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Table 5 Historical Groundwater Analytical Data South Shore Parcels-Parcel 2A and Adjacent Areas West Weber Avenue and North Lincoln Street Stockton,California Depth Ethyl- Sample (feet, Date TPHg TPHd TPHo Benzene Toluene benzene Xylenes MTBE TBA As ID b s) Sampled (mg/L (mg/L (mg/L (mg/L (mg/L (mg/L (mg/L (mg/L (mg/L m /L B Zone Wells-Areas 2A/2B And Adjacent Areas(cont.) MW-42 --- 2/14/13 0.41 0.19 <0.05 <0.0005 <0.0005 <0.0005 <0.0005 0.00062 <0.005 --- --- 4/17/13 0.5 0.11 <0.05 <0.0005 <0.0005 <0.0005 <0.0005 0.0007 <0.005 --- --- 0.36 0.074 43 <0.0005 <0.0005 <0.0005 0.00061 MW-43 --- 5/25/05 Not Sampled due to SPH --- 8/24/05 Not Sampled due to SPH --- 11/14/05 Not Sampled due to SPH --- 2/16/06 Not Sampled due to SPH --- 5/15/06 Not Sampled due to SPH --- 8/14/06 Not Sampled due to SPH --- 11/14/06 Not Sampled due to SPH --- 2/5/07 Not Sampled due to SPH --- 5/7/07 Not Sampled due to Sheen --- 7/3/07 Not Sampled due to SPH --- 10/8/07 Not Sampled-no access agreement --- 1/21/08 Not Sampled due to SPH --- 4/21/08 Not Sampled due to SPH --- 7/21/08 Not Sampled due to SPH --- 10/20/08 Not Sampled due to SPH --- 1/19/09 Not Sampled due to SPH --- 4/20/09 Not Sampled due to SPH --- 7/27/09 Not Sampled due to SPH --- 10/19/09 Not Sampled due to SPH --- 1/18/10 Not Sampled due to SPH --- 4/19/10 Not Sampled due to SPH --- 7/19/10 Not Sampled due to SPH --- 10/18/10 Not Sampled due to SPH --- 1/24/11 Not Sampled due to SPH --- 4/18/11 Not Sampled due to SPH --- 7/18/11 Not Sampled due to SPH --- 10/17/11 Not Sampled due to SPH --- 1/17/12 Not Sampled due to SPH --- 4/16/12 Not Sampled due to SPH --- 7/16/12 Not Sampled due to SPH --- 10/15/12 Not Sampled due to SPH --- 2/12/13 Not Sampled due to SPH --- 4/15/13 Not Sampled due to SPH --- 7/15/13 of Sampled due to SPH MW-44 --- 6/3/04 <0.05 0.21 0.11 4 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 0.0098 --- 9/8/04 <0.05 0.06 <0.05 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 0.0081 --- 12/8/04 <0.05 0.13 <0.05 <0.0005" <0.0005 <0.0005 <0.001 <0.0005 <0.005 --- --- 2/24/05 <0.05 <0.05 0.1001 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 0.0091 --- 5/25/05 <0.05 <0.05 <0.10 <0.0005 <0.0005 <0.0005 <0.005 <0.0005 <0.005 --- --- 8/24/05 <0.05 <0.05 <0.05 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 0.0072 --- 11/15/05 <0.05 0.071 <0.05 <0.0005 <0.0005 <0.0005 <0.0015 <0.0005 <0.005 --- --- 2/15/06 <0.05 <0.05 <0.05 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 0.0176 --- 5/17/06 <0.05 0.11 <0.05 0.0017 0.0021 <0.0005 <0.001 <0.0005 <0.005 --- --- 8/15/06 <0.05 <0.05 <0.05 <0.0005 <0.0005 <0.0005 <0.001 0.00059 <0.005 0.011 --- 11/15/06 <0.05 <0.05 <0.05 <0.0005 <0.0005 <0.0005 <0.0015 0.00055 <0.005 --- --- 2/6/07 <0.05 <0.05 <0.05 <0.0005 <0.0005 <0.0005 <0.001 0.00071 <0.005 0.012 --- 5/9/07 <0.05 <0.05 <0.05 <0.0005 <0.0005 <0.0005 <0.001 0.00065 <0.005 --- --- 7/3/07 <0.05 <0.05 <0.05 <0.0005 <0.0005 <0.0005 <0.001 0.00072 <0.005 0.012 --- 10/9/07 <0.05 <0.05 <0.05 <0.0005 <0.0005 <0.0005 <0.001 0.00067 <0.005 --- 1/23/08 1 <0.05 0.079" <0.05 <0.0005" <0.0005 <0.0005 <0.001 0.00072" <0.005 0.011 Page 33 of 60