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1 - <br /> Lancaster <br /> _ Laboratories Analysis Report <br /> Y p t <br /> 2425 New Holland Pike,PO Box 12425,Lancaster,PA 17605-2425•717-656-2300 Fax:717-656-2681•www.lancastertabs.com <br /> Page 1 of 14 <br /> Quality Control Summary <br /> 1 Client Name: Chevron Group Number: 1127396 <br /> Reported: 01/21/09 at 05:10 PM <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 Blank Report LCS LCSD LCS/LCSD <br /> Analysis Name Result MDL** Loo Units %RBC %REC Limits RPD RPD Max <br /> ' Batch number: 09013A07A Sample number(s) : 5573128-5573140 <br /> TPH-GRO N. CA water C6-C12 N.D. 50. 100 ug/1 118 127 75-135 7 30 <br /> Batch number: 09013A20A Sample number(s) : 5573113-5573125,5573127 <br /> tTPH-GRO N. CA water C6-C12 N.D. 50. 100 ug/1 100 109 75-135 9 30 <br /> Batch number: N090122AA Sample number(s) : 5573113-5573114,5573117-5573125,5573127-5573130,5573132- <br /> 5573133 <br /> Ethanol N.D. So. 250 ug/1 62 45-156 <br /> Methyl Tertiary Butyl Ether N.D. 0.5 4 ug/1 109 73-119 <br /> di-Isopropyl ether N.D. 0.5 4 ug/l 98 <br /> Ethyl t-butyl ether N.D. 0.5 ¢ 70-123 <br /> t-Amyl methyl ether N.D. 0.5 4 ug/1 103 74-120 <br /> u <br /> t-But 1 alcohol g/1 104 79-113 <br /> 1' N.D. 5. 80 ug/1 88 74-117 <br /> ' Dichlorodifluoromethane N.D. 2. 5 ug/1 107 <br /> Chloromethane N.D. 1. 5 ug/1 102 45-15847-133 <br /> Vinyl Chloride N.D. 1. 5 ug/1 98 62-128 <br /> Bromomethane N.D. 1. 5 ug/1 99 <br /> Chloroethane 50-128 <br /> N.D. 1. 5 ug/1 101 56-128 <br /> Trichlorofluoromethane N.D. 2. 5 ug/1 119 <br /> ' 1,1-Dichloroethene 60-137 <br /> N.D. 0.8 5 ug/1 114 76-122 <br /> Methylene Chloride N.D. 2. 5 ug/1 105 85-120 <br /> trans-1,2-Dichloroethene N.D. 0.8 5 ug/1 110 83-117 <br /> 1,1-Dichloroethane N.D. 1. 5 ug/1 105 83-127 <br /> 2,2-Dichloropropane N.D. 1. 5 ug/l 114 74-130 <br /> cis-1,2-Dichloroethene N.D. 0.8 5 ug/l 108 84-117 <br /> Chloroform N.D. 0.8 5 ug/l 109 77-125 <br /> Bromochloromethane N.D. 1. 5 ug/l 106 83-121 <br /> 1,1,1-Trichloroethane N.D. 0.8 5 ug/l 113 83-127 <br /> Carbon Tetrachloride N.D. 1. 5 ug/1 115 77-130 <br /> ' 1,1-Dichloropropene N.D. 1. 5 ug/1 108 84-116 <br /> Benzene N.D. 0.5 4 ug/1 105 78-119 <br /> 1,2-Dichlorcethane N.D. 0.5 4 ug/1 113 69-135 <br /> Trichloroethene N.D. 1. 5 ug/1 109 87-117 <br /> 1,2-Dichloropropane N.D. 1. 5 ug/1 99 80-117 <br /> Dibromomethane N.D. 1• 5 ug/l 109 87-117 <br /> t Bromodichloromethane N.D. 1. 107 <br /> 83-121 <br /> Toluene N.D. 0.5 4 ug/1 99 85-115 <br /> 1,1,2-Trichloroethane N.D. 0.8 5 ug/1 97 86-113 <br /> Tetrachloroethene N.D. 0.8 5 ug/l 102 76-118 <br /> 1,3-Dichloropropane N.D. 1. 5 ug/1 98 84-119 <br /> t Dibromochloromethane N.D. 1. 5 ug/1 101 78-119 <br /> 1,2-Dibromoethane N.D. 0.5 4 ug/1 98 81-114 <br /> Chlorobenzene N.D. 0.8 5 ug/1 101 85-115 <br /> 1,1,1,2-Tetrachloroethane N.D. 1. 5 ug/l 102 83-114 <br /> Etbylbenzene N.D. 0.5 4 ug/l 102 82-119 <br /> ' m+p-Xylene N.D. 0.5 4 ug/l 103 83-113. <br /> *-Outside of specification <br /> **-This limit was used in the evaluation of the final result for the blank <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 /> 1 <br />