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Lancaster. Analysis Report <br /> . Laboratories Y p <br /> 2425 New Holland Pike,PO Box 12425,Lancaster,PA 17605-2425•717-656-2300 Fax:717-656-2681•www,lancasterlabs.com <br /> Pagel of 3 <br /> ' Quality Control Summary <br /> Client Name: Chevron Environmental Mgt. Co. Group Number: 1023154 <br /> ' Reported: 02/08/07 at 10:33 AM <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: 070270009A Sample number(s) : 4967282-4967286 <br /> TPH-DRO (C10-C25) Water N.D. 29. ug/l 96 43-122 <br /> ' Batch number: 07029WAI026 Sample number(s) : 4967282-4967286 <br /> Naphthalene N.D. 0.01 ug/l 89 70-111 <br /> Acenaphthylene N.D. 0.02 ug/l 90 75-110 <br /> Acenaphthene N.D. 0.01 ug/1 89 81-109 <br /> Fluorene N.D. 0.01 ug/l 92 75-115 <br /> ' Phenanthrene N.D. 0.01 ug/1 87 76-114 <br /> Anthracene N.D. 0.02 ug/1 88 67-113 <br /> Fluoranthene N.D. 0.01 ug/1 87 69-123 <br /> Pyrene N.D. 0.02 ug/l 90 76-114 <br /> Benzo(a)anthracene N.D. 0.02 ug/l 89 76-111 <br /> ' Chrysene N.D. 0.02 ug/l 88 76-112 <br /> Benzo(b)fluoranthene N.D. 0.02 ug/1 90 56-138 <br /> Benzo(k)fluoranthene N.D. 0.01 ug/1 94 68-124 <br /> Benzo(a)pyrene N.D. 0.02 ug/l 91 64-114 <br /> Indeno(1,2,3-cd)pyrene N.D. 0.02 ug/1 95 76-119 <br /> Dibenz(a,h)anthracene N.D. 0.02 ug/l 92 60-126 <br /> Benzo(g,h,i)perylene N.D. 0.02 ug/l 93 74-117 <br /> Batch number: 070330006A Sample number(s) : 4967282-4967286 <br /> TPH-DRO(C10-C25)Water w/.SiGel N.D. 29. ug/l 71 43-122 <br /> ' Sample Matrix Quality Control <br /> Unspiked (UNSPK) = the sample used in conjunction with the matrix spike <br /> Background (BKG) = the sample used in conjunction with the duplicate <br /> ' MS MSD MS/MSD RPD BKG DUP DUP Dup RPD <br /> Analysis Name %REC %REC Limits RPD MAX Conc Conc RPU Max <br /> Batch number: 070270009A Sample number(s): 4967282-4967286 UNSPK: 4967284 <br /> ' TPH-DRO (C10-C25) Water 90 104 59-128 11 20 <br /> Batch number: 07029WAI026 Sample number(s) : 4967282-4967286 UNSPK: 4967284 <br /> Naphthalene 90 96 74-108 7 30 <br /> Acenaphthylene 93 94 83-109 1 30 <br /> Acenaphthene 89 93 86-106 4 30 <br /> ' Fluorene 94 95 77-115 1 30 <br /> Phenanthrene 90 91 56-132 2 30 <br /> Anthracene 82 87 34-130 6 30 <br /> Fluoranthene 87 89 57-129 1 30 <br /> Pyrene 88 93 63-125 5 30 <br /> ' Benzo(a)anthracene 88 91 70-114 3 30 <br /> Chrysene 89 91 67-117 2 30 <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 /> 1 <br />