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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 5 <br /> Quality Control Summary <br /> Client Name: Chevron Environmental Mgt. Co. Group Number: 944279 <br /> Reported: 06/14/05 at 05:33 PM <br /> Laboratory Compliance Quality Control <br /> Blank Blank Report LCS LCSD LCS/LCSD <br /> Analysis Name Result MDL Units %REC %REC Limits RPD RPD Max <br /> Benzo(a)pyrene N.D. 0.7 ug/kg 94 57-132 <br /> Indeno(1,2,3-cd)pyrene N.D. 0.3 ug/kg 102 64-148 <br /> Dibenz(a,h)anthracene N.D. 0.7 ug/kg 81 59-151 <br /> Benzo(g,h,i)perylene N.D. 0.3 ug/kg 107 61-143 <br /> Batch number: 051470015A Sample number(s) : 4528314 <br /> TPH-DRO CALUFT(Water) w/Si Gel N.D. 50. ug/l 49* 25* 64-125 64* 20 <br /> Batch number: 05152A34A Sample number(s) : 4528313,4528315,4528318-4528321 <br /> Benzene N.D. 0.005 mg/kg 102 85-115 <br /> Toluene N.D. 0.005 mg/kg 100 81-119 <br /> Ethylbenzene N.D. 0.005 mg/kg 99 85-115 <br /> Total Xylenes N.D. 0.02 mg/kg 101 85-115 <br /> Batch number: Z051472AA Sample number(s) : 4528314,4528316-4528317 <br /> Benzene N.D. 0.5 ug/l 92 85-117 <br /> Toluene N.D. 0.5 ug/l 95 85-115 <br /> Ethylbenzene N.D. 0.5 ug/l 96 82-119 <br /> Xylene (Total) N.D. 0.5 ug/l 95 83-113 <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 Cone RPD Max <br /> Batch number: 05145A08A Sample number(s) : 4528316 <br /> TPH-GRO - Waters 113 63-154 <br /> Batch number: 05145A08B Sample number(s) : 4528314,4528317 <br /> TPH-GRO - Waters 113 63-154 <br /> Batch number: 05146SLB026 Sample number(s) : 4528313,4528315,4528318-4528321 <br /> Naphthalene 95 97 49-118 2 30 <br /> Acenaphthylene 97 98 27-155 1 30 <br /> Acenaphthene 99 99 46-129 0 30 <br /> Fluorene 98 98 47-136 0 30 <br /> Phenanthrene 100 101 46-140 2 30 <br /> Anthracene 102 102 43-139 0 30 <br /> Fluoranthene 90 91 28-151 1 30 <br /> Pyrene 102 103 47-139 0 30 <br /> Benzo(a)anthracene 98 100 42-146 2 30 <br /> Chrysene 104 102 47-147 1 30 <br /> Benzo(b)fluoranthene 97 95 50-134 2 30 <br /> Benzo(k)fluoranthene 100 99 53-130 1 30 <br /> Benzo(a)pyrene 99 98 50-137 0 30 <br /> Indeno(1,2,3-cd)pyrene 106 105 53-144 1 30 <br /> Dibenz(a,h)anthracene 87 85 55-137 2 30 <br /> Benzo(g,h,i)perylene 114 111 41-143 2 30 <br /> Batch number: 05152A34A Sample number(s) : 4528313,4528315,4528318-4528321 <br /> Benzene 94 94 52-135 0 30 <br /> Toluene 95 95 59-129 1 30 <br /> Ethylbenzene 95 95 56-132 0 30 <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 />