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Analysis Report <br /> Lancaster <br /> Laboratories i <br /> Page I of 2 <br /> Quality Control Sunnary <br /> Client Name ChevronTexaco Group Number 838608 <br /> Reported 01/31/03 at 01 56 PM <br /> Laboratory Compliance Quality Control <br /> Blank Blank Report LCS LCSD LCS/LCSD <br /> AnalYsis Name Result KDL Units %REC %REC LiMIts RPD RPD Max <br /> Batch number 03021A07D Sample number(s) 3981583-3981.586 <br /> TPH-GRO - Waters- - - '-N D 50 ug/1_ 99 106 ' 74-116 7 30 <br /> Batch number P030272AA Sample number(s) 3981583-3981586 <br /> Methyl Tertiary Butyl Ether N D 5 ug/l 96 77-127 <br /> Benzene N D 5 ug/l 102 85-117 <br /> Toluene N D 5 ug/l 101 85-115 <br /> Ethylbenzene N D 5 ug/1 102 62-119 <br /> Xylene (Total) N D 5 ug/1 105 84-120 <br /> Sample Matrix Quality Control <br /> MS MSD MS/MSD RPA BKG DUP DVP Dup <br /> RPD <br /> Analysia Name %REC %REC Limits RPD MAX Conc Conc RPD Max <br /> Batch number G3021A07D Sample number(s) 3981583-3981586 <br /> TPH-GRO - Waters 112 107 74-132 5 30 <br /> Batch number P030272AA Sample number(s) 3981583-3981586 • <br /> Methyl Tertiary Butyl Ether 99 99 69-134 0 30 <br /> Benzene 109 109 78-134 0 30 <br /> Toluene 109 108 83-127 1 30 <br /> Ethylbenzene 107 107 82-134 0 30 <br /> Xylene (Total) 111 109 82-130 2 30 <br /> Surrogate Quality Control <br /> Analysis Name TPH-GRO - Waters <br /> Batch number 03O2lAO7D <br /> Trifluorotoluene-F <br /> 3981583 90 <br /> 3981584 89 <br /> 3981585 B8 <br /> 3981586 B8 <br /> Blank 90 <br /> LCS 109 <br /> LCSD 111 <br /> MS 126 <br /> MSD 124 <br /> Limits 57-146 <br /> Analysis Name BTEX + Oxygenates by 8260B <br /> Batch number P030272AA <br /> Dibromofluoromethane 1,2-Dichloroethane-d4 Toluene-d8 4-Bromofluorobenzene <br /> 3981583 99 94 100 95 <br /> 3981584 96 96 100 94 <br /> *-Outside of specification <br /> (1) The result for one or both determinations was less than five dines the LOQ O <br /> (2) The background result was more than four times the spike added <br /> Lancaster Laboratories Inc <br /> M I;M B E R 2425 New Holland Pike <br /> - - ® PO Box 12425 <br /> Lancaster, 17605 2425 <br /> nti�a <br /> � - _�;nnnn raw 7�7-f,SF-7f,R1 <br />