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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: 1083271 <br /> Reported: 04/09/08 at 06:42 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 Procrram Units %REC %REC Limits RPD RPD Max <br /> RL <br /> Batch number: 080870022A Sample number(s) : 5313655,5313657-5313659 <br /> TPH-DRO (C10-C25) Water N.D. 50. ug/l 78 81 57-118 5 20 <br /> Batch number: 08087WAE026 Sample number(s) : 5313655,5313657-5313659 <br /> Naphthalene N.D. 0.05 ug/l 81 80 68-100 1 30 <br /> Acenaphthylene N.D. 0.01 ug/l 89 88 69-126 1 30 <br /> Acenaphthene N.D. 0.01 ug/l 86 84 68-116 2 30 <br /> Fluorene N.D. 0.01 ug/l 81 81 62-136 0 30 <br /> Phenanthrene N.D. 0.01 ug/l 94 98 71-124 3 30 <br /> Anthracene N.D. 0.01 ug/l 100 103 68-122 3 30 <br /> Fluoranthene N.D. 0.01 ug/l 80 76 67-133 5 30 <br /> Pyrene N.D. 0.01 ug/l 98 99 68-128 1 30 <br /> Benzo(a)anthracene N.D. 0.01 ug/l 103 99 80-119 3 30 <br /> Chrysene N.D. 0.01 ug/l 99 97 80-124 1 30 <br /> Benzo(b)fluoranthene N.D. 0.01 ug/l 97 102 75-123 4 30 <br /> Benzo(k)fluoranthene N.D. 0.01 ug/l 106 101 72-122 6 30 <br /> Benzo(a)pyrene N.D. 0.003 ug/l 101 101 70-118 1 30 <br /> Indeno(1,2,3-cd)pyrene N.D. 0.01 ug/l 100 98 63-140 2 30 <br /> Dibenz(a,h)anthracene N.D. 0.003 ug/l 104 102 60-138 2 30 <br /> Benzo(g,h,i)perylene N.D. 0.01 ug/l 97 95 58-138 2 30 <br /> Batch number: 080940023A Sample number(s) : 5313655,5313658 <br /> TPH-DRO(C10-C25)Water w/ SiGel N.D. 29. ug/l 64 64 45-114 0 20 <br /> Batch number: C080871AA Sample number(s) : 5313655-5313657,5313659 <br /> Benzene N.D. 0.1 ug/l 100 100 87-111 0 30 <br /> Toluene N.D. 1. ug/l 103 104 89-113 1 30 <br /> Ethylbenzene N.D. 1. ug/l 105 105 88-114 0 30 <br /> Xylene (Total) N.D. 1. ug/l 106 106 88-115 0 30 <br /> Batch number: C080951AA Sample number(s) : 5313658 <br /> Benzene N.D. 0.1 ug/l 102 101 87-111 1 30 <br /> Toluene N.D. 1. ug/l 101 100 89-113 0 30 <br /> Ethylbenzene N.D. 1. ug/l 101 100 88-114 1 30 <br /> Xylene (Total) N.D. 1. ug/l 102 101 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: C080871AA Sample number(s) : 5313655-5313657,5313659 UNSPK: 5313655 <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 />