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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 /> A Zone Wells-Area 2A/2B and Adjacent Areas cont. <br /> MW-21 --- 4/15/03 0.17 3.5 0.14 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 0.094 0.007 <br /> --- 5/7/03 0.12 12 0.83° <0.0005 <0.0005 <0.0005 <0.001 <0.0005 0.034 <0.025 <br /> --- 8/20/03 0.22 9.1 0.56° <0.0005 <0.0005 <0.0005 <0.001 <0.0005 0.110 0.0053 <br /> --- 11/13/03 0.28 10 1.20' <0.0005 <0.0005 <0.0005 <0.001 <0.0005 0.110 <0.015 <br /> --- 2/20/04 0.42 7.6 0.3116 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 0.210 0.012 <br /> --- 6/1/04 Not sampled due to SPH <br /> --- 9/7/04 --- --- --- --- --- --- --- --- --- <0.015 <br /> --- 9/28/04 0.058 5.7 0.37° <0.0005 <0.0005 <0.0005 <0.001 <0.0005 0.0077 --- <br /> --- 12/9/04 0.17 5.8 0.5018 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 0.027 --- <br /> --- 2/22/05 Well Covered During Quarterly Monitoring Event <br /> --- 5/26/05 0.13 5.7 0.430 24 0.0032 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 --- <br /> --- 8/24/05 0.11 4.5 0.43' 0.00089 <0.0005 <0.0005 <0.001 <0.0005 0.019 0.013 <br /> --- 11/16/05 0.087 1.1 <0.05 <0.0005 <0.0005 <0.0005 <0.0015 <0.0005 0.034 --- <br /> --- 2/15/06 0.081 1.1 <0.05 0.0007 <0.0005 <0.0005 <0.001 <0.0005 <0.005 0.0268 <br /> --- 5/18/06 0.12 1.4 <0.05 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 0.0079 --- <br /> --- 8/16/06 0.10 1.2 0.062" <0.0005 0.00084 <0.0005 <0.0015 <0.0005 0.017 0.013 <br /> --- 11/16/06 2p 0.20 0.88 <0.05 <0.0005 <0.0005 <0.0005 <0.001 311 <0.0005 0.096 --- <br /> --- 2/9/07 0.096 2.1 <0.05 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 0.042 0.01 <br /> --- 5/8/07 0.11 2.8 0.1419 0.00067 <0.0005 <0.0005 <0.001 <0.0005 0.070 --- <br /> --- 7/5/07 0.21 1.9 <0.05 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 0.059 0.014 <br /> --- 10/8/07 Not sampled-well inaccessible <br /> --- 1/24/08 0.095 1.7 <0.05 <0.0005" <0.0005 <0.0005 <0.001 <0.0005" 0.024 0.0072 <br /> --- 4/23/08 0.12 2.4 0.20 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 0.062 --- <br /> --- 7/24/08 <0.05 1.6 0.062 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 0.0086 0.018 <br /> --- 10/22/08 0.078 1.4 <0.05 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 0.024 --- <br /> --- 1/21/09 <0.05 1.4 0.1319 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 <0.05 <br /> --- 4/21/09 <0.05 1.0 0.0837 <0.0005 <0.0005 <0.0005 <0.001 <0.0005" <0.005 --- <br /> --- 7/29/09 <0.05 1.6 0.087 37 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 0.022 <br /> --- 10/20/09 <0.05 1.0 0.072 37 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 --- <br /> --- 1/21/10 <0.05 0.96 0.057" <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 0.011 <br /> --- 4/21/10 <0.05 0.90 <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 --- <br /> --- 7/20/10 <0.05 0.76 <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 0.011 <br /> --- 10/20/10 <0.05 0.95 <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 0.0059 --- <br /> --- 1/27/11 <0.05 0.79 0.057 3' <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 0.0082 <br /> --- 4/20/11 <0.05 0.77 0.072 36 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 --- <br /> --- 7/21/11 <0.05 0.78 0.098 3' <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 0.011 <br /> --- 10/19/11 <0.05 0.95 0.1137 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 --- <br /> --- 1/20/12 <0.05 0.77 <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 0.0054 <br /> --- 4/19/12 <0.05 0.97 0.086" <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 --- <br /> --- 7/18/12 <0.05 0.91 0.063 3' <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 <0.0050 <br /> --- I Not sampled per MRP No.R5-2012-0805 <br /> MW-22 --- 4/15/03 0.52 22 0.37" <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 0.027 <br /> --- 5/7/03 0.50 6.2 0.31" <0.0005 <0.0005 <0.0005 <0.001 <0.0098 <0.0098 0.023 <br /> --- 8/20/03 0.24 6.7 0.24 4 <br /> <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 0.018 <br /> --- 11/14/03 0.66 13 0.45° <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 <0.015 <br /> --- 2/20/04 0.13 3.8 0.1816 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 0.025 <br /> --- 6/2/04 0.078 1.8 0.1116 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 --- <br /> --- 9/9/04 0.13 3.2 0.1216 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 0.016 <br /> --- 12/9/04 0.17 3.4 0.0961fi <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 --- <br /> StanWc <br /> 20120924-Parcel2A(Tables 4,5,6,7)Historical GW Tables 4Q12.xlsx Page 14 of 61 <br />