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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-8(cont.) --- 5/20/02 <0.05 0.07(<0.05) --- <0.3(<0.3) <0.005 <0.005 <0.005 <0.005 <br /> --- 9/30/02 <0.05 0.072(<0.05) --- <0.1(<0.1) <0.0005 <0.0005 <0.0005 <0.001 <br /> --- 12/5/02 <0.05 <0.05(<0.05) --- <0.05(0.055) <0.0005 <0.0005 <0.0005 <0.001 <br /> --- 3/5/03 <0.05 0.064(<0.05) --- <0.05(<0.05) <0.0005 <0.0005 <0.0005 <0.001 <br /> --- 5/5/03 0.54 0.17(<0.05) --- 0.068 4(<0.05) <0.0005 0.0057 0.054 0.14 <br /> --- 8/18/03 12 <0.05 .060(<0.05) --- <0.05(<0.05) <0.0005 <0.0005 <0.0005 <0.001 <br /> --- 11/11/032 <0.05 0.061(<0.05) --- <0.05(<0.05) <0.0005 <0.0005 <0.0005 <0.001 <br /> --- 02/18/04 12 <0.05 0.17(<0.05) --- 0.054 (<0.05) <0.0005 <0.0005 <0.0005 <0.001 <br /> --- 6/2/0412 <0.05 0.19(<0.05) --- 0.066 76(<0.05 16) <0.0005 0.00068 0.0028 0.0071 <br /> --- 9/7/04'2 <0.05 <0.05(<0.05) --- <0.1(<0.1) <0.0005 <0.0005 <0.0005 <0.001 <br /> --- 12/6/0421 <0.05 <0.05 --- <0.10 <0.0005 <0.0005 <0.0005 <0.001 <br /> --- 2/2/05 23 <0.05 <0.05 --- <0.05 <0.0005 <0.0005 <0.0005 <0.001 <br /> --- 5/25/05 <0.05 <0.05 --- <0.05 <0.0005 <0.0005 <0.0005 <0.001 <br /> --- 8/24/2005 <0.05 <0.05 --- <0.05 <0.0005 <0.0005 <0.0005 <0.0015 <br /> --- 11/17/2005 <0.05 0.07 --- <0.05 <0.0005 <0.0005 <0.0005 <0.0015 <br /> --- 2/14/06 <0.05 <0.05 --- <0.05 <0.0005 <0.0005 <0.0005 <0.0015 <br /> --- 5/15/06 <0.05 <0.05 --- <0.05 <0.0005 <0.0005 <0.0005 <0.0015 <br /> --- 8/14/06 <0.05 0.10 --- <0.05 <0.0005 <0.0005 <0.0005 <0.0015 <br /> --- 11/14/06 <0.05 <0.05 --- <0.05 <0.0005 <0.0005 <0.0005 <0.0015 <br /> --- 2/5/07 <0.05 0.06 --- 0.068 <0.0005 <0.0005 <0.0005 <0.0015 <br /> --- 5/7/07 <0.05 0.08 --- 0.1214 <0.0005 <0.0005 <0.0005 <0.0015 <br /> --- 7/2/07 <0.05 <0.05 --- <0.05 <0.0005 <0.0005 <0.0005 <0.0015 <br /> --- 10/8/07 <0.05 0.066 41 --- 0.06616 <0.0005 <0.0005 <0.0005 <0.0015 <br /> --- 1/21/08 <0.05 0.073 41 --- 0.1111 <0.0005 <0.0005 <0.0005 <0.0015 <br /> --- 4/21/08 <0.05 0.065 41 --- <0.05 <0.0005 <0.0005 <0.0005 <0.0015 <br /> --- 7/21/08 Well not sampled 45 <br /> --- 10/20/08 Well not sampled 45 <br /> --- 1/19/09 Well abandoned due to Unocal Excavation s1 <br /> MW-9 --- 10/18/96 4.6 2.30 --- <0.20 1.1 0.016 0.16 0.11 <br /> (FD) --- 10/18/96A 4.1 2.50 --- <0.20 0.94 0.013 0.15 0.13 <br /> --- 1/19/99 5.77 --- --- --- 1.42(1.33)* 0.0266(ND)* 0.0254(ND)* 0.0264(ND)* <br /> --- 2/27/99 --- 6.41 --- --- --- --- --- --- <br /> --- 9/2/99 5.53 6.29 --- --- 3.16 0.06 0.0776 0.0976 <br /> --- 5/20/02 4.44 14(1.8) --- 1.74'5(<0.3) 0.92 <0.036 <0.036 <0.036 <br /> --- 9/30/02 3.9 7.6(3.4) --- <0.1(<0.1) 0.74 0.034 0.0095 0.032 <br /> --- 12/5/02 3.7 5.9(1.6) --- <0.1(<0.1) 0.56 0.0089 0.0068 0.0069 <br /> --- 3/5/03 3.4 4.4 --- 0.144 0.57 0.0083 0.0051 0.0012 <br /> --- 5/7/03 5 9.1 --- 0.44 0.94 0.011 0.0043 0.0102 <br /> --- 8/20/03 4.4 6.8 --- 0.38 4 0.23 0.011 0.0031 0.0152 <br /> --- 11/13/03 4.0 9.1 --- 0.80 4 0.44 0.017 0.0034 0.0151 <br /> Stantm <br /> I:\Tidewater\TW Stockton(P2A)\Tables\QMR Tables\2011\3Q11\20110916-Parcel2A(Tables 4,5,6,7)Historical GW Tables 3Q11-CL.xlsx Page 6 of 69 <br />