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TABLE 2 <br /> SUMMARY OF GROUNDWATER MONITORING AND ANALYTICAL DATA <br /> 640 N. EI Dorado Street, Stockton, CA <br /> Page 6 of 6 <br /> (in micrograms per liter[ug/LJ) <br /> m <br /> c W d <br /> rn v = c Q E v m <br /> Well Date DTW GW = = a N d v m m ° ° o w w v <br /> (TOC) ELEV F F r m o > ~ w `o a hV m 5 v <br /> In F L x 1 L Ut � CL ci <br /> W U Z Z - <br /> MW7 06/03/03 24.75 1 -14.51 <50 <50 <1000 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 - 0.7 1.8 110 5.1 <0.5 <0.5 <0.5 <br /> (10.24) 09/04/03 25.79 -15.55 <50 <50 -- <0.5 <0.5 <0,5 <1.0 <0.5 <0.5 <0.5 1.0 0.5 120 6.5 <0.5 <0.5 <0. <br /> 12/04/03 26.58 -16.34 <50 <50 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 1.5 1.7 77 3.1 <0.5 <0.5 <0. <br /> 54 <br /> 03/08/04 25.63 -15.39 <50 <50 <0,5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 7-7 -T-5 95 3.7 -Z5-7-0-5-70.5 <br /> 06/03/04 25.62 -15.38 - - <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 1.2 150 4.4 <0.5 <0.5 <0.5 <br /> 09/30/04 26.96 16.72 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 0.7 1.7 110 3.6 <0.5 <0.5 <0.5 <br /> 12/08/04 27.10 -16.86 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 0.9 2.6 130 3.1 <0.5 <0.5 <0.5 <br /> 03/03/05 25.84 15.60 <50 <50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 0.7 1.4 100 2.9 <0.5 <0.5 <0.5 <br /> 06/07/05 24.56 -14.32 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 0.9 110 2.7 <0.5 <0.5 <0.5 <br /> 09/13/05 25.30 -15.06 - - <0.5 <O.5 <0.5 <0.5 <0.5 <0.5 -<0 ----- <br /> 25 <br /> 0.5 - <0.5 1.1 140 3.0 <0.5 <0.5 <0.5 <br /> 12/16/05 25.88 -15.64 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <.05 <0.5 1.0 160 3.2 <0.5 <0.5 <0.5 <br /> 03/22/06 23.91 13.67 - - <0.5 <0.5 -0-5 <1.0 <0.5 <0.5 <0.5 - <0.5 <0.5 67 1.3 <0.5 <0.5 <0.5 <br /> 06/20/06 21.90 -11.66 - - <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 47 0.9 <0.5 <0.5 <0.5 <br /> 08/12/08 23.02 -12.78 Not Sampled <br /> NOTES: <br /> TOC = Top of well casing by licensed surveyor 1,2-DCA = 1,2-Dichloroethane <br /> DTW = Measured Depth to groundwater(feet) cis-1.2-DCE = cis-1,2-Dichloroethene • <br /> GW ELEV = Calculated groundwater elevation(feet,MSL) EDB = Ethylene Dibromide <br /> TPHg = Total Petroleum Hydrocarbons as gasoline PCE = Tetrachloroethene <br /> TPHd = Total Petroleum Hydrocarbons as diesel TCE = Trichloroethene <br /> TRPH = Total Recoverable Petroleum Hydrocarbons 1,2-DCB = 1,2-Dichlorobenzene <br /> MTBE = Methyl-t-Butyl Ether 1,2,4-TMB = 1,2,4-Trimethylbenzene <br /> a = Concentration is approximate due to interference of gas range and heavy hydrocarbon range constituents <br /> Total Petroleum Hydrocarbons as Motor Oil by EPA 8015 <br /> TRPH and lead analysis discontinued,PHS/EHD Corresp 12/31/01;TPHg and TPHd analyzed annually <br /> GWcombineddam.xts/combined Table <br />