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Table 5 <br /> Groundwater Analytical Data-Fuel Oxygenates and VOCs <br /> South Shore Parcels-Parcel 2A and Adjacent Areas <br /> West Weber Avenue and North Lincoln Street <br /> Stockton,California <br /> sec- Iso- p-Iso- 4-Iso- 1,2,4-Tri- 1,3,5-Tri- <br /> Methylene n-Butyl- tert-Butyl- Butyl- propyl- propyl- propyl- Naph- Propyl- n-Propyl- methyl- methyl- Other <br /> Sample Date MtBE TBA DIPE EtBE TAME Methanol Ethanol chloride TCE 1,2-DCA Acetone benzene benzene benzene benzene toluene toluene thalene benzene benzene benzene benzene Chloroform VOCs` <br /> ID Sampled (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) <br /> B Zone Wells-Parcel 2A/2A and Adjacent Areas(cont.) <br /> MW-51 (cont.) 1/20/10 0.00085 <0.005 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 0.00074 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 ND <br /> 4/21/10 0.00067 <0.005 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 ND <br /> 7/21/10 0.00068 <0.005 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 ND <br /> 10/19/10 0.0006510 <0.005 <0.0005 <0.0005 <0.0005 <0.1 1&0.05 <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005■ <0.0005 ND <br /> MW-52 5/26/05 Not sampled due to SPH <br /> 8/24/05 Not sampled due to SPH <br /> 11/14/05 Not sampled due to SPH <br /> 2/14/06 Not sampled due to SPH <br /> 5/15/06 Not sampled due to SPH <br /> 8/14/06 Not sampled due to SPH <br /> 11/14/06 Not sampled due to SPH <br /> 2/5/07 Not sampled due to Sheen <br /> 5/7/07 Not sampled due to SPH <br /> 7/3/07 Not sampled due to SPH <br /> 10/8/07 Not sampled due to SPH <br /> 1/21/08 Not sampled due to Sheen <br /> 4/21/08 Not sampled due to Sheen <br /> 7/21/08 Not sampled due to SPH <br /> 10/20/08 Not sampled due to SPH <br /> 1/19/09 Not sampled due to SPH <br /> 4/20/09 Not sampled due to SPH <br /> 7/27/09 Not sampled due to SPH <br /> 10/19/09 Not sampled due to SPH <br /> 1/18/10 Not sampled due to SPH <br /> 4/19/10 Not sampled due to SPH <br /> 7/19/10 Not sampled due to SPH <br /> JIVNot sampled due to SPH <br /> MW-53 5/26/05 0.0025 0.019 <0.001 <0.001 <0.001 <0.1 <0.05 <0.01 <0.001 <0.001 --- 0.021 <0.0005 0.022 0.080 <0.0005 --- <0.0005 --- 0.240 <0.0005 <0.0005 ND 2,9 <br /> 8/24/05 0.0022 0.034 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.0005 <0.0005 <0.0005 --- 0.024 0.00074 0.026 0.075 <0.0005 --- <0.005 38 --- 0.25 <0.0005 <0.0005 ND 2,9 <br /> 11/16/05 0.0025 0.026 <0.001 <0.001 <0.001 <0.1 <0.0836 <0.005 <0.001 <0.001 --- 0.021 <0.001 0.026 0.078 <0.001 --- <0.001 --- 0.23 <0.001 <0.001 ND <br /> 2/16/06 0.0020 0.026 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.0005 <0.0005 <0.0005 --- 0.014 0.00066 0.022 0.06 <0.0005 --- <0.0005 --- 0.18 0.00059 <0.0005 ND 34,2 <br /> 5/15/06 Not sampled due to Sheen <br /> 8/16/06 0.0035 0.017 <0.0009 <0.0009 <0.0009 <0.1 <0.0536 <0.005 <0.0009 <0.0009 --- 0.012 <0.0009 0.020 0.069 <0.0009 --- <0.0009 --- 0.16 0.00094 <0.0009 ND' <br /> 11/16/06 0.0026 0.021 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- 0.013 0.00078 0.020 0.06 <0.0005 --- 0.0012 --- 0.17 0.00056 <0.0005 ND 2,5 <br /> 2/9/07 0.0033 0.016 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- 0.013 <0.0005 0.022 0.062 <0.0005 --- <0.0008 38 --- 0.18 0.00053 <0.0005 ND' <br /> 5/9/07 0.0032 0.021 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- 0.011 0.00067 0.02 0.06 <0.0005 --- <0.0008 38 --- 0.17 <0.0005 <0.0005 ND <br /> 7/5/07 0.0034 0.015 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- 0.014 0.00091 0.022 0.066 <0.0005 --- <0.0008 38 --- 0.2 <0.0005 <0.0005 ND 25 <br /> 10/9/07 0.0041 0.018 <0.0005 <0.0005 <0.0005 <br /> <0.1 <0.05 <0.005 <0.0005 <0.0005 --- 0.0092 0.00068 0.018 0.058 <0.0005 --- 0.0016 --- 0.17 0.00077 0.00054 ND 2,6,12 <br /> 1/25/08 0.0038 0.015 <0.0005 <0.0005 <0.0005 <0.1 <0.05 36 <0.005 <0.0005 <0.0005 --- 0.012 0.00077 0.023 0.082 <0.0005 --- <0.0005 --- 0.26 <0.0005 <0.0005 N D 2 <br /> 4/23/08 0.0043 0.013 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- 0.0086 0.00079 0.021 0.058 <0.0005 --- <0.0005 --- 0.17 <0.0005 0.0005 ND 2 <br /> 7/24/08 0.0041 0.015 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- 0.0071 0.00067 0.020 0.051 <0.0005 --- <0.0008 38 --- 0.16 0.00055 <0.0005 ND <br /> 10/21/08 0.0044 0.017 <0.0005 <0.0005 <0.0005 <0.1 <0,1 36 <0.005 <0.0005 <0.0005 --- 0.0046 <0.0005 0.016 0.044 <0.0005 --- <0.0008 38 --- 0.13 <0.0005 <0.0005 ND 2 <br /> 1/19/09 Well abandoned due to the Unocal Excavation 54 <br /> MW-56 10/22/08 <0.0005 <0.005 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 ND <br /> 1/23/09 <0.0005 <0.005 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 ND <br /> 4/23/09 <0.0005 <0.005 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 ND <br /> 7/29/09 <0.0005 <0.005 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 ND <br /> 10/20/09 <0.0005 <0.005 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 ND <br /> 1/20/10 <0.0005 <0.005 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 ND <br /> 4/20/10 <0.0005 <0.005 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 ND <br /> 7/20/10 <0.0005 <0.005 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 ND <br /> 10/19/10 <0.000510 <0.00510 <0.0005 <0.0005 <0.0005 <0.1 ML<0.05 <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 ND <br /> Stantec <br /> I:\Tidewater\TW Stockton(Parcel 2A-0415)\Tables\QMR Tables\2010\4Q10\20101117-Parcel2A(Tables 4,5,6,7)Historical GW Tables 4Q10.xls Page 32 of 45 <br />