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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 Mgt. Co. Group Number: 964263 <br /> Reported: 11/04/05 at 04:38 PM <br /> Sample Matrix Quality Control <br /> MS MSD MS/MSD RPD BKG DUP DUP Dup RPD <br /> Analysis Name %REC %REC Limits RPD MAX Conc Conc RPD Max <br /> Fluoranthene 104 112 47-129 8 30 <br /> Pyrene 76 82 1-167 7 30 <br /> Benzo(a)anthracene 89 90 1-147 1 30 <br /> Chrysene 106 107 42-132 1 30 <br /> Benzo(b)fluoranthene 97 97 25-133 1 30 <br /> Benzo(k)fluoranthene 102 109 23-134 7 30 <br /> Benzo(a)pyrene 28 30 1-152 8 30 <br /> Indeno(1,2,3-cd)pyrene 76 77 1-142 2 30 <br /> Dibenz(a,h)anthracene 85 89 12-116 5 30 <br /> Benzo(g,h,i)perylene 47 52 1-155 9 30 <br /> Batch number: 052970017A Sample number(s) : 4630362-4630365,4630367-4630369 <br /> TPH-DRO (C10-C25) Water 90 91 59-128 1 20 <br /> Batch number: 05297A07A Sample number(s) : 4630362-4630365,4630367-4630369 <br /> TPH-GRO - Waters 90 101 63-154 12 30 <br /> Batch number: Z052972AA Sample number(s) : 4630362-4630369 <br /> Benzene 108 107 83-128 1 30 <br /> Toluene 113 110 83-127 2 30 <br /> Ethylbenzene 112 109 82-129 2 30 <br /> Xylene (Total) 109 108 82-130 2 30 <br /> Surrogate Quality Control <br /> Analysis Name: Selected SVOAs by 8270 SIM <br /> Batch number: 05295WAH026 <br /> Nitrobenzene-d5 2-Fluorobiphenyl Terphenyl-d14 <br /> 4630362 102 104 63 <br /> 4630363 102 107 107 <br /> 4630364 99 104 108 <br /> 4630365 101 99 102 <br /> 4630367 101 99 102 <br /> 4630368 110 101 105 <br /> 4630369 108 102 109 <br /> Blank 103 101 107 <br /> LCS 101 103 108 <br /> MS 102 107 107 <br /> MSD 99 104 108 <br /> Limits: 52-148 48-131 49-140 <br /> Analysis Name: TPH-DRO (C10-C25) Water <br /> Batch number: 052970017A <br /> Orthoterphenyl <br /> 4630362 96 <br /> 4630363 121 <br /> 4630364 125 <br /> 4630365 95 <br /> 4630367 112 <br /> *-Outside of specification <br /> (1) The result for one or both determinations was less than five times the LOQ. <br /> (2) The background result was more than four times the spike added. <br />