Laserfiche WebLink
Page 26 of 32 <br /> 4.-alscience <br /> nvironmenta/ Quality Control - LCS <br /> aboratories, Inc, <br /> Cardno ERI Date Received: 12/21/13 <br /> 601 North McDowell Blvd. Work Order: 13-12-1796 <br /> Petaluma, CA 94954-2312 Preparation: EPA 5030C <br /> Method: EPA 8260B <br /> Project: ExxonMobil 99CAS/022789C Page 4 of 5 <br /> Quality Control Sample ID Type Matrix Instrument Date Prepared Date Analyzed LCS Batch Number <br /> 099-12-884-1114 LCS Aqueous GC/MS L 12/30/13 12/31/13 02:05 131230L04 J <br /> Parameter Spike Added Conc. LCS%Rec. %Rec.CL ME CL Qualifiers <br /> Recovered <br /> Benzene 10.00 10.74 107 80-120 73-127 <br /> Toluene 10.00 10.62 106 80-120 73-127 <br /> Ethylbenzene 10.00 10.31 103 80-120 73-127 <br /> o-Xylene 10.00 9.662 97 75-125 67-133 <br /> p/m-Xylene 20.00 20.32 102 75-125 67-133 <br /> Methyl-t-Butyl Ether(MTBE) 10.00 13.12 131 69-123 60-132 LQ,RU <br /> Tert-Butyl Alcohol(TBA) 50.00 49.76 100 63-123 53-133 <br /> Diisopropyl Ether(DIPE) 10.00 12.63 126 59-137 46-150 <br /> Ethyl-t-Butyl Ether(ETBE) 10.00 12.16 122 69-123 60-132 <br /> Tert-Amyl-Methyl Ether(TAME) 10.00 11.15 111 70-120 62-128 <br /> 1,2-Dibromoethane 10.00 10.79 108 79-121 72-128 <br /> 1,2-Dichloroethane 10.00 11.74 117 80-120 73-127 <br /> Total number of LCS compounds: 12 <br /> Total number of ME compounds: 1 <br /> Total number of ME compounds allowed: 1 <br /> LCS ME CL validation result:Pass <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 />