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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.lancasterlabs.com <br /> Page 1 of 3 <br /> Quality Control Summary <br /> Client Name: Chevron Environmental Mgt. Co. Group Number: 952085 <br /> Reported: 08/15/05 at 05:40 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: 05202WAGO26 Sample number(s) : 4567124-4567126,4567128-4567130 <br /> Naphthalene N.D. 0.01 ug/l 90 93 61-121 3 30 <br /> Acenaphthylene N.D. 0.02 ug/l 93 93 64-116 0 30 <br /> Acenaphthene N.D. 0.01 ug/l 92 94 62-112 2 30 <br /> Fluorene N.D. 0.01 ug/l 93 94 64-134 1 30 <br /> Phenanthrene N.D. 0.01 ug/l 91 93 63-139 2 30 <br /> Anthracene N.D. 0.02 ug/l 94 98 57-117 4 30 <br /> Fluoranthene N.D. 0.01 ug/l 86 92 61-131 6 30 <br /> Pyrene N.D. 0.02 ug/l 101 103 67-129 2 30 <br /> Benzo(a)anthracene N.D. 0.02 ug/l 92 97 63-119 5 30 <br /> Chrysene N.D. 0.02 ug/l 94 96 63-139 3 30 <br /> Benzo(b)fluoranthene N.D. 0.02 ug/l 95 98 62-124 3 30 <br /> Benzo(k)fluoranthene N.D. 0.01 ug/l 97 96 63-124 1 30 <br /> Benzo(a)pyrene N.D. 0.02 ug/l 91 94 67-118 3 30 <br /> Indeno(1,2,3-cd)pyrene N.D. 0.02 ug/l 94 98 60-123 4 30 <br /> Dibenz(a,h)anthracene N.D. 0.02 ug/l 92 95 39-122 3 30 <br /> Benzo(g,h,i)perylene N.D. 0.02 ug/l 95 98 62-126 3 30 <br /> Batch number: 05203A07B Sample number(s) : 4567124-4567126 <br /> TPH-GRO - Waters N.D. 50. ug/l 86 89 70-130 4 30 <br /> Batch number: 05203A07C Sample number(s) : 4567127-4567130 <br /> TPH-GRO - Waters N.D. 50. ug/l 86 89 70-130 4 30 <br /> Batch number: 052080017A Sample number(s) : 4567124-4567126,4567128-4567130 <br /> TPH-DRO (C10-C25) Water N.D. 29. ug/l 76 80 64-125 4 20 <br /> Batch number: 052140021A Sample number(s) : 4567124 <br /> TPH-DRO(C10-C25)Water w/ SiGel N.D. 50. ug/l 84 84 64-125 0 20 <br /> Batch number: Z052063AA Sample number(s) : 4567124-4567130 <br /> Benzene N.D. 0.5 ug/l 101 85-117 <br /> Toluene N.D. 0.5 ug/l 104 85-115 <br /> Ethylbenzene N.D. 0.5 ug/l 104 82-119 <br /> Xylene (Total) N.D. 0.5 ug/l 101 83-113 <br /> Sample Matrix Quality Control <br /> MS MSD MS/MSD RPD BKG DUP DUP Dup RPD <br /> Analysis Name %REC %REC Limits RPD MAX Conc Cone RPD Max <br /> Batch number: 05203A07B Sample number(s) : 4567124-4567126 <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 />