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ti�ti eurofns ' <br /> Lancaster Analysis Report <br /> Laboratories <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 6 i <br /> Quality Control Summary <br /> Client Name: Chevron Group Number: 1302793 <br /> Reported: 05/02/12 at 02:55 PM <br /> Blank Blank Report LCS LCSD LCS/LCSD <br /> Analysis Name Result MDL Units %REC 96 REC Limits RPD RPD Max <br /> Toluene N.D. 0.5 ug/l1. 100 79=120 <br /> �• Xylene (Total) N.D. 0.5 -, ug 1 - °' 95 77-120 <br /> 1 Batch number: 12109C20A Sample number(s) : 6619156-6619157 <br /> 1F..i TPH-GRO N. CA water C6-C12 N.D.. 50. ug/l 91 90 75-135 1 30 <br /> Batch number: 1211IA53A Sample number(s).: 6619158-6619163 <br /> TPH-GRO N. CA water C6-C12 N.D .50. ug/l 91 86 75-135 5 30 <br /> Batch number: 121110021A Sample.number(s) : 6619157°6619163 <br /> Methanol N.D. 206. ug/1 ` 92' . 70-130 <br /> Batch number: 121090006A Sample numbers)-: 661915.7-6619163 : <br /> TPH-DRO CA C10-C28 N.D. 32. ug/l 88 81 56-122 7 .20 . <br /> Batch number: 121100018A Sample number(s) 6619157"'66 19163 <br /> Total TPH N.D. 40. ug/1, 100. 114 52-119 13 20 <br /> TPH Motor Oil C16-C36 N.D. 40. ug/I` <br /> LBatch number: 121090005A "Sample number(s) :•6619157-6619163 <br /> TPH-DRO CA C10-C28 w/ Si Gel N.D. 32. ug/1 69 81 50-118 17 20 <br /> Batch number: 121100019A Sample number(s) 6.619157-6619163 t <br /> Motor Oil C16-C36 w/Si Gel N.D. 40. ug/l <br /> Total TPH w/Si Gel N.D. 40. ug/l 79 76 50-129 3 20 <br /> Sample Matrix Quality Control <br /> Unspiked (UNSPK) = the sample used in conjunction with the matrix spike <br /> Background (BKG) = the sample used in conjunction with the duplicate <br /> MS MSD MS/MSD RPD BKG9 DUP DUP Dup RPD <br /> Analysis Name %REC %REC. Limits RPD MAX Conc Conc RPD Max <br /> Batch number: F121104AA Sample number(s) : 6619156 UNSPK: P619155- <br /> Benzene 104 105 72-134 1 30 <br /> Ethylbenzene 101 99. 71-134 1 30 <br /> Methyl Tertiary Butyl Ether 93 95 72-126 2y 30 <br /> Toluene 105 105 80-125 0 30 <br /> Xylene (Total) 105 103 79-125 2 `30 ' <br /> Batch number: F121152AA Sample number(s) 6619162-661916.3 UNSPK: P624258 <br /> t-Amyl methyl ether 84 87 65-117 3 30 <br /> Benzene 99 99 72-134 0 30 <br /> t-Butyl alcohol 94. . 94 67-119 0.. ,30 <br /> 1,2-Dibromoethane 84 87 77-116 3 30` <br /> 1,2-Dichloroethane 103 107 68-131 4 30 <br /> Ethanol 128 115 53-146 11 30 <br /> Ethyl t-butyl ether 91 93 74=122 3 30 <br /> Ethylbenzene 93 95 71-134 2 30 <br /> -di-Isopropyl ether 92 _ 95 70-129 3 30- <br /> Methyl <br /> 0 Methyl Tertiary Butyl Ether 87 91 72-126 4 30, <br /> C Toluene 97 99 80-125 1 30 <br /> Xylene (Total) 95 98 79-125 3 30 <br /> *-Outside of specification <br /> (1)The result for one or both determinations was less than five times the LOQ. . <br /> (2)The unspiked result was more than four times the spike added. <br /> C - <br />