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TABLE 3 Page 10 of 11 .z <br /> GROUNDWATER DATA <br /> INDEPENDENT SHELL-BRANDED SERVICE STATION <br /> 4315 WATERLOO ROAD <br /> STOCKTON,CALIFORNIA <br /> MTBE MTBE 1,2- Depth to GW <br /> Well ID Date TPPH B T E X 8020 8260 TBA DIPS ETBE TAME DCA EDB Ethanol TOC Water Elevation <br /> µg/L µg/L. µg1L µg/L µg/L µg/L µ9/L µ9/L µg1L µ9/L µg2 µ9/L µ91L 991L. ftMSL MSL f t TOC ft MSL <br /> MW-10 11/9/2009 - - - - - - - - - - - - - - 32.43 75.80 -43.37 <br /> MW-10 11/13/2009 <50 <0.50 <1.0 <1.0 <1.0 - 6.1 <10 <2.0 <2.0 <2.0 8.0 <1.0 <100 32.43 75.61 -43.18 <br /> MW-10 3/10/2010 <50 <0.50 <1.0 <1.0 <1.0 - 3.2 <10 <2.0 <2.0 <2.0 3.6 <1.0 <100 32.43 71.57 -39.14 <br /> MW-10 6/21/2010 <50 <0.50 <1.0 <1.0 <1.0 - 4.6 <10 <2.0 <2.0 <2.0 3.7 <1.0 <100 32.43 67.50 -35.07 <br /> MW-10 8/27/2010 <50 <0.50 <1.0 <1.0 <1.0 - 6.4 <10 <2.0 <2.0 <2.0 4.6 <1.0 <100 32.43 70.20 -37.77 <br /> MW-10 12/22/2010 98 <0.50 <1.0 <1.0 <1.0 - 110 <10 <2.0 <2.0 <2.0 3.3 <1.0 <100 32.43 68.54 -36.11 <br /> MW-10 5/25/2011 <50 <0.50 <0.50 <0.50 <1.0 - 44 <10 <1.0 <1.0 <1.0 1.0 <0.50 <150 32.43 61.40 -28.97 <br /> MW-10 11/4/2011 130 1<1.0 <1.0 <1.0 <2.0 - 170 <20 <2.0 <2.0 <2.0 1.7 <1.0 <300 32.43 63.72 -31.29 <br /> MW-10 3/1/2012 120 <0.50 <0.50 <0.50 <1.0 - 140 <10 <0.50 <0.50 <0.50 1.0 <0.50 <150 32.43 61.59 -29.16 <br /> MW-10 5/3/2012 160 <0.50 <0.50 <0.50 <1.0 - 160 <10 <0.50 <0.50 <0.50 0.81 <0.50 <150 32.43 61.66 -29.23 <br /> MW-10 9/26/2012 340 <2.5 <2.5 <2.5 <5.0 - 390 <50 <2.5 <2.5 <2.5 <2.5 <2.5 <750 32.43 65.72 -33.29 <br /> Notes and Abbreviations: <br /> TPPH=Total petroleum hydrocarbons as gasoline by EPA Method 8260B;prior to July 23;2001,analyzed by EPA Method 8015. <br /> TEPH=Total petroleum hydrocarbons as diesel by modified EPA Method 8015. <br /> BTEX=Benzene,toluene,ethylbenzene,xylenes by EPA Method 8260B;prior to July 23,2001,analyzed by EPA Method 8020. <br /> MTBE=Methyl tertiary butyl ether <br /> DIPE=Di-isopropyl ether,analyzed by EPA Method 8260B <br /> ETBE=Ethyl tertiary butyl ether,analyzed by EPA Method 8260B <br /> TAME=Tertiary amyl methyl ether,analyzed by EPA Method 8260B <br /> TBA=Tertiary butyl alcohol or Tertiary butanol,analyzed by EPA Method 8260B <br /> 1,2 DCA=1,2-Dichloroethane,analyzed by EPA Method 8260B <br /> EDB=1,2-Dibromoethane,analyzed by EPA Method 8260B <br /> TOC=Top of casing elevation(Elev)in feet relative to mean sea level(MSL) <br /> SPH=Separate-Phase Hydrocarbons <br /> GW=Groundwater <br /> µg/L=Micrograms per liter(parts per billion) <br /> ft=Feet <br /> <n=Below detection limit <br /> -=Not applicable <br /> CRA241359(16) <br />