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ti�_ eurofins <br /> Lancaster Analysis Report <br /> Laboratories <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: 1334981 <br /> Reported: 09/24/12 at 10:56 AM <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 /> Benzo(a)pyrene 103 101 33-145 1 30 <br /> Benzo(b)fluoranthene 123 128 26-142 4 30 <br /> Benzo(g,h,i)perylene 55 58 33-141 4 30 <br /> Benzo(k)fluoranthene 118 118 49-145 0 30 <br /> Chrysene 94 95 23-138 2 30 <br /> Dibenz(a,h)anthracene 78 81 29-138 4 30 <br /> Fluoranthene 92 99 47-135 8 30 <br /> Fluorene 100 98 35-140 1 30 <br /> Indeno(1,2,3-cd)pyrene 73 76 25-136 4 30 <br /> 1-Methylnaphthalene 108 109 25-142 1 30 <br /> 2-Methylnaphthalene 113 112 28-144 1 30 <br /> Naphthalene 113 114 31-148 2 30 <br /> Phenanthrene 94 99 62-122 5 30 <br /> Pyrene 92 93 51-131 1 30 <br /> Batch number: 122560027A Sample number(s) : 6785308-6785310 UNSPK: 6785308 BKG: 6785308 <br /> C10-C36 N.D. N.D. 0 (1) 20 <br /> Total TPH 68 31-131 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: 8260 Ext. Soil Master w/GRO <br /> Batch number: B122621AA <br /> Dibromofluoromethane 1,2-Dichloroethane-d4 Toluene-d8 4-Bromofluorobenzene <br /> 6785308 98 98 98 92 <br /> 6785309 99 105 97 95 <br /> 6785310 98 99 98 93 <br /> Blank 97 109 98 97 <br /> LCS 97 105 101 102 <br /> LCSD 97 105 101 102 <br /> Limits: 50-141 54-135 52-141 50-131 <br /> Analysis Name: SIM PAH 8270 (microwave) <br /> Batch number: 12256SLD026 <br /> Fluoranthene-d10 Benzo(a)pyrene-d12 1-Methylnaphthalene- <br /> d10 <br /> 6785308 94 110 101 <br /> 6785309 92 106 103 <br /> 6785310 103 119 107 <br /> Blank 96 113 103 <br /> LCS 99 116 108 <br /> MS 94 113 106 <br /> MSD 100 111 105 <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 />