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Lancaster <br /> f * Laboratories Analysis Report <br /> Y p <br /> 2425 New Holland Pike,PO Box 12425,Lancaster,PA 17605-2425•717-656-2300 Fax:717-656-2681•www,lancasterlabs.com <br /> ' Page 2 of 4 <br /> ' Quality Control Summary <br /> Client Name: Chevron Environmental Mgmt Co Group Number: 1177787 <br /> ' Reported: 01/21/10 at 03 :12 PM <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 /> ' <br /> Analysis Name Ms MSD MS/MSD RPD BKG DUP DUP Dup RPD <br /> Analy $RBC %REC Limits RPD MAX Conc Conc RPD Max <br /> Anthracene 98 96 10-151 3 30 <br /> Senzo(a)anthracene 93 92 33-132 2 30 <br /> Benzo(a)pyrene 87 85 10-133 4 30 <br /> ' Benzo(b)fluoxanthene 93 95 14-156 1 30 <br /> Benzo(g,h,i)perylene 91 90 10-127 3 30 <br /> Benzo(k)fluoranthene 93 93 30-127 2 30 <br /> Chrysene 98 94 41-135 5 30 <br /> Diberiz(a,h)anthracene 105 106 10-144 0 30 <br /> Fluoranthene 107 103 63-121 4 30 <br /> ' Fluorene 100 110 50-122 9 30 <br /> Indeno(1,2,3-cd)pyrene 99 98 10-139 2 30 <br /> 1-Methylnaphthalene 72 77 70-130 6 30 <br /> 2-Methylnaphthalene 63* 67* 70-130 5 30 <br /> Naphthalene 76 82 70-86 6 30 <br /> ' Phenanthrene 101 99 70-114 4 30 <br /> Pyrene 85 82 45-114 6 30 <br /> Batch number: 100090000A Sample number(s) : 5878985-5878990,5878992-5878996 UNSPK: 5878992 <br /> TPH-DRO water C10-C25 0* 0* 19-173 0 20 <br /> Surrogate Quality Control <br /> ' Surrogate recoveries which are outside of the QC window are confirmed <br /> unless attributed to dilution or otherwise noted on the Analysis Report. <br /> Analysis Name: PAHs in Water by LVI GC/MS <br /> Batch number: 10009WAE026 <br /> ' Nitrobenzene-d5 2-Fluorobiphenyl Terphenyl-dl4 <br /> 5878985 102 98 98 <br /> 5878986 91 104 95 <br /> 5878987 100 107 99 <br /> 5878988 117 106 98 <br /> 1 5878989 96 108 100 <br /> 5878990 69 102 102 <br /> 5878991 91 107 105 <br /> 5878992 79 83 78 <br /> 5878993 108 101 89 <br /> 5878994 108 105 87 <br /> 5878995 101 106 101 <br /> 5878996 98 114 99 <br /> Blank 91 97 97 <br /> LCS 101 105 85 <br /> MS 108 101 8 <br /> MSD 108 105 877 <br /> Limits: 42-153 76-149 61-150 <br /> Analysis Name: TPH-DRO water CIO-C25 <br /> Batch number: 100090000A <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 />