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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 /> A Zone Wells-Areas 2A/213 And Adjacent Properties(cont.) <br /> MW-4(cont.) 12/10/04 0.0064 0.031 <0.004 <0.004 <0.004 <0.40 <0.20' <0.005 <0.004 <0.004 --- 0.052 <0.004 0.034 0.15 0.016 --- 0.30 --- 0.39 0.96 0.33 ND 2,3,4,6 <br /> 2/25/05 0.0074 <0.05 <0.005 <0.005 <0.005 <0.5 <0.05 <0.05 <0.005 <0.005 --- 0.064 <0.005 0.026 0.14 0.012 --- 0.43 --- 0.39 1.00 0.31 ND <br /> 5/26/05 0.0053 <0.02 <0.004 <0.004 <0.004 <0.4 <0.05 <0.005 <0.004 <0.004 --- 0.029 <0.004 0.015 0.096 0.0063 --- 0.250 --- 0.240 0.700 0.150 ND <br /> 8/24/05 0.0052 <0.025 <0.0025 <0.0025 <0.0025 <0.25 <0.05 <0.025 <0.0025 <0.0025 --- 0.028 <0.0025 0.016 0.1 0.0055 --- 0.210 --- 0.260 0.570 0.130 ND <br /> 11/14/05 Not sampled due to Sheen <br /> 2/16/06 0.0053 0.04 <0.0025 <0.0025 <0.0025 <0.25 <0.05 <0.005 <0.0025 <0.0025 --- 0.032 <0.0025 0.021 0.1 0.008 --- 0.18 --- 0.25 0.54 0.16 ND 2 <br /> 5/15/06 Not sampled due to Sheen <br /> 8/16/06 0.0083 <0.015 <0.003 <0.003 <0.003 <0.3 <0.08 36 <0.005 <0.003 <0.003 --- 0.031 <0.003 0.019 0.13 0.0046 --- 0.24 --- 0.32 0.38 0.12 ND 2 <br /> 11/14/06 Not sampled due to Sheen <br /> 2/5/07 Not sampled due to Sheen <br /> 5/7/07 Not sampled due to Sheen <br /> 7/5/07 0.0075 <0.02 <0.004 <0.004 <0.004 <0.40 <0.05 <0.005 <0.004 <0.004 --- 0.025 <0.004 0.018 0.1 0.0053 --- 0.22 --- 0.24 0.48 0.12 ND 20 <br /> 10/10/07 0.008 <0.025 <0.005 <0.005 <0.005 <0.50 <0.05 <0.005 <0.005 <0.005 --- 0.028 <0.005 0.021 0.12 0.0082 --- 0.29 --- 0.32 0.79 0.21 ND 20 <br /> 1/25/08 0.0093 <0.025 <0.005 <0.005 <0.005 <0.50 <0.05 <0.005 <0.005 <0.005 --- 0.033 <0.005 0.024 0.12 0.0055 --- 0.29 --- 0.33 0.58 0.16 ND <br /> 4/21/08 Not sampled due to Sheen <br /> 7/22/08 Not sampled due to Sheen <br /> 10/20/08 Not sampled due to Sheen <br /> 1/19/09 Well abandoned due to the Unocal Excavation 54 <br /> MW-5 10/18/96 --- --- --- --- --- --- --- <0.002 <0.0005 ND --- --- --- --- --- --- --- --- --- --- --- --- --- <br /> 1/19/99 0.121 <0.10 <0.005 <0.005 <0.005 --- <0.50 <0.005 <0.005 <0.005 <0.05 <0.005 --- <0.005 0.0114 <0.005 --- <0.005 --- 0.03 <0.005 <0.005 ND <br /> 9/2/99 --- --- --- --- --- --- --- ND ND <0.0025 --- <0.005 --- <0.0025 0.00295 ND <0.0025 <0.0025 --- <0.0025 <0.0025 <0.0025 ND <br /> 7/19/02 0.18 --- --- --- --- --- --- <0.067 <0.017 <0.017 --- 0.027 --- 0.021 0.12 <0.017 --- <0.017 --- 0.43 <0.017 <0.017 --- <br /> 9/30/02 0.13 0.013 0.0013 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- 0.018 --- 0.015 0.074 <0.005 --- <0.005 --- 0.2 <0.005 <0.005 --- <br /> (FD) 12/5/02 0.012 <0.01 0.001 <0.001 <0.001 <0.1 <0.01 <0.010 <0.001 <0.001 --- <0.050 --- 0.023 0.094 <0.001 --- <0.001 --- 0.28 <0.001 <0.001 ND <br /> 3/5/03 0.11 0.0076 0.0011 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- <0.050 <0.0005 0.028 0.12 <0.0005 --- <0.0005 --- 0.27 <0.0005 <0.0005 ND <br /> 5/5/03 --- --- --- --- --- --- --- <0.010 <0.001 <0.001 --- <0.050 <0.001 0.024 0.1 <0.001 --- <0.001 --- 0.3 <0.001 <0.001 ND <br /> 8/19/03 7 0.057 <0.005 0.00095 --- --- --- --- <0.005 <0.0005 <0.0005 --- 0.024 <0.0005 0.019 0.084 <0.0005 --- <0.0005 --- 0.36 <0.0005 <0.0005 ND <br /> 11/11/03 7 0.046 <0.005 0.0012 --- --- --- --- <0.005 <0.0005 <0.0005 --- 0.036 <0.0005 0.027 0.110 <0.0005 --- <0.0005 --- 0.32 <0.0005 <0.0005 N D 5 <br /> 02/18/04 7 0.029 <0.005 0.00084 --- --- --- --- <0.005 <0.0005 <0.0005 --- 0.026 <0.0005 0.019 0.081 <0.0005 --- <0.0005 --- 0.19 <0.0005 <0.0005 ND <br /> 6/2/04 7 0.026 <0.01 <0.001 --- --- --- --- <0.01 <0.001 <0.001 --- 0.031 <0.001 0.024 0.095 <0.001 --- <0.001 --- 0.28 <0.001 <0.001 ND <br /> Dup 6/2/04 7 0.027 <0.01 <0.001 <0.001 <0.001 <0.1 <0.01 <0.01 <0.001 <0.001 --- 0.033 <0.001 0.025 0.098 <0.001 --- <0.001 --- 0.33 <0.001 <0.001 ND <br /> 9/7/04 7 0.027 <0.005 0.00073 --- --- --- --- <0.005 <0.0005 <0.0005 --- 0.030 <0.0005 0.023 0.088 <0.0005 --- <0.0005 --- 0.28 <0.0005 <0.0005 ND <br /> 12/6/0419 0.025 <0.007 <0.0015 <0.0015 <0.0015 <0.15 <0.015 <0.005 <0.0015 <0.0015 --- 0.026 <0.0015 0.021 0.100 <0.0015 --- <0.0015 --- 0.28 <0.0015 <0.0015 ND <br /> 2/2/0519 0.019 <0.01 <0.001 <0.001 <0.001 <0.20 <0.10 <0.010 <0.001 <0.001 --- 0.023 <0.001 0.018 0.078 <0.001 --- <0.001 --- 0.21 <0.001 <0.001 ND <br /> 5/25/05 Not sampled due to broken monument <br /> 8/24/05 0.015 <0.005 <0.005 <0.005 <0.005 <0.5 <0.005 <0.005 <0.005 <0.005 --- 0.014 <0.0005 0.013 0.054 <0.0005 --- <0.0005 --- 0.15 <0.0005 <0.0005 ND <br /> 11/17/05 0.014 <0.005 <0.0005 <0.0005 <0.0005 <0.05 <0.005 <0.005 <0.0005 <0.0005 --- 0.011 <0.0005 0.012 0.051 <0.0005 --- <0.0005 --- 0.13 <0.0005 <0.0005 ND <br /> 2/14/06 0.013 <0.005 <0.0005 <0.0005 <0.0005 <0.05 <0.005 <0.005 <0.0005 <0.0005 --- 0.0023 <0.0005 0.0044 0.015 <0.0005 --- <0.0005 --- 0.023 <0.0005 <0.0005 ND <br /> 5/15/06 0.012 <0.005 <0.0005 <0.0005 <0.0005 <0.05 <0.005 <0.005 <0.0005 <0.0005 --- 0.00051 <0.0005 0.0014 0.004 <0.0005 --- <0.0005 --- 0.0047 <0.0005 <0.0005 ND <br /> 8/14/06 0.012 <0.005 <0.0005 <0.0005 <0.0005 <0.05 <0.005 <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 0.0006 0.0011 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 ND <br /> 11/14/06 0.0094 <0.005 <0.0005 <0.0005 <0.0005 <0.05 <0.005 <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- 0.00059 <0.0005 <0.0005 ND <br /> 2/5/07 0.0094 <0.005 <0.0005 <0.0005 <0.0005 <0.05 <0.005 <0.005 <0.0005 <0.0005 --- 0.00062 <0.0005 0.0022 0.0088 <0.0005 --- 0.00054 --- 0.009 <0.0005 <0.0005 ND <br /> 5/7/07 0.011 <0.005 <0.0005 <0.0005 <0.0005 <0.05 <0.005 <0.005 <0.0005 <0.0005 --- 0.0018 <0.0005 0.0028 0.013 <0.0005 --- 0.0018 --- 0.029 <0.0005 <0.0005 ND <br /> 7/2/07 0.0088 <0.005 <0.0005 <0.0005 <0.0005 <0.05 <0.005 <0.005 <0.0005 <0.0005 --- 0.0012 <0.0005 0.0017 0.0078 <0.0005 --- 0.00051 --- 0.019 <0.0005 <0.0005 ND <br /> 10/8/07 0.0086 <0.005 <0.0005 <0.0005 <0.0005 <0.05 <0.005 <0.005 <0.0005 <0.0005 --- 0.0026 <0.0005 0.0033 0.014 <0.0005 --- <0.0005 --- 0.039 <0.0005 <0.0005 ND <br /> 1/21/08 0.0079 <0.005 <0.0005 <0.0005 <0.0005 <0.05 <0.005 <0.005 <0.0005 <0.0005 --- 0.0035 <0.0005 0.0038 0.016 <0.0005 --- <0.0005 --- 0.046 <0.0005 <0.0005 ND <br /> 4/21/08 0.0059 <0.005 <0.0005 <0.0005 <0.0005 <0.05 <0.005 <0.005 <0.0005 <0.0005 --- 0.0020 <0.0005 0.0024 0.011 <0.0005 --- <0.0005 --- 0.029 <0.0005 <0.0005 ND <br /> 7/23/08 Well not sampled 52 <br /> 10/20/08 Well not sampled 52 <br /> 1/19/09 Well abandoned due to the Unocal Excavation 54 <br /> MW-6 10/18/96 --- --- --- --- --- --- --- 0.003 ND ND --- --- --- --- --- --- --- --- --- --- --- --- ND <br /> 1/19/99 <0.4 <8.0 <0.4 8.94 <0.4 --- <40 <0.4 <0.4 <0.4 <4.0 <0.4 --- <0.4 <0.4 <0.4 --- <0.4 --- <0.4 <0.4 <0.4 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 2 of 45 <br />