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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: 1122197 <br /> Reported: 12/11/08 at 09:46 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 Program Units %REC %REC Limits RPD RPD Max <br /> RL <br /> Batch number: 083360000A Sample number(s) : 5542392 <br /> TPH-DRO water C10-C25 N.D. 50. ug/l 93 91 57-118 1 20 <br /> Batch number: 08336WABO26 Sample number(s) : 5542392 <br /> Naphthalene N.D. 0.05 ug/l 79 79 68-100 1 30 <br /> Acenaphthylene N.D. 0.01 ug/l 84 88 69-126 4 30 <br /> Acenaphthene N.D. 0.01 ug/l 83 87 68-116 4 30 <br /> Fluorene N.D. 0.01 ug/l 90 92 49-145 3 30 <br /> Phenanthrene N.D. 0.01 ug/l 94 95 71-124 1 30 <br /> Anthracene N.D. 0.01 ug/l 82 83 68-122 1 30 <br /> Fluoranthene N.D. 0.01 ug/l 87 87 67-133 1 30 <br /> Pyrene N.D. 0.01 ug/l 88 88 68-128 1 30 <br /> Benzo(a)anthracene N.D. 0.01 ug/l 90 91 80-119 0 30 <br /> Chrysene N.D. 0.01 ug/l 94 95 80-124 1 30 <br /> Benzo(b)fluoranthene N.D. 0.01 ug/l 99 99 75-123 0 30 <br /> Benzo(k)fluoranthene N.D. 0.01 ug/l 85 85 72-122 0 30 <br /> Benzo(a)pyrene N.D. 0.003 ug/l 82 82 70-118 1 30 <br /> Indeno(1,2,3-cd)pyrene N.D. 0.01 ug/l 95 97 48-165 2 30 <br /> Dibenz(a,h)anthracene N.D. 0.003 ug/l 97 95 60-138 2 30 <br /> Benzo(g,h,i)perylene N.D. 0.01 ug/l 94 96 58-138 2 30 <br /> Batch number: C083391AA Sample number(s) : 5542391-5542392 <br /> Benzene N.D. 0.1 ug/l 106 105 87-111 1 30 <br /> Toluene N.D. 1. ug/l 104 103 89-113 0 30 <br /> Ethylbenzene N.D. 1. ug/l 103 101 88-114 1 30 <br /> Xylene (Total) N.D. 1. ug/l 102 102 88-115 1 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: C083391AA Sample number(s) : 5542391-5542392 UNSPK: 5542392 <br /> Benzene 113 85-126 <br /> Toluene 111 87-128 <br /> Ethylbenzene 109 89-129 <br /> Xylene (Total) 107 84-131 <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 />