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1 <br /> Lancaster i <br /> Laboratories <br /> Page 1 of 2 <br /> - Quality -Control--Summary - - - <br /> ' <br /> Client Name ChevronTexaco _' _ Group Number 839932' <br /> Reported 02/12/03 aiE T12 416 PM <br /> Laboratory Compliance Quality Control z <br /> Blank Blank S+Report , LCS LCSD LCS/LCSD <br /> Analysis Name Result 1�1L' l" Units %REC %REC Limits RPD RPD Max <br /> Batch number 03034A07B Sample number,(s) 3988063 <br /> TPH-GRO - Waters N D 50 ug/l 112 107 70-130 5 30 <br /> ,I. <br /> Batch number 03034A07C Sample numberls) 3988064-3988066 <br /> TPH-GRO - Waters N D 50 ug/l 112 107 70-130 5 30 <br /> Batch number N030342AB Sample number(s) 3968063-3988066 <br /> Methyl Tertiary Butyl Ether ' N D 5 ' ug/l 101 77-127 <br /> Benzene N D 5 ug/l 109 85-117 <br /> Toluene N D 5 ug/l 108 85-115 <br /> Ethylbenzene N D 5 ug/1 107 82-119 <br /> Xylene (Total) N D t 5F ug/l 110 84-120 <br /> _= Sample Matrix Quality Control <br /> MS MSD ' MS/MSD RPD BRG DUP DUP DUP <br /> , RPD <br /> Analysis Name %REC %REC „ Limits RPD MAX Cona Conc RPD Max <br /> Batch number 03034A07B Sample numberls) 3988063 <br /> TPH-GRO - Waters 106' X110 + 70-130 3 30 <br /> Batch number 03034A07C' Sample number(s) 3988064-3988066 <br /> TPH-GRO - Waters 106 4110 70-130 3 30 <br /> Batch number N030342AB Sample number(s) 13988063-3988066 <br /> Methyl Tertiary Butyl-Ether 105 104 69-134 0 30 <br /> Benzene 114 114 83-128 1 30 <br /> Toluene 115 114 83-127 1 30 <br /> Ethylbenzene 115 113 82-134 2 30 <br /> Xylene (Total) 117 115 82-130 2 30 <br /> Surrogate Quality Control <br /> Analysis Name TPH-GRO - Waters <br /> Batch number 03034A07B <br /> Trifluorotoluene-F <br /> -j -3988063 -_ --92 T �- -- -- _ �—r— — -- - - -- -- -r --- -- - - - <br /> Blank Be <br /> LCS 115 , <br /> LCSD 112 <br /> MS 115 <br /> MSD 116 <br /> 5 <br /> Limits 57-146 <br /> Analysis Name TPH-GRO - Waters I <br /> Batch number 03034A07C <br /> Trifluorotoluene-F <br /> *- Outside of specification <br /> (1) The result for one or both determinations was le55 than five times the LOQ <br /> (2) The background result was more than four times the spike added <br /> Lancaster Laboratories Inc <br /> M I-M B IE R 2425 New Holland Pike s <br /> PO Box 12425 <br /> ® Lancaster PA 17605 2425 <br /> 717-656 2300 Fax 717-656 2681 w�a ae �nr�in� <br />