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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: 1128527 <br /> Reported: 01/29/09 at 10:03 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: 090190010A Sample number(s) : 5579112-5579121 <br /> TPH-DRO water C10-C25 N.D. 50. ug/l 84 57-118 <br /> Batch number: 09020WACO26 Sample number(s) : 5579112-5579121 <br /> Naphthalene N.D. 0.05 ug/l 69 68-100 <br /> Acenaphthylene N.D. 0.01 ug/l 87 69-126 <br /> Acenaphthene N.D. 0.01 ug/l 80 68-116 <br /> Fluorene N.D. 0.01 ug/l 83 49-145 <br /> Phenanthrene N.D. 0.01 ug/l 86 71-124 <br /> Anthracene N.D. 0.01 ug/l 84 68-122 <br /> Fluoranthene N.D. 0.01 ug/l 87 67-133 <br /> Pyrene N.D. 0.01 ug/l 89 68-128 <br /> Benzo(a)anthracene N.D. 0.01 ug/l 85 80-119 <br /> Chrysene N.D. 0.01 ug/l 89 80-124 <br /> Benzo(b)fluoranthene N.D. 0.01 ug/l 93 75-123 <br /> Benzo(k)fluoranthene N.D. 0.01 ug/l 87 72-122 <br /> Benzo(a)pyrene 0.0034 0.003 ug/l 84 70-118 <br /> Indeno(1,2,3-cd)pyrene N.D. 0.01 ug/l 82 48-165 <br /> Dibenz(a,h)anthracene 0.0064 0.003 ug/l 83 60-138 <br /> Benzo(g,h,i)perylene N.D. 0.01 ug/l 76 58-138 <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: 090190010A Sample number(s) : 5579112-5579121 UNSPK: 5579118 <br /> TPH-DRO water C10-C25 59 60 59-128 2 20 <br /> Batch number: 09020WACO26 Sample number(s) : 5579112-5579121 UNSPK: 5579118 <br /> Naphthalene 94 93 70-130 2 30 <br /> Acenaphthylene 111 108 70-130 4 30 <br /> Acenaphthene 105 99 70-130 6 30 <br /> Fluorene 111 103 70-130 8 30 <br /> Phenanthrene 116 105 70-130 11 30 <br /> Anthracene 114 102 70-130 12 30 <br /> Fluoranthene 120 110 70-130 9 30 <br /> Pyrene 107 97 70-130 10 30 <br /> Benzo(a)anthracene 109 99 70-130 10 30 <br /> Chrysene 111 103 70-130 8 30 <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 />