbenzene <br />o -Xylene <br />p/m-Xylene <br />Methyl -t -Butyl Ether (MTBE) <br />Tert-Butyl Alcohol (TBA) <br />Diisopropyl Ether (DIPE) <br />Ethyl -t -Butyl Ether (ETBE) <br />Tert-Amyl-Methyl Ether (TAME) <br />1,2-Dibromoethane <br />1,2-Dichloroethane <br />Salm le <br />Conc. <br />�S ike <br />Added <br />MS <br />enc. <br />MS <br />oRec. <br />MSD <br />Cc. <br />MSD <br />oRec. <br />°oRec. CL <br />RPD <br />RPD CL Qualifiers <br />ND <br />10.00 <br />9.983 <br />100 <br />9.674 <br />97 <br />77-121 <br />3 <br />0-21 <br />ND <br />10.00 <br />10.05 <br />101 <br />9.888 <br />99 <br />78-120 <br />2 <br />0-25 <br />ND <br />10.00 <br />10.20 <br />102 <br />10.02 <br />100 <br />78-120 <br />2 <br />0-23 <br />ND <br />10.00 <br />10.76 <br />108 <br />10.69 <br />107 <br />74-122 <br />1 <br />0-24 <br />ND <br />2000 <br />2082 <br />104 <br />20.75 <br />104 <br />74-122 <br />0 <br />0-23 <br />ND <br />10.00 <br />9.438 <br />94 <br />9.354 <br />94 <br />57-144 <br />1 <br />0-31 <br />ND <br />50.00 <br />56.71 <br />113 <br />56.26 <br />113 <br />43-170 <br />1 <br />0-38 <br />ND <br />10.00 <br />10.17 <br />102 <br />10.02 <br />100 <br />70-130 <br />1 <br />0-35 <br />ND <br />10.00 <br />9.325 <br />93 <br />9.216 <br />92 <br />70-130 <br />1 <br />0-35 <br />ND <br />10.00 <br />9.196 <br />92 <br />8.829 <br />88 <br />70-130 <br />4 <br />0-35 <br />ND <br />10.00 <br />10.05 <br />101 <br />9.744 <br />97 <br />74-130 <br />3 <br />0-22 <br />ND <br />10.00 <br />10.97 <br />110 <br />10.69 <br />107 <br />72-130 <br />3 <br />0-25 <br />RPD: Relative Percent Difference. CL: Control Limits <br />7440 Lincoln Way, Garden Grove, CA 92841-1427 - TEL: (714) 895-5494 - FAX: (714) 894-7501 <br />