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Page 41 of 48 <br /> e U rof[ns Quality Control - LCSILCSD <br /> Conestoga-Rovers &Associates Date Received: 05/30/15 <br /> 6520 Corporate Drive Work Order: 15-05-2299 <br /> Indianapolis, IN 46278-2915 Preparation: EPA 3545 <br /> Method: EPA 8270C <br /> Project: 085972-23A-5702 Page 8 of 9 <br /> Quality Control Sample ID Type Matrix Instrument Date Prepared Date Analyzed LCSILCSD Batch Number <br /> 099 12-549-3293 LCS - Solid GC1MS CCC 06/01/15 06101115 15:37 150601L06 <br /> 099.12.549-3293 li Solid GCIMS CCC 06/01115 m01115 16:19 150601L06 <br /> Parameter Spike LCS Conc. i LCSD LCSD %Rec,CL ME CL RPD RPDIL ifir <br /> Added %Rec Conc. %Rec. <br /> Acenaphthene 10.00 10.14 101 10.24 102 51-123 39-135 1 0-26 <br /> Acenaphthylene 10.00 10.28 103 10.29 103 52-120 41-131 0 0-28 <br /> Butyl Benzyi Phthalate 10.00 11.75 118 11.60 116 43-139 27-155 1 0-29 <br /> 4-Chloro-3-M ethyl phenol 10.00 9.413 94 9.508 95 55-121 44-132 1 0-20 <br /> 2-Chlorophenol 10.00 9.199 92 9.138 91 58-124 47-135 1 0-20 <br /> 1,4-Dichlo€obenzene 10.00 7.979 80 7.880 79 42-132 27-147 1 0-30 <br /> Dimethyl Phthalate 10.00 10.03 100 9.992 100 51-123 39-135 0 0-27 <br /> 2,4-Dinitrotoluene 10.00 10.30 103 10.18 102 51-129 38-142 1 0-28 <br /> Fluorene 10.00 10.73 107 10.56 1.06 54-126 42-138 2 0-27 s.. <br /> N-Nitroso-di-n-propylamine 10.00 9.284 93 9.230 92 40-136 24-152 1 0-29 <br /> Naphthalene 10.00 8.615 86 8.685 87 32-146 13-165 1 0-20 <br /> 4-Nitrophenol 10.00 11.02 110 11.03 110 24-126 7-143 0 0-27 <br /> Pentachlorophenol 10.00 9.713 97 9.216 92 23-131 5-149 5 0-22 <br /> Phenol 10.00 9.184 92 9.304 93 40-130 25-145 1 0-20 <br /> Pyrene 10.00 10.53 105 10.60 106 47-143 31-159 1 0-20 <br /> 1,2,4-Trlchlorobenzene 10.00 8.463 85 8.585 86 45-129 31-143 1 0-27 <br /> Total number of LCS compounds:16 <br /> Totai number of MF compounds:0 <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 />