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Table 5 <br /> Historical Groundwater Analytical Data <br /> South Shore Parcels-Parcel 2A and Adjacent Areas <br /> West Weber Avenue and North Lincoln Street <br /> Stockton,California <br /> Depth Ethyl- <br /> Sample (feet, Date TPHg TPHd TPHo Benzene Toluene benzene Xylenes MTBE TBA As <br /> ID b s) Sampled (mg/L (mg/L (mg/L (mg/L (mg/L (mg/L (mg/L (mg/L (mg/L m /L <br /> B Zone Wells-Areas 2A/2B And Adjacent Areas(cont.) <br /> MW-53(cont.) --- 2/16/06 3.6 <2.0 9 0.14 6 0.0025 0.0041 0.0059 0.0041 0.0020 0.026 0.0258 <br /> --- 5/15/06 Not Sampled due to Sheen <br /> --- 8/16/06 3.9 1.5 0.09326 <0.0009 0.0013 0.0013 0.0034 0.0035 0.017 0.015 <br /> --- 11/16/06 4.7 <1.50 s <0.05 0.004 0.0077 0.0084 0.0085 0.0026 0.021 --- <br /> --- 2/9/07 3.7 1.6 0.072 31 0.0038 0.0069 0.0083 0.0083 0.0033 0.016 0.014 <br /> --- 5/9/07 3.2 <2.0 s 0.17 31 0.0062 0.0095 0.011 0.01 0.0032 0.021 --- <br /> --- 7/5/07 3.5 <1.51 0.053 37 0.0052 0.0069 0.0084 0.0081 0.0034 0.015 0.016 <br /> --- 10/9/07 3.0 <1.51 0.1242 0.0079 0.0095 0.012 0.011 0.0041 0.018 --- <br /> --- 1/25/08 3.2 <1.5 9 <0.05 0.0023 0.0031 0.0041 0.0036 0.0038 0.015 0.017 <br /> --- 4/23/08 2.5 <1.5 9 0.076 36 0.0094 0.01 0.012 0.011 0.0043 0.013 --- <br /> --- 7/24/08 2.6 <2.0 s 0.22 36 0.0089 0.0089 0.010 0.010 0.0041 0.015 0.021 <br /> --- 10/21/08 2.3 <1.5 s 0.39 36 0.0034 0.0032 0.004 0.004 0.0044 0.017 --- <br /> --- 1/19/09 Well abandoned due to Unocal Excavation 51 <br /> MW-56 --- 10/22/08 0.094 0.32 <0.05 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 --- <br /> --- 1/23/09 0.057 0.25 <0.05 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 <0.005 <br /> --- 4/23/09 0.057 0.26 <0.05 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 --- <br /> --- 7/29/09 <0.05 0.24 <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 0.0057 <br /> --- 10/20/09 <0.05 0.5841 0.12 36 <0.0005 11 <0.0005 <0.0005 0.00061 <0.0005 <0.005 --- <br /> --- 1/20/10 0.055 0.42 0.1936 0.00058 0.00058 <0.0005 0.00068 <0.0005 <0.005 <0.0050 <br /> --- 4/20/10 0.058 0.46 0.05917 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 --- <br /> --- 7/20/10 <0.05 0.37 <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 <0.0050 <br /> --- 10/19/10 0.05 0.29 <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <0.000511 <0.00511 --- <br /> --- 1/25/11 <0.05 0.18 <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 <0.0050 <br /> --- 4/19/11 <0.05 0.53 0.06136 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 --- <br /> --- 7/19/11 <0.05 0.15 0.069 36 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 0.0062 <br /> --- 10/18/11 0.061 0.36 <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 --- <br /> --- 1/19/12 <0.05 0.31 <0.05 <0.000511 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 <0.0050 <br /> --- 4/17/12 <0.05 0.26 <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 --- <br /> --- 7/17/12 <0.05 0.38 <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 --- <br /> --- 10/15/12 Not sampled per MRP No.R5-2012-0805 <br /> --- 2/13/13 <0.05 0.19 <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 --- <br /> --- 4/15/13 Not sampled per MRP No.R5-2012-0805 <br /> 0.061 56 <0.000 <br /> MMMMF- <br /> MW-57 --- 10/22/08 0.085 0.56 41 0.16 36 0.0013 <0.0005 <0.0005 0.0012 <0.0005 <0.005 --- <br /> --- 1/21/09 <0.05 0.086 <0.05 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 0.093 <br /> --- 4/22/09 <0.05 0.079 <0.05 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 --- <br /> --- 7/29/09 <0.05 0.051 <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 0.081 <br /> --- 10/21/09 <0.05 0.25 10,41 0.056 10,37 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 --- <br /> --- 1/20/10 <0.05 0.16 47 0.07931 <0.0005 <0.0005 <0.0005 0.00051 <0.0005 <0.005 0.072 <br /> --- 4/20/10 <0.05 0.053 <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 --- <br /> --- 7/20/10 <0.05 0.18 0.063 37 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 0.067 <br /> --- 10/19/10 <0.05 0.15 <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <0.000511 <0.00511 --- <br /> --- 1/25111 <0.05 0.13 0.053 42 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 0.067 <br /> --- 4/20/11 <0.05 <0.05 <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 --- <br /> --- 7/19/11 <0.05 0.27 41 0.2131 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 0.026 <br /> --- 10/18/11 <0.05 0.073 <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 --- <br /> --- 1/18/12 <0.05 0.18 41 0.05531 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 0.064 <br /> --- 4/18/12 <0.05 0.09841 <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 --- <br /> --- 7/18/12 <0.05 0.062 41 <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 --- <br /> --- 10/16/12 <0.05 0.47 41 0.3231 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 --- <br /> --- 2/13/13 <0.05 0.084 <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 --- <br /> --- 4/16/13 <0.05 0.3441 0.2537 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 --- <br /> 7/1 0.052'° <0.0005 --- <br /> Page 39 of 60 <br />