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Analysis • • <br /> Lancaster Laboratories Pagel of 5 <br /> Where qu h#y�s ascience <br /> Rauflty Control Summary <br /> Client Name Chevron Products Company Group Number 791779 <br /> Reported 01/10/02 at 08 40 PM <br /> Laboratory Compliance Quality Control <br /> Blank Blank Report LCS LCSD LCS/LCSD <br /> Analysis Name Result MDL Units %REC %REC Limits RPD RPD Max <br /> Batch number 01363105101A Sample numbers) 3751662-3751670 <br /> Nitrite Nitrogen N D 015 mg/l 99 90-110 <br /> Batch number 013650014A Sample number(s) 3751662-3751670 <br /> TPH - DRO CA LUFT (Waters) N D 50 ug/l 93 90 54-120 3 20 <br /> Batch number 01365A53 Sample number(s) 3751663-3751670 <br /> TPH-GRO - Waters N D 50 ug/l 85 87 76-119 2 20 <br /> Batch number 01365A56 Sample number(s) 3751662 <br /> TPH-GRO - Waters N D 50 ug/l 100 94 76-119 7 20 <br /> Batch number 020020111128 Sample number(s) 3751662-3751670 <br /> Total Organic Carbon N D 6 mg/l 92 85-115 <br /> Batch number 020030006A Sample number(s) 3751662-3751670 <br /> Methanol (by Direct Injection) N D 200 ug/1 100 80-113 <br /> Batch number 020031848003 Sample number(s) 3751662-3751670 <br /> Manganese N D 00062 mg/l 102 94-110 <br /> Wt <br /> ch number 02003A55 Sample number(s) 3751671 <br /> -GRO - Waters N ❑ 50 ug/l 92 91 76-119 1 20 <br /> Batch number 02007020201A Sample number(s) 3751662-3751670 <br /> Alkalinity to pH 4 5 100 98-103 <br /> Batch number 02007106101A Sample number(s) 3751662-3751667 <br /> Nitrate Nitrogen N D 04 mg/l 102 89-110 <br /> Batch number 02007106101B Sample number(s) 3751668-3751670 <br /> Nitrate Nitrogen N D 04 mg/l 102 89-110 <br /> Batch number. 02009112501A Sample number(s) 3751662-3751670 <br /> Sulfate (turbidimetric) N D 1 5 mg/l 97 97 90-110 0 3 <br /> Batch number 02009155301A Sample number(s) 3751662-3751670 <br /> Chemical Oxygen Demand 96 75-123 <br /> Batch number U013651AA Sample number(s) 3751662-3751671 <br /> Ethanol N D 50 ug/l 93 109 70-130 16 30 <br /> Methyl t-butyl ether N D 5 ug/l 103 97 77-127 6 30 <br /> di-lsopropyl ether N D 5 ug/l 106 102 74-125 4 30 <br /> Ethyl t-butyl ether N D 5 ug/l 106 100 74-120 5 30 <br /> t-Amyl methyl ether N D 5 ug/l 106 99 77-118 7 30 <br /> t-Butyl alcohol N D 5 ug/l 94 103 58-147 9 30 <br /> Benzene N D. 5 ug/l 107 101 85-125 6 30 <br /> 1,2-Dxchloroethane N D 5 ug/l 104 97 84-131 7 30 <br /> Toluene N D 5 ug/1 109 101 86-123 7 30 <br /> 1,2-Dibromoethane N D 5 ug/l 108 100 84-119 8 30 <br /> Ethylbenzene N D 5 ug/l 112 103 88-124 9 30 <br /> �-Outside of specification <br /> 1) The result for one or both determinations was less than five times the LOQ <br /> The background result was more than four tunes the spike added <br /> Lancaster laboratories Inc <br /> M B M B le R 2425 New Holland Pike <br /> PO Box 12425 <br /> Lancaster,PA 17605-2425 <br /> 717-656-2300 Fax 717-656-2681 2216 Rev 9/11100 <br />