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ti <br /> Lan caste , n a I s is R'e p o rt <br /> oratorties .� _ - � � _ A y <br /> Lab <br /> 2425 New Holland Pike,PO Box 12425,Lancaster,PA 176052425•717-656-2300 Fax:717-656-2681•www.48rlCa5tertabs.com Page 1 of 4 <br /> I <br /> Quality Control Summary � . <br /> Group Number.: 969305 - <br /> Client Name: ChevronTexaco <br /> Reported: 12/08./05 at 11:05 AM <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 /> F s Laboratory Compliance "Quality Control <br /> Blank Blank Report LCS. LCSD LCS/LCSD <br /> Analvais Name Result )ML Units %REC $REC Limits RPD RPD Max <br /> Sam le number(s) : 4659244-4659252 Y � . <br /> Batch number: 05336AISA N.D. 50 ug/l 105 105 70-130 1 30 f <br /> TPH-GRO - Waters <br /> Batch number: 05337A16A sample number(s) —4659253-46S9254 <br /> . TPH-GRO - Waters N.D. 50. ug/1 <br /> 105 107 70-130 30 <br /> i' <br /> Sample number(s) : 4659245-4659254 <br /> Batch number: 053400001A 80-120 <br /> Methanol (by Direct Injection} N.D. 1000. ug/1 111 <br /> Batch number: Z05339IAA Sample number(s) 4659245-4659254 30-155 f <br /> Ethanol . N.D. 500. ug/l 113 77 127 <br /> N.D. 2. ug/l 90 ! <br /> Methyl Tertiary Butyl Ether N D 2 ug/1 89 67-130 <br /> di-Isopropyl ether 74-120 <br /> Ethyl t-butyl ether N.D. 2. ug/ 8979-113 <br /> ^ <br /> t-Amyl methyl ether N.D. 2. ug/1l 92 { 60-133 <br /> t-Butyl alcohol N.D. 100" ug/l 93 85-117 I <br /> Benzene N.D. 5 ug/1 93 77-132 <br /> I,2-Dichloroethane N.D. 2. ug/l .93 85-115 <br /> Toluene N.D. .5 ug/l 94 <br /> N.D. 2. ug/l 86 81-114 <br /> 1,2-Di bromoethane N D 5 ug/1 94 82-119 <br /> Ethylbenzene ° 83-113 <br /> Xylene (Total) N.D. .5 ug/l 97 <br /> Batch number: Z053401AA Sample number(s) : 4659244 " <br /> Methyl Tertiary Butyl Ether N.D. 2. ug/l 85 77-127 <br /> r N.D. .5 ug/l 90 85-117 <br /> Benzene 85=115 <br /> Toluene N.D. .5 ug/1 93 82-119 <br /> Etbylbenzene N.D. .5 lig/l 93 83-113 <br /> Xylene (Total) N.D. .5 ug/1 97 <br /> Sample Matrix Quality Control <br /> MS MSA MS/MSD RPD EKG DUP DUP Dup APD <br /> Aaal s_ irk s Name %REC %REC Limits RPD MAX Conc.. Conc RPD Max_ <br /> Batch number: 05336A16A Sample number(s) d 465924474659252 ' s-P <br /> TPH-GRO - Waters • 116 117 63-154 1 30 <br /> I <br /> Batch number: 05337A16A Sample number($) : 4 49253-4659254 <br /> 12 F <br /> TPH-GRO - Waters j <br /> Batch number: 053400001A Sample number(s) :, 4659245-4659254 ; <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 /> t I <br /> t <br />