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Page 21 of 28 <br /> alscience <br /> nvironmenta/ Quality Control - LCS <br /> aboratories, Inc. <br /> ' Leidos Date Received: 03/29/14 <br /> 1000 Broadway, Suite 675 Work Order: 14-03-2138 <br /> ' Oakland, CA 94607-4099 Preparation: EPA 3510C <br /> Method: EPA 8270C SIM NWPAH <br /> Project: Alden Park Page 2 of 2 <br /> Quality Control Sample ID Type Matrix Instrument Date Prepared Date Analyzed LCS Batch Number <br /> 099-12-824-166 LCS Aqueous GC/MS EEE 04/01/14 04/0411412:15 14040111-17 <br /> Parameter Spike Added Conc. LCS%Rec. %Rec.CL ME CL Qualifiers <br /> Recovered <br /> Naphthalene 1.000 0.8433 84 21-133 2-152 <br /> 2-Methylnaphthalene 1.000 0.7668 77 21-140 1-160 <br /> 1-Methylnaphthalene 1.000 0.8419 84 20-140 0-160 <br /> Acenaphthylene 1.000 0.7454 75 33-145 14-164 <br /> Acenaphthene 1.000 0.8360 84 55-121 44-132 <br /> ' Fluorene 1.000 0.8964 90 59-121 49-131 <br /> Phenanthrene 1.000 0.8040 80 54-120 43-131 <br /> Anthracene 1.000 0.9196 92 27-133 9-151 <br /> Fluoranthene 1.000 0.8465 85 26-137 8-156 <br /> ' Pyrene 1.000 0.8516 85 45-129 31-143 <br /> Benzo(a)Anthracene 1.000 0.8130 81 33-143 15-161 <br /> Chrysene 1.000 0.8504 85 17-168 0-193 <br /> Benzo(k)Fluoranthene 1.000 0.9574 96 24-159 2-182 <br /> Benzo(b)Fluoranthene 1.000 0.9736 97 24-159 2-182 ° <br /> E <br /> Benzo(a)Pyrene 1.000 0.7710 77 17-163 0-187 <br /> Indeno(1,2,3-c,d)Pyrene 1.000 0.6829 68 0-171 0-200 <br /> ' Dibenz(a,h)Anthracene 1.000 0.8857 89 0-219 0-256 <br /> Benzo(g,h,i)Perylene 1.000 0.9084 91 0-227 0-265 <br /> ' Total number of LCS compounds: 18 <br /> Total number of ME 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 />