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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.lancasterlabs.com <br /> Page 2 of 3 <br /> Quality Control Summary <br /> Client Name: Chevron Environmental Mgmt Co Group Number: 1203974 <br /> Reported: 08/13/10 at 02:10 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: 10202SLB026 Sample number(s) : 6037223-6037225 UNSPK: P036594 <br /> Acenaphthene 79 85 44-122 7 30 <br /> Acenaphthylene 81 85 23-143 5 30 <br /> Anthracene 92 88 34-161 5 30 <br /> Benzo(a)anthracene 96 97 20-138 1 30 <br /> Benzo(a)pyrene 93 89 34-156 4 30 <br /> Benzo(b)fluoranthene 92 88 43-155 4 30 <br /> Benzo(g,h,i)perylene 62 54 33-141 13 30 <br /> Benzo(k)fluoranthene 87 83 49-145 4 30 <br /> Chrysene 94 97 41-126 3 30 <br /> Dibenz(a,h)anthracene 71 64 10-157 10 30 <br /> Fluoranthene 120 107 35-138 12 30 <br /> Fluorene 78 82 34-142 5 30 <br /> Indeno(1,2,3-cd)pyrene 71 63 10-164 11 30 <br /> 1-Methylnaphthalene 86 90 50-118 5 30 <br /> 2-Methylnaphthalene 75 75 49-134 0 30 <br /> Naphthalene 89 84 35-147 6 30 <br /> Phenanthrene 98 94 37-134 4 30 <br /> Pyrene 74 74 31-120 0 30 <br /> Batch number: 102020027A Sample number(s) : 6037223-6037225 UNSPK: P036711 BKG: P036711 <br /> Total TPH -303 49-123 2,100 7,300 110* 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: VOCs by 8260B - Solid <br /> Batch number: A102031AA <br /> Dibromofluoromethane 1,2-Dichloroethane-d4 Toluene-d8 4-Bromofluorobenzene <br /> 6037223 101 103 105 100 <br /> 6037224 98 97 106 97 <br /> 6037225 99 99 105 97 <br /> Blank 101 109 104 103 <br /> LCS 101 106 108 106 <br /> MS 98 97 110 101 <br /> MSD 98 96 110 102 <br /> Limits: 71-114 70-109 70-123 70-111 <br /> Analysis Name: SIM PAH 8270 (microwave) <br /> Batch number: 10202SLB026 <br /> Nitrobenzene-d5 2-Fluorobiphenyl Terphenyl-d14 <br /> 6037223 88 94 55 <br /> 6037224 93 92 55 <br /> 6037225 93 81 50* <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 />