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Analysis eport <br /> Lancaster <br /> Laboratories <br /> Page 1 of 2 <br /> Quality Control Summary <br /> Client Name ChevronTexaco Group Number 853939 <br /> Reported 06/10/03 at 08 24 AM <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 /> Batch number 03146A34D Sample number(s) 4054024 <br /> TPH-GRO - Soils N D 1 0 mg/kg 94 70-130 <br /> Batch number 031535708001 Sample number(s) 4054024 <br /> Lead N D 0 790 mg/kg 94 86-109 <br /> Batch number D031501AC Sample number(s) 4054024 <br /> Benzene N D 1 ug/kg 111 83-118 <br /> Toluene N D 1 ug/kg 105 81-116 <br /> Ethylbenzene N D 1 ug/kg 103 82-115 <br /> Xylene (Total) N D 1 ug/kg 101 82-117 <br /> Sample Matrix Quality Control <br /> MS MSD MS/MSD RPD EKG Dt3P DVI? Dup <br /> RPB <br /> Analysis Name %REC %REC Limits RPD MAX Conc Conc RPD Max <br /> atch number 03146A34D Sample number(s) 4054024 <br /> PH-GRO - Soils 104 100 70-130 2 30 <br /> Batch number 031535708001 Sample number(s) 4054024 <br /> Lead 91 100 75-125 6 20 24 0 26 5 10 (1) 20 <br /> Batch number D031501AC Sample number(s) 4054024 <br /> Benzene 96 91 52-141 5 30 <br /> Toluene 92 86 53-137 6 30 <br /> Ethylbenzene 88 80 50-136 9 30 <br /> Xylene (Total} 87 79 47-139 8 30 <br /> Surrogate Quality Control <br /> Analysis Name TPH-GRO - Soils <br /> Batch number 03146A34D <br /> Trifluorotoluene-F <br /> 4054024 93 <br /> Blank 93 <br /> LCS 99 <br /> MS 100 <br /> MSD 98 <br /> Limits 66-117 <br /> Analysis Name UST-Unleaded Soils by 8260B <br /> Batch number D031501AC <br /> pibromofluoromethane 1,2-Dachloroethane-d4 Toluene-dS 4-Bromo£luorobenzene <br /> 4054024 94 86 91 84 <br /> Blank 91 92 90 86 <br /> *-Outside of specification <br /> 10 I) The result for one or both determinations was less than five times the LOQQ2) The background result was more than four times the spike added <br /> Lan(aster Laboratories Inc <br /> M Ic M B E R 2425 New Holland Pike <br /> ® PO Box 12425 <br /> Lancaster PA 17605 2425 <br /> 717 656 2300 F-ix 717 656 2681 2216 Rev 3110/03 <br />