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Table 4 <br /> Groundwater Analytical Data-Total Petroleum Hydrocarbons and BTEX <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 TPHk TPHo Benzene Toluene benzene Xylenes <br /> ID t I Sampled (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-9(cont.) --- 2/19/04 4.5 4.6 --- 0.24 4 0.41 0.011 0.0037 0.0113 <br /> --- 6/3/04 4.5 9.4 --- 0.594 0.5 0.01 <0.0015 0.0142 <br /> --- 9/9/04 3.9 6.4 --- 0.23 4 0.54 0.01 0.0022 0.0172 <br /> --- 12/10/04 3.7 6.4 --- 0.21 4 0.5811 0.015 0.0059 0.0154 <br /> --- 2/25/05 2.5 1.9 --- 0.214 0.18 0.004 0.0015 0.0049 <br /> --- 5/26/05 4.0 4.4 --- 0.09124 0.22 0.0064 0.0034 0.0085 <br /> --- 8/24/05 3.5 4.6 --- 0.13 24 0.19 0.0052 0.0035 0.0075 <br /> --- 11/16/05 2.6 2.1 --- <0.05 0.16 0.0048 0.0023 0.0071 <br /> --- 2/14/06 3.6 2.4 --- <0.05 0.12 0.0047 0.0024 0.0084 <br /> --- 5/17/06 3.5 4.5 --- 0.078'6 0.19 0.0073 0.0076 0.0100 <br /> --- 8/16/06 4.0 2.5 --- 0.05428 0.24 0.0077 0.0037 0.0095 <br /> --- 11/16/06 3.6 2.5 --- <0.05 0.16 0.0052 0.0022 0.0076 <br /> --- 2/8/07 3.5 6.4 --- <0.05 0.16 0.0052 0.0032 0.0081 <br /> --- 5/9/07 2.9 6.0 --- 0.1921 0.15 0.0044 0.0026 0.0068 <br /> --- 7/5/07 2.7 5.8 --- 0.16 37 0.13 0.0043 0.0028 0.0073 <br /> --- 10/9/07 2.7 6.7 --- 0.23 28 0.12 0.0039 0.0022 0.0063 <br /> --- 1/24/08 2.5 2.6 --- 0.06 37 0.068 0.0038 0.0031 0.0072 <br /> --- 4/23/08 2.0 3.8 --- 0.29 0.089 0.0029 0.0024 0.0055 <br /> --- 7/24/08 2.6 3.3 --- 0.12 0.071 0.0037 0.0018 0.0068 <br /> --- 10/23/08 2.8 2.6 --- 0.067 37 0.054 0.0024 0.0025 0.0060 <br /> --- 1/22/09 2.1 3.8 --- 0.24 32 0.036 0.0018 0.0017 0.0057 <br /> --- 4/23/09 1.8 3.3 --- 0.2531 0.039 0.0019 0.0018 0.0048 <br /> --- 7/30/09 1.5 3.5 --- 0.2 32 0.025 0.001 0.00087 0.0033 <br /> --- 10/21/09 1.5 4.6 --- 0.340 0.019 0.00081 <0.0005 0.003 <br /> --- 1/22/10 1.5 2.9 --- 0.2 0.014 26 0.00066 <0.0005 0.00236 <br /> --- 4/22/10 2.0 3.6 --- 0.24 37 0.042 0.00096 0.0012 0.0028 <br /> --- 7/22/10 1.8 3.7 --- 0.24 37 0.035 0.00098 0.0012 0.0027 <br /> --- 10/21/10 1.8 4.5 --- 0.30 0.025 0.00095 0.00064 0.0026 <br /> --- 1/27/11 2.2 2.8 --- 0.08737 0.054 0.0014 0.0012 0.0034 <br /> --- 4/21/11 1.8 3.2 --- 0.18 37 0.046 0.0014 0.00057 0.0031 <br /> --- 7/21/11 1.7 3.5 --- 0.12 36 0.042 0.0013 <0.0005 0.00263 <br /> MW-10 --- 10/18/96 27 2.20 --- <0.20 0.92 0.17 2.6 12 <br /> --- 1/19/99 9.13 --- --- --- 0.309(0.276)* 0.0212(0.0192)* 0.621(0.658)* 1.23(1.19)' <br /> --- 2/27/99 --- 9.87 --- --- --- --- --- --- <br /> --- 7/19/02 134'6 304'5(17)4'5 --- 4.44'5(2.4)4'5 0.067 <0.05 0.69 2.15 <br /> --- 9/30/02 4.3 53(36) --- <0.5(0.24) 0.0081 <0.001 0.12 0.29 <br /> --- 12/5/02 8.7 12(6.1) --- <0.1 (<0.1) 0.052 0.0021 0.58 1.117 <br /> --- 3/5/03 8.3 9.10 --- 0.54 0.046 <0.0025 0.53 1.092 <br /> --- 5/8/03 7.7 11.00 1.44 0.034 <0.0015 0.43 0.669 <br /> --- 8/20/03 2.4 23.00 2.5 4 0.0018 <0.0005 0.049 0.043 <br /> --- 11/13/03 4.4 28.00 3.8 4 0.0080 <0.0005 0.260 0.20095 <br /> Stantec <br /> I:\Tidewater\TW Stockton(P2A)\Tables\QMR Tables\201 1\3Q1 1\20110916-Parcel2A(Tables 4,5,6,7)Historical GW Tables 3Q11-CL.xlsx Page 7 of 69 <br />