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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.lartcasterlabs.com <br /> Page 2 of 3 <br /> Quality Control Summary <br /> Client Name: Chevron Environmental Mgmt Co Group Number: 1204353 <br /> Reported: 08/18/10 at 01:15 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 /> 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: 10209SLB026 Sample number(s) : 6039944-6039949 UNSPK: 6039944 <br /> Acenaphthene 90 92 44-122 2 30 <br /> Acenaphthylene 93 95 23-143 3 30 <br /> Anthracene 85 95 34-161 12 30 <br /> Benzo(a)anthracene 96 98 20-138 2 30 <br /> Benzo(a)pyrene 92 96 34-156 4 30 <br /> Benzo(b)fluoranthene 89 90 43-155 1 30 <br /> Benzo(g,h,i)perylene 87 91 33-141 4 30 <br /> Benzo(k)fluoranthene 92 94 49-145 2 30 <br /> Chrysene 96 98 41-126 2 30 <br /> Dibenz(a,h)anthracene 90 94 10-157 5 30 <br /> Fluoranthene 95 97 35-138 2 30 <br /> Fluorene 94 96 34-142 3 30 <br /> Indeno(1,2,3-cd)pyrene 92 96 10-164 4 30 <br /> 1-Methylnaphthalene 87 97 50-118 11 30 <br /> 2-Methylnaphthalene 76 84 49-134 10 30 <br /> Naphthalene 84 92 35-147 9 30 <br /> Phenanthrene 97 93 37-134 4 30 <br /> Pyrene 81 89 31-120 10 30 <br /> Batch number: 102080024A Sample number(s) : 6039944-6039949 UNSPK: 6039949 BKG: 6039949 <br /> C10-C36 N.D. N.D. 0 (1) 20 <br /> Total TPH 110 49-123 N.D. N.D. 0 (1) 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: VOCs by 8260B - Solid <br /> Batch number: B102051AA <br /> Dibromofluoromethane 1,2-Dichloroethane-d4 Toluene-d8 4-Bromofluorobenzene <br /> 6039944 99 98 100 86 <br /> 6039945 99 98 100 89 <br /> 6039946 101 102 99 87 <br /> 6039947 102 102 99 87 <br /> 6039948 105 108 97 88 <br /> 6039949 103 102 99 86 <br /> Blank 104 104 100 88 <br /> LCS 100 102 104 102 <br /> LCSD 100 105 104 102 <br /> MS 106 111* 132* 74 <br /> Limits: 71-114 70-109 70-123 70-111 <br /> Analysis Name: SIM PAH 8270 (microwave) <br /> Batch number: 10209SLB026 <br /> Nitrobenzene-d5 2-Fluorobiphenyl Terphenyl-d14 <br /> *-Outside of specification <br /> **-This limit was used in the evaluation of the final result for the blank <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 />