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Page 24 of 29 <br /> alscience <br /> =nvironmental Quality Control - LCS/LCS Duplicate <br /> Aw aboratories, Inc. <br /> Parsons Date Received: N/A <br /> 2121 North California Blvd., Suite 500 Work Order No: 08-10-1812 <br /> Walnut Creek, CA 94596-7305 Preparation: EPA 3545 <br /> Method: EPA 8310 <br /> Project: Tracy SPCC/444692 <br /> Date Date LCS/LCSD Batch <br /> Quality Control Sample ID Matrix Instrument Prepared Analyzed Number <br /> 099-07-002-1,136 Solid HPLC 5 10/21/08 10/21/08 081021L01 <br /> Parameter LCS%REC LCSD%REC %REC CL ME CL RPD RPD CL Qualifiers <br /> Naphthalene 90 87 40-160 20-180 4 0-20 <br /> Acenaphthylene 101 101 40-160 20-180 0 0-20 <br /> Acenaphthene 83 80 40-160 20-180 4 0-20 <br /> Fluorene 90 84 40-160 20-180 6 0-20 <br /> Phenanthrene 94 88 40-160 20-180 7 0-20 <br /> Anthracene 96 90 40-160 20-180 7 0-20 <br /> Fluoranthene 95 89 40-160 20-180 7 0-20 <br /> Pyrene 101 94 40-160 20-180 8 0-20 <br /> Benzo(a)Anthracene 102 95 40-160 20-180 7 0-20 <br /> Chrysene 106 98 40-160 20-180 7 0-20 <br /> Benzo(b)Fluoranthene 101 96 40-160 20-180 4 0-20 <br /> Benzo(k)Fluoranthene 105 98 40-160 20-180 7 0-20 <br /> Benzo(a)Pyrene 98 91 40-160 20-180 7 0-20 <br /> Dibenz(a,h)Anthracene 104 96 40-160 20-180 7 0-20 <br /> Benzo(g,h,i)Perylene 102 95 40-160 20-180 8 0-20 <br /> Indeno(1,2,3-c,d)Pyrene 98 91 40-160 20-180 8 0-20 <br /> Total number of LCS compounds: 16 <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 Limit <br /> 7440 Lincoln Way, Garden Grove, CA 92841-1427 . TEL:(714) 895-5494 . FAX: (714) 894-7501 <br />