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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.lancasterIabs.com <br /> Page 2 of 3 <br /> Quality Control Summary <br /> Client Name: Chevron Environmental Mgmt Co Group Number: 1170490 <br /> Reported: 11/23/09 at 04:42 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 %RBC %REC Limits RPD MAX Conc Conc RPD Max <br /> Batch number: 09320SLI026 Sample number(s) : 5833392-5833396 UNSPK: 5833392 <br /> Acenaphthene 101 101 44-122 0 30 <br /> Acenaphthylene 94 84 23-143 11 30 <br /> Anthracene 94 94 34-161 0 30 <br /> Benzo(a)anthracene 102 100 39-144 3 30 <br /> Benzo(a)pyrene 107 106 34-156 2 30 <br /> Benzo(b)fluoranthene 109 115 43-155 5 30 <br /> Benzo(g,h,i)perylene 101 86 33-141 16 30 <br /> Benzo(k)fluoranthene 106 98 49-145 8 30 <br /> Chrysene 108 103 29-156 5 30 <br /> Dibenz(a,h)anthracene 112 100 10-157 11 30 <br /> Fluoranthene 104 101 26-166 3 30 <br /> Fluorene 105 106 34-142 0 30 <br /> Indeno(1,2,3-cd)pyrene 112 99 10-164 12 30 <br /> 1-Methylnaphthalene 104 104 72-123 0 30 <br /> 2-Methylnaphthalene 98 94 49-134 4 30 <br /> Naphthalene 111 108 27-145 3 30 <br /> Phenanthrene 98 93 12-165 5 30 <br /> Pyrene 98 94 15-153 4 30 <br /> Batch number: 093180007A Sample number(s) : 5833392-5833396 UNSPK: P837701 <br /> Total TPH -109 -23 (2) 49-123 17 20 <br /> (2) <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: BTEX+MTBE by 8260B <br /> Batch number: A093211AA <br /> Dibromofluoromethane 1,2-Dichloroethane-d4 Toluene-d8 4-Bromofluorobenzene <br /> 5833392 92 88 86 82 <br /> 5833393 94 89 85 83 <br /> 5833394 97 97 86 85 <br /> 5833395 97 94 84 85 <br /> 5833396 100 93 84 85 <br /> Blank 91 91 84 83 <br /> LCS 92 94 87 89 <br /> MS 93 94 90 88 <br /> MSD 92 91 91 85 <br /> Limits: 71-114 70-109 70-123 70-111 <br /> Analysis Name: PAHs in soils by SIM <br /> Batch number: 09320SLI026 <br /> Nitrobenzene-d5 2-Fluorobiphenyl Terphenyl-d14 <br /> 5833392 108 104 102 <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 />