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• Page 43 of 52 <br /> Calscience <br /> jW <br /> nvironmental Quality Control - LCS/LCS Duplicate <br /> Laboratories, Inc. <br /> ' GeoSyntec Consultants Date Received: N/A <br /> 475 14th Street, Suite 450 Work Order No: 11-02-0383 <br /> Oakland, CA 94612-1940 Preparation: EPA 3510C <br /> Method: EPA 8270C <br /> Project: Newark Sierra Stockton /WR1194 <br /> ' Date Date LCS/LCSD Batch <br /> Quality Control Sample ID Matrix Instrument Prepared Analyzed Number <br /> 095-01-003.3,082 Aqueous GC/MS CCC 02/07111 02109111 110207L03 <br /> Parameter LCS%REC -CSD%REC %REC CL ME CL RPD RPD CL Qualifiem <br /> Phenol 54 54 4-142 0-165 1 0-24 <br /> 2-Chlorophenol 111 110 53-113 43-123 1 0-17 <br /> 1,4-Dichlorobenzene 73 73 50.122 38-134 0 0-19 <br /> N-Nitroso-di-n-propytamine 111 109 56-146 41-161 2 0-22 <br /> Naphthalene 81 81 21-133 2-152 0 0-20 <br /> 4-Chloro-3-Methylphenol 97 96 55-121 44-132 1 0-18 <br /> Dimethyl Phthalate 93 93 0-112 0-131 0 0-20 <br /> Acenaphthylene 95 96 33-145 14-164 1 0-20 <br /> Acenaphthene 93 94 55-139 41-153 1 0-17 <br /> 4-Nitrophenol 49 49 1-145 0-169 1 0-29 <br /> ' 2,4-Dinitrotoluene 112 114 41-161 21-181 2 0-22 <br /> Fluorene 92 94 59-121 49-131 2 0-20 <br /> Pentachlorophenol 48 61 - 34-130 18-146 23 0-23 <br /> Pyrene 99 97 38-170 16-192 2 0-27 <br /> Butyl Benzyl Phthalate 111 110 0-152 0-177 1 0-20 <br /> 1,2,4-Trichlorobenzene 72 71 49-121 37-133 1 0-19 <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 <br /> "Relative Percent Difference, CL-Control Limit <br /> 7440 Lincoln Way, Garden Grove, CA 92841-1427 . TEL:(714)895-5494 . FAX: (714)894-7501 <br />