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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;717.656-2661•www.lancasterlabs.com <br /> Page I of 3 <br /> Quality Control Summary <br /> Client Name: ChevronTexaco Group Number: 905016 <br /> Reported: 08/03/04 at 02 :16 PM + <br /> 4 _ J <br /> Matrix QC may not be reported if site-specific QC samples were not <br /> submitted. In these situations,to demonstrate precision and accuracy at <br /> a batch level,a LCS/LCSD was'performed,unless otherwise specified in the <br /> method. <br /> Laboratory Compliance Quality Control <br /> Blank Blank R4port LCS LCSD LCS/LCSD <br /> Analysis Name Result IDL Units %REC %RRC Limits RPD RPD Max <br /> Batch number: 042080020A Sample number(s) :: 4316882-4316883 <br /> Methanol (by Direct Injection) N.D. 1000. ug/l - 104 _ 1 76-119 ism <br /> Batch number: 0420BA07B Sample number(s) : 4316881-4316883 _ * l „ <br /> TPH-GRO - Waters N.D. 50. ug/1 102 104 70-130 1.- .30 <br /> 44, <br /> Batch number: 04208A07C Sample number(s) : 4316884 <br /> TPH-GRO - Waters N.D. 50. ug/1 102 104 70-130 1 30 <br /> � xy <br /> Batch number: N042111SE Sample-number(s) : 4316881 <br /> Methyl Tertiary Butyl Ether N.D. 2. ug/1 112 114 77-127 2 30 , <br /> "Benzene N.D. .5 ug/1 107 109 85-117 2 30 ` J <br /> Toluene N.D. .5 ug/1 103 107 65-115 4 30 <br /> Ethylbenzene N.D. .5 ug/1 99 103 82-119 4 30 <br /> Xylene (Total) N.D. .5 ug/l 101 104 84=120 3 30 " <br /> Batch number: Z042122AA Sample number(s) : 4316882-4316884 <br /> Ethanol N.D. 500, ug/l 101 46-145 <br /> Methyl Tertiary Butyl Ether N.D. 2. ug/1 102 77-127 ° <br /> di-isopropyl ether N.D. 2. ug/1 110 67-130 <br /> Ethyl t-butyl ether N.D. 2. u9/1 97 74-120 '. <br /> t-.Amyl methyl ether N.D. 2. ug/l 91 79-113 <br /> t-Butyl alcohol N.D, 100. ug/l 89 57-141 <br /> Benzene N.D. .5 ug/1 94 85-117 <br /> Toluene N.D. .5 ug/1 92 85-115 <br /> Ethylbenzene N.D. 5 ug/1 _ 92 82-119 <br /> Xylene (Total) N.D. .5 ug/l 90 84-120 �. + <br /> Sample Matrix Quality Control <br /> Ms MSD MS/MSD RPD BKO DUP DUP Dup RPD <br /> Analyp,is_Name %REC „%REC Limits RPD MAX C_one Cont RPD04 <br /> _ <br /> Batch number: 042080020A Samplenumber(s) :- 4316882=43.16883 A <br /> Methanol (by Direct Injection) 100 .104 72-122 4 20 <br /> Batch number: 04208A07B Sample number(s): 4316881-4316883 <br /> TPH-GPO - Waters 95 63-154 <br /> Batch number: 04208A07C Sample number(s) : 4316884 <br /> TPH-GRO - Waters 95 63-154 <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 /> F <br /> J <br />