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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: 1075641 <br /> Reported: 02/22/08 at 09:12 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 Procrram Units %REC %REC Limits RPD RPD Max <br /> RL <br /> Batch number: 080330022A Sample number(s) : 5269571-5269579 <br /> TPH-DRO (C10-C25) Water N.D. 5o. ug/l 83 57-118 <br /> Batch number: 08033WAI026 Sample number(s) : 5269571-5269579 <br /> Naphthalene N.D. 0.05 ug/l 90 68-100 <br /> Acenaphthylene N.D. 0.01 ug/l 87 69-126 <br /> Acenaphthene N.D. 0.01 ug/l 85 68-116 <br /> Fluorene N.D. 0.01 ug/l 80 62-136 <br /> Phenanthrene N.D. 0.01 ug/l 95 71-124 <br /> Anthracene N.D. 0.01 ug/l 74 68-122 <br /> Fluoranthene N.D. 0.01 ug/l 96 67-133 <br /> Pyrene N.D. 0.01 ug/l 99 68-128 <br /> Benzo(a)anthracene N.D. 0.01 ug/l 95 80-119 <br /> Chrysene N.D. 0.01 ug/l 91 80-124 <br /> Benzo(b)fluoranthene N.D. 0.01 ug/l 101 75-123 <br /> Benzo(k)fluoranthene N.D. 0.01 ug/l 97 72-122 <br /> Benzo(a)pyrene N.D. 0.005 ug/l 78 70-118 <br /> Indeno(1,2,3-cd)pyrene N.D. 0.01 ug/l 91 63-140 <br /> Dibenz(a,h)anthracene N.D. 0.005 ug/l 94 60-138 <br /> Benzo(g,h,i)perylene N.D. 0.01 ug/l 95 58-138 <br /> Batch number: 080370004A Sample number(s) : 5269572-5269574,5269579 <br /> TPH-DRO(C10-C25)Water w/ SiGel N.D. 29. ug/l 79 45-114 <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: 080330022A Sample number(s) : 5269571-5269579 UNSPK: 5269575 <br /> TPH-DRO (C10-C25) Water 93 98 59-128 5 20 <br /> Batch number: 08033WAI026 Sample number(s) : 5269571-5269579 UNSPK: 5269575 <br /> Naphthalene 84 86 70-130 2 30 <br /> Acenaphthylene 94 98 70-130 5 30 <br /> Acenaphthene 86 92 70-130 8 30 <br /> Fluorene 80 87 70-130 9 30 <br /> Phenanthrene 94 101 70-130 7 30 <br /> Anthracene 72 77 70-130 8 30 <br /> Fluoranthene 95 102 70-130 9 30 <br /> Pyrene 98 103 70-130 6 30 <br /> Benzo(a)anthracene 94 100 70-130 6 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 />