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UOC ANALYTIC ENDALE QC REPORT FOR 9703587 DATE PRINTED 09 APR 1997 -------- MATRIX QC ---------------- AQUEOUS SAMPLES ------ METHOD BLANK ------ -LCS------LCSD LAB CONTROL -------------- RPD RPD RPO RPO MS MSD UNITS RESULT RDL FLG %REC FLG %REC FLG LCL UCL RPD UCL FLG %REC FLG %REC FLG LCL UCL RPO UCL FLG Batch GAS*914044 Method 8015M TX - Modified 8015, con't 110 -€ 113 - 78 124 2 25 - TPH (Gasoline Range) ug/L 0 50 - 110 - - - 85 120 - - - - - - - - [a,a,a-Trifluorotoluene] Percent 96 - - 94 - - - 85 118 - - - 107 105 85 118 i Batch GAS*977022 Method 8015M TX - Modified 8015 116 118 - 70 153 2 25 - Benzene ug/L 0 0 5 - 98 - - - 7fi 155 - - - - Toluene ug/L 0 25 0 5 - 101 - - - 72 121 - - - 90 - 91 - 69 119 0 25 - Ethylbenzene ug/L 0 0 5 - 98 - - - 72 115 - - - 93 93 - 68 176 1 25 - fit 159 90 - 91 - SO 176 1 25 Methyl-tert-butylether ug/L 0 30 - 121 - - - _ _ _ - Total Xylene Isomers ug/L 0 31 0 5 - 101 - - - 68 115 - - - 119 q 120 Q 61 118 1 25 TPH (Gasoline Range) ug/L 0 50 - 105 - - - 85 120 - - - 109 = 111 - 78 124 2 25 = [a,a,a-Trifluorotoluene] Percent 86 - - 92 - - - 85 118 - - - 108 107 85 118 Batch GAS*977023 Method B015M TX - Modified 8015 - Benzene ug/L 0 0 5 99 -- - - 76 155 - - - 122 - 116 - 70 153 5 25 Toluene ug/L 0 0.5 - 98 - - - 72 121 - - - 94 - 90 - 69 119 5 25 - Ethylbenzene ug/L 0 0 5 - 99 - - - 72 115 - - - 93 - 89 - 68 116 5 25 - Methyl-tert-butylether ug/L 0 30 - I11 - - - 62 159 - - - 122 - 122 - 80 176 0 25 - Total Xylene Isomers ug/L 0 0 5 - 101 - - - 68 115 - - - 92 - 87 - 61 118 5 25 - TPH (Gasoline Range) ug/L 0 50 - 100 - - - 85 120 - - - 101 - 102 78 124 1 25 = [a,a,a-Trifluorotoluenej Percent 98 - - 94 - - - 85 118 - - - 109 - 108 85 118 I