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�r r rr r rr � � ■r r rr r� r ■r r r r� � ' <br /> Tab A <br /> Historical Groundwater Analytical Data <br /> 7-Eleven Store#14117 <br /> 2725 Country Club Boulevard <br /> Stockton,California <br /> Well IDI Ethyl- MTBE Dissolved <br /> Elevation Date Benzen Toluene benzene Xylenes TPH-G 80218 8260 TBA DIPS ETBE TAME Oxygenj DTW SPT WTE <br /> (TOC) (pgL) (pgL) (pSL) (pgL) (pgL) (pgL) (pgL) (pgL) (pgL) (pgL) (MgL) (mg/L) (feet) (feet) (feet) <br /> MW-4 <br /> 092 08/28/99 340 <10 750 150 4,200 510 <400 <100 <100 <100 0 7 9 20 0 00 -8 28 <br /> 11/24/99 485 134 553 169 6,740 1,240 969 <100 <25 <25 <25 1 3 995 000 -903 <br /> 02/02/00 446 <3 1,150 664 2,150 1,220 1,490 <100 <25 <25 <25 1 3 996 000 -904 <br /> 05/16100 190 <12 250 130 9,600 -- 9,700 <1,200 <50 <50 <50 04 717 000 -625 <br /> 08/08100 980 <251 380 550 7,400 -- 1,200 <1,2001 <50 <50 <50 03 855 000 -763 <br /> 11115!00 200 <101 400 300 4,700 -- 1,100 650 <25 <25 <25 05 872 000 -7 80 <br /> 02/07101 200 <25 580* 440 7,900 810 <620 <25 <25 <25 08 767 <br /> 0 00 -fi 75 <br /> 05/23/01 89 <5 340 260 3,500 -- 810 <620 <25 <25 <25 1 0 7 60 0 00 -6 68 <br /> TBA=tert-butanol <br /> pg/L=Micrograms per Mer DIPE=diisopropyl ether <br /> mg/L=Milligrams per liter ETBE=ethyl-tert-butyt ether <br /> MTBE=methyl Cert-butyl ether TAME=tert-amylmethyl ether <br /> TPH-G=total petroleum hydrocarbons-as-gasoline --=Not available/not analyzed <br /> *Method Blank Contamination The associated method blank contains the target analyte at a reportable level <br /> 7-11 11 41 1 7 tbl xls 2 of 2 6-12-01 <br />