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41 c <br /> Ahqlysis,, Report <br /> Lancaster Laboratories Page 5 of 7 <br /> ry Where quality Is a saence <br /> Quality Control Summary <br /> Client Name ChevronTexaco Group Number 820390 <br /> Reported 09/10/02 at 03 59 PM <br /> Sample Matrix Quality Control <br /> Ms MSD MS/MSD RPD BKG DIP DIF Dup <br /> RPD <br /> analvsis Name %RBC %REC Limits RPD MAX Conc Conc RPD Max <br /> Trichlorofluoromethane 111 113 70-154 1 30 <br /> 1,1-Dichloroethene 118 117 69-151 1 30 <br /> Methylene Chloride 109 108 80-126 1 30 <br /> trans-1,2-Dichloroethene 113 111 82-133 2 30 <br /> 1,1-Dxchloroethane 111 111 79-135 1 30 <br /> cis-1,2-Dichloroethene 107 106 83-126 1 30 <br /> Chloroform 107 104 77-133 2 30 <br /> 1,1,1-Trichloroethane 108 106 82-135 2 30 <br /> Carbon Tetrachloride 105 103 73-144 2 30 <br /> Benzene 111 109 78-134 1 30 <br /> 1,2-Dichloroethane 102 102 73-136 1 30 <br /> Trichloroethene 106 104 75-135 2 30 <br /> 1,2-Dichloropropane 103 101 81-121 2 30 <br /> Bromodichloromethane 98 97 81-127 0 30 <br /> Toluene 109 109 83-127 0 30 <br /> 1,1,2-Tr2chloroethane 103 103 82-127 0 30 <br /> Tetrachloroethene 116 114 74-149 2 30 <br /> Dibromochloromethane 93 92 73-119 1 30 <br /> Chlorobenzene 106 105 81-125 0 30 <br /> Ethylbenzene 109 108 82-134 1 30 <br /> m+p-Xylene 110 110 82-130 0 30 <br /> o-Xylene 110 107 82-130 2 30 <br /> Bromoform 88 88 59-122 1 30 SS <br /> 1,1,2,2-Tetrachloroethane 98 99 69-121 1 30 1 <br /> 1,3-Dichlorobenzene 109 108 82-128 1 30 <br /> 4-Dichlorobenzene 105 104 81-122 1 30 <br /> 12-Dichlorobenzene 103 105 82-117 1 30 <br /> rans-1,3-Dichloropropene 98 96 70-120 1 30 <br /> cis-1,3-Dichloropropene 97 95 69-118 2 30 <br /> Freon 113 121 120 81-155 1 30 <br /> Surrogate Quality Control <br /> Analysis Name TPH - DRO CA LUFT (Waters) <br /> Batch number 022400004A <br /> Orthoterphenyl <br /> 3886115 95 <br /> Blank 95 <br /> LCS 85 <br /> LCSD 91 <br /> Limits 59-139 <br /> Analysis Name TPH-GRO - Waters <br /> Batch number 02240ASIA <br /> Trifluorotoluene-F <br /> 3886114 101 <br /> Blank 101 <br /> LCS 105 <br /> LCSD 109 <br /> MS 114 <br /> Limits 57-146 <br /> *-Outside of specification <br /> The result for one or both deterrrunations was less than five times the LOQ <br /> The background result was more than four times the spike added <br /> Lancaster Laboratories Inc <br /> M M B E R 2425 New Holland Pike <br /> PO Box 12475 <br /> Lancaster PA 17605 2425 <br /> 717-656-2300 Fax 717 656-2681 2216 Rev 9111100 <br />