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i <br /> Analysis Report <br /> Lancaster Laboratories Page 2 of 3 <br /> d Where quality is a science <br /> Quality Control Summary <br /> Client Name Chevron Products Company Group Number. 782468 <br /> Reported 10/29/01 at 10.37 PM <br /> Sample Matrix Quality Control <br /> Ms MSD MS/MSD RPD EKG DUP DUP Dup <br /> RPD <br /> Analysis Name %REC %REC Limps RPD MAX Conc Conc RPD Max <br /> 1,2-Dichloroethane 107 107 75-141 0 30 <br /> 1,2-Dibromoethane 102 101 78-120 1 30 <br /> Surrogate Quality Control <br /> Analysis Name TPH-GRO N California (waters) <br /> Batch number 0129OA55 <br /> Trifluorotoluene-F Trifluorotoluene-P <br /> 3708208 81 105 <br /> 3708209 83 103 <br /> 3708210 81 99 <br /> 3708211 80 100 <br /> 3708212 79 84 <br /> 3708213 83 111 <br /> 3708214 79 98 <br /> 3708215 81 106 <br /> 08216 81 106 <br /> 08217 81 112 <br /> 708218 82 107 <br /> Blank 79 98 <br /> LCS 97 99 <br /> LCSD 89 102 <br /> Limits 65-137 72-134 <br /> Analysis Name MTBE by GC/MS (water) <br /> Batch number- U012952AA <br /> Dibromofluoromethane 1,2-Dichloroethane-d4 Toluene-d8 4--Bromofluorobenzene <br /> 3708213 113 109 103 96 <br /> Blank 112 104 104 96 <br /> LCS 110 102 103 102 <br /> LCSD 111 110 104 104 <br /> MS 112 106 104 101 <br /> Limits 86-118 80-120 88-110 86-115 <br /> Analysis Name BTEX + Oxygenates by 8260E <br /> Batch number. V012901AB <br /> Dabromofluoromethane 1,2-Dichloroethane-d4 Toluene-d8 4-Bromofluorobenzene <br /> 3708216 106 96 100 100 <br /> 3708217 105 95 100 101 <br /> 3708218 104 93 102 100 <br /> Blank 103 97 103 101 <br /> LCS 105 98 101 102 <br /> Ms 107 100 100 104 <br /> *-Outside of specification <br /> The result for one or both determinations was less than five times the LOQ <br /> The background result was more than four times the spike added <br /> Lancaster Laboratories Inc <br /> MEMBER 2425 New Holland Poke <br /> PO Box 12425 <br /> Lancaster PA 17605 2425 <br /> 717-656-2300 fax 717-656-2681 2216 Rev 9111100 <br /> 1 <br />