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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 3 <br /> Quality Control Summary <br /> Client Name: Chevron Environmental Mgt. Co. Group Number: 1121309 <br /> Reported: 12/09/08 at 11:13 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 Program Units %REC %REC Limits RPD RPD Max <br /> RL <br /> Batch number: 083300013A Sample number(s) : 5536930-5536932 <br /> TPH-DRO (C10-C25) Water N.D. 50. ug/l 106 57-118 <br /> Batch number: 08330WAI026 Sample number(s) : 5536930-5536932 <br /> Naphthalene N.D. 0.05 ug/l 69 74 68-100 7 30 <br /> Acenaphthylene N.D. 0.01 ug/l 78 81 69-126 4 30 <br /> Acenaphthene N.D. 0.01 ug/l 80 83 68-116 3 30 <br /> Fluorene N.D. 0.01 ug/l 88 90 49-145 2 30 <br /> Phenanthrene N.D. 0.01 ug/l 81 77 71-124 5 30 <br /> Anthracene N.D. 0.01 ug/l 74 72 68-122 2 30 <br /> Fluoranthene N.D. 0.01 ug/l 81 81 67-133 1 30 <br /> Pyrene N.D. 0.01 ug/l 78 77 68-128 1 30 <br /> Benzo(a)anthracene N.D. 0.01 ug/l 84 84 80-119 1 30 <br /> Chrysene N.D. 0.01 ug/l 86 87 80-124 2 30 <br /> Benzo(b)fluoranthene N.D. 0.01 ug/l 78 77 75-123 2 30 <br /> Benzo(k)fluoranthene N.D. 0.01 ug/l 84 88 72-122 5 30 <br /> Benzo(a)pyrene N.D. 0.003 ug/l 78 80 70-118 2 30 <br /> Indeno(1,2,3-cd)pyrene N.D. 0.01 ug/l 91 92 48-165 1 30 <br /> Dibenz(a,h)anthracene N.D. 0.003 ug/l 92 94 60-138 2 30 <br /> Benzo(g,h,i)perylene N.D. 0.01 ug/l 91 90 58-138 0 30 <br /> Batch number: 083380008A Sample number(s) : 5536930-5536931 <br /> TPH-DRO water C10-C25 w/Si Gel N.D. 32. ug/l 64 45-114 <br /> Batch number: C083291AA Sample number(s) : 5536929-5536932 <br /> Benzene N.D. 0.1 ug/l 106 107 87-111 1 30 <br /> Toluene N.D. 1. ug/l 102 103 89-113 1 30 <br /> Ethylbenzene N.D. 1. ug/l 102 103 88-114 1 30 <br /> Xylene (Total) N.D. 1. ug/l 100 102 88-115 2 30 <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 RPD Max <br /> Batch number: 083300013A Sample number(s) : 5536930-5536932 UNSPK: P539185 <br /> TPH-DRO (C10-C25) Water 115 107 59-128 4 20 <br /> Batch number: C083291AA Sample number(s) : 5536929-5536932 UNSPK: P537164 <br /> Benzene 112 85-126 <br /> *-Outside of specification <br /> (1)The result for one or both determinations was less than five times the LOQ. <br /> (2)The unspiked result was more than four times the spike added. <br />