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APPENDIX A <br /> HISTORICAL ANALYTICAL RESULTS OF GROUND WATER SAMPLES <br /> SHOCKEY and SONS TRUCKING <br /> 850 Milgeo Avenue <br /> Ripon, California <br /> (uo) <br /> Depth( EPA 8015 Mod/8020 EPA SW 846/8260B <br /> Sample ID DateEthyl- Total <br /> bsg) TPH-g TPH-d Benzene Toluene benzene X ]ones MTBE RIPE ETBE MTBE TAME TBA Methanol Ethanol EDB 1,2-DCA <br /> P1-H20 12-12-1995 120,000 1.2 <0.5 <0.5 5.2 - - - - - - - - - - <br /> P4-HZO 12-12-1995 - 1,100,000 34 <0.5 3.7 12 - <br /> P6-H20 07-29-1999 <50 850 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> P7-H20 07-29-1999 <50 1,100 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> P8-H20 07-29-1999 <50 <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> P9-H2O 07-29-1999 <50 <50 <0"5 <0.5 <0.5 <0.5 <5.0 <br /> P11-H2007-29-1999 <50 430 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> P12 40 10-26-2001 <50 370 <0.5 <0.5 <0.5 <0.5 <5.0 <1.0 <1.0 <1.0 <1.0 <50 <500 <5.0 <1.0 <1.0 <br /> P12b 50 10-26-2001 <50 130 <0.5 <0.5 <0.5 <0.5 <5.0 1 <1.0 <1.0 <1.0 <1.0 <50 <500 <5.0 <1.0 <1.0 <br /> Pi3a 1 40 10-26-2001 <50 550 0.64 <0.5 <0.5 <0.5 <5.0 <1.0 <1.0 <1.0 <1.0 <50 <500 <5"0 <1.0 <1.0 <br /> P13b 50 1 10-26-2001 <50 140 <0.5 <0.5 <0.5 <0.5 <5.0 <1.0 <1.0 <1.0 <1.0 <50 <500 <5.0 <1.0 <1.0 <br /> Notes: <br /> ug/l: micrograms per liter DIPE: Di-isopropyl ether <br /> ft bsg: feet below surface grade ETBE: Ethyl tertiary-butyl ether <br /> TPH-g: Total Petroleum Hydrocarbons quantified as gasoline TAME: Tertiary-amyl methyl ether <br /> TPH-d: Total Petroleum Hydrocarbons quantified as diesel 1,2-DCA: 1,2-dichloroethane <br /> MTBE: Methyl tertiary-butyl ether EDB: 1,2-dibromoethane <br /> TBA: Tertiary butanol Not analyzed <br /> <: Indicates constituents were not detected at a concentration greater than the reporting limit shown. r <br /> i <br /> Advanced GeoEnvironmental <br />