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Table 4 <br /> Groundwater Analytical Data-Total Petroleum Hydrocarbons,BTEX,MTBE,TBA,and As <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 (m /I (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) <br /> B Zone Wells-Areas 2A/2B And Adjacent Areas(cont.) <br /> MW-53(cont.) --- 7/24/08 2.6 <2.0 0.22 0.0089 0.0089 0.010 0.010 0.0041 0.015 0.021 <br /> --- 10/21/08 2.3 <1.5' 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 38 <0.0005" <0.0005 <0.0005 0.00061 <0.0005 <0.005 --- <br /> --- 1/20/10 0.055 0.42 0.193, 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 <0.0005" <0.005 11 --- <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 0.06138 <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 <0.0005" <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 /> --- a Not sampled per MRP No.R5-2012-0805 <br /> MW-57 --- 10/22/08 0.085 0.5641 0.16 38 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 0.2510'41 0.05610'37 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 --- <br /> --- 1/20/10 <0.05 0.1647 0.07916 <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" <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 <0.0005" <0.005" <br /> --- 1/25/11 <0.05 0.13 0.0534s <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 0.21 36 <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 0.055 36 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 0.064 <br /> --- 4/18/12 <0.05 0.098 91 <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 --- <br /> --- 7/18/12 <0.05 0.062 01 <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 --- <br /> 91 0.0005 <0.0005 W<0.0005 <0.0005 --- <br /> MW-58 --- 10/22/08 1.9 <0.60 s <0.05 0.0037 0.0013 0.00061 0.0043 0.00088 <0.005 --- <br /> --- 1/22/09 1.6 <0.50 35.46 <0.05 0.0073 0.0015 0.00086 0.00418 0.001 <0.005 0.0058 <br /> --- 4/23/09 1.2 <0.50 46 <0.05 0.0066 0.0012 0.00072 0.00397 0.00062 <0.005 --- <br /> --- 7/30/09 1.6 <0.50 46 0.054 36 0.0076 0.0015 0.00086 0.0045 0.00074 <0.005 0.041 <br /> --- 10/21/09 0.4 0.4541 0.153, <br /> 0.0031 0.00078 <0.0005 0.0019 0.00076 <0.005 --- <br /> --- 1/20/10 1.4 0.48 0.078 0.008 0.0017 0.00089 0.00528 0.0008 <0.005 0.047 <br /> --- 4/20/10 <0.05 0.064 4' 0.053 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 --- <br /> --- 7/20/10 0.94 0.55 41 0.52 36 0.0049 0.0013 0.00053 0.00371 <0.0005 <0.005 0.029 <br /> --- 10/19/10 <0.05 0.10 <0.05 <0.0005 <0.0005 <0.0005 <0.0005 0.0013" <0.00511 --- <br /> --- 1/26/11 2.5 0.53 <0.05 0.0082 0.0023 0.00092 0.0073 0.0007 <0.005 0.058 <br /> StanWc <br /> 20120924-Parcel2A(Tables 4,5,6,7)Historical GW Tables 4Q12.xlsx Page 40 of 61 <br />