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Lancaster <br /> Laboratories Analysis Report <br /> 2425 New Holland Pike,PO Box 12425,Lancaster,PA 17605-2425-717-656-2300 Fax:717-656-2681•www.larcasterIabs.com <br /> Page 1 of 2 <br /> Quality Control Summary <br /> Client Name: Chevron Environmental Mgt. Co. Group Number: 984015 <br /> Reported: 04/12/06 at 03:09 PM <br /> Matrix QC may not be reported if site-specific QC samples were not <br /> submitted. In these situations, to demonstrate precision and accuracy at <br /> a batch level, a LCS/LCSD was performed, unless otherwise specified in the <br /> method. <br /> Laboratory Compliance Quality Control <br /> Blank Blank Report LCS LCSD LCS/LCSD <br /> Analysis Name Result MDL Units %REC %REC Limits RPD RPD Max <br /> Batch number: 06093WAA026 Sample number(s) : 4742142 <br /> Naphthalene N.D. 0.01 ug/l 83 84 61-121 2 30 <br /> Acenaphthylene N.D. 0.02 ug/l 86 86 64-116 0 30 <br /> Acenaphthene N.D. 0.01 ug/l 93 94 78-118 1 30 <br /> Fluorene N.D. 0.01 ug/l 89 92 64-134 3 30 <br /> Phenanthrene N.D. 0.01 ug/l 96 95 79-118 1 30 <br /> Anthracene N.D. 0.02 ug/l 90 89 73-117 1 30 <br /> Fluoranthene N.D. 0.01 ug/l 95 93 61-131 2 30 <br /> Pyrene N.D. 0.02 ug/l 92 92 67-129 0 30 <br /> Benzo(a)anthracene N.D. 0.02 ug/l 93 89 63-119 4 30 <br /> Chrysene N.D. 0.02 ug/l 94 92 80-125 1 30 <br /> Benzo(b)fluoranthene N.D. 0.02 ug/l 89 88 62-124 2 30 <br /> Benzo(k)fluoranthene N.D. 0.01 ug/l 93 90 63-124 3 30 <br /> Benzo(a)pyrene N.D. 0.02 ug/l 83 83 66-118 0 30 <br /> Indeno(1,2,3-cd)pyrene N.D. 0.02 ug/l 96 97 60-123 0 30 <br /> Dibenz(a,h)anthracene N.D. 0.02 ug/l 95 94 68-129 2 30 <br /> Benzo(g,h,i)perylene N.D. 0.02 ug/l 95 92 62-126 3 30 <br /> Batch number: 060950009A Sample number(s) : 4742142 <br /> TPH-DRO (C10-C25) Water N.D. 50. ug/l 95 86 62-127 10 20 <br /> Batch number: 061010027A Sample number(s) : 4742142 <br /> TPH-DRO(C10-C25)Water w/ SiGel N.D. 29. ug/l 96 94 62-127 3 20 <br /> Surrogate Quality Control <br /> Surrogate recoveries which are outside of the QC window are confirmed <br /> unless attributed to dilution or otherwise noted on the Analysis Report. <br /> Analysis Name: Selected SVOAs by 8270 SIM <br /> Batch number: 06093WAA026 <br /> Nitrobenzene-d5 2-Fluorobiphenyl Terphenyl-d14 <br /> 4742142 92 81 87 <br /> Blank 78 82 91 <br /> LCS 78 83 88 <br /> LCSD 79 85 87 <br /> Limits: 52-148 58-120 62-135 <br /> Analysis Name: TPH-DRO (C10-C25) Water <br /> Batch number: 060950009A <br /> Orthoterphenyl <br /> *-Outside of specification <br /> (1) The result for one or both determinations was less than five times the LOQ. <br /> (2) The background result was more than four times the spike added. <br />