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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 bgs) 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.) --- 2/27/99 --- 0.06 --- --- --- --- --- --- <br /> --- 9/2/99 <0.05 <0.05 --- --- <0.0005 0.00093 <0.0005 <0.0005 <br /> --- 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 /> --- 8/18/03'2 <0.05 .060(<0.05) --- <0.05(<0.05) <0.0005 <0.0005 <0.0005 <0.001 <br /> --- 11/11/03'2 <0.05 0.061 (<0.05) --- <0.05(<0.05) <0.0005 <0.0005 <0.0005 <0.001 <br /> --- 02/18/04'2 <0.05 0.17(<0.05) --- 0.054 (<0.05) <0.0005 <0.0005 <0.0005 <0.001 <br /> --- 6/2/04'2 <0.05 0.19(<0.05) --- 0.066'6(<0.0516) <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 /> --- 12/6/04 23 <0.05 <0.05 --- <0.10 <0.0005 <0.0005 <0.0005 <0.001 <br /> --- 2/2/0521 <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 --- 0.12 24 <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 --- 0.066 36 <0.0005 <0.0005 <0.0005 <0.0015 <br /> --- 1/21/08 <0.05 0.07341 --- 0.1136 <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 51 <br /> MW-9 --- 10/18/96 4.6 2.30 --- <0.20 1.1 0.016 0.16 0.11 <br /> (FD) --- 10/18/96^ 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 /> Stantec <br /> I:\Tidewater\TW Stockton(Parcel 2A-0415)\Tables\QMR Tables\2010\3Q10\Parcel2A(Tables 4,5,6,7)Historical GW Tables 3Q10.xls Page 6 of 66 <br />