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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-10(cont.) --- 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 --- 0.5° 0.046 <0.0025 0.53 1.092 <br /> --- 5/8/03 7.7 11.00 1.4° 0.034 <0.0015 0.43 0.669 <br /> --- 8/20/03 2.4 23.00 2.5° 0.0018 <0.0005 0.049 0.043 <br /> --- 11/13/03 4.4 28.00 3.8° 0.0080 <0.0005 0.260 0.20095 <br /> --- 6/1/04 Not sampled due to SPH <br /> --- 9/7/04 Not sampled due to SPH(Sheen) <br /> --- 12/10/04 Not sampled due to SPH <br /> --- 2/25/05 4.3 39.00 5.7° 0.005 0.001 0.25 0.292 <br /> --- 5/25/05 Not sampled due to SPH <br /> --- 8/24/05 Not sampled due to SPH <br /> --- 11/14/05 Not sampled due to Sheen <br /> --- 2/14/06 Not sampled due to Sheen <br /> --- 5/15/06 Not sampled due to Sheen <br /> --- 8/14/06 Not sampled due to SPH <br /> --- 11/14/06 Not sampled due to SPH <br /> --- 2/5/07 Not sampled due to SPH <br /> --- 5/7/07 Not sampled due to Sheen <br /> --- 7/3/07 Not sampled due to Sheen <br /> --- 10/8/07 Not sampled due to Sheen <br /> --- 1/21/08 Not sampled due to Sheen <br /> --- 4/21/08 Not sampled due to Sheen <br /> --- 7/21/08 Not sampled due to Sheen <br /> --- 10/20/08 Not sampled due to Sheen <br /> --- 1/19/09 Well abandoned due to Unocal Excavation 51 <br /> MW-11 --- 10/18/96 0.19 1.30 --- <0.20 <0.0005 <0.0005 <0.0005 <0.002 <br /> --- 1/19/99 0.3 --- --- --- <0.0005(ND)' 0.0169(0.0153)' 0.0224(0.0224)' 0.0729(0.07299)` <br /> --- 2/27/99 --- 0.66 --- --- --- --- --- --- <br /> --- 7/19/02 0.164'6 3.44,6(0.17)4,5 --- 0.594,5(<0.3) <0.005 <0.005 <0.005 <0.005 <br /> --- 9/30/02 0.18 0.45(0.2) --- <0.1 (<0.1) <0.0005 <0.0005 <0.0005 <0.001 <br /> --- 12/5/02 1.1 0.78(0.36) --- <0.05(<0.05) <0.0005 0.031 0.1 0.287 <br /> --- 3/5/03 0.18 0.67(0.30) --- <0.05(<0.05) <0.0005 <0.0005 <0.0005 <0.001 <br /> --- 5/5/03 0.23 2.6(0.15) --- 0.13 4(<0.05) <0.0005 <0.0005 <0.0005 <0.001 <br /> --- 8/19/03 12 0.16 2.20(0.66) --- 0.084 B4(<0.05) <0.0005 <0.0005 0.0036 0.0094 <br /> --- 11/11/03'2''5 0.094 1.24(0.064) --- 0.0554(<0.054) <0.0005 <0.0005 <0.0005 <0.001 <br /> --- 02/17/04'2 0.16 2.5(0.32) --- 0.098(<0.05) <0.0005 <0.0005 <0.0005 <0.001 <br /> --- 6/2/04'2 0.091 2.8(0.50) --- 0.18'6(<0.05'6) <0.0005 <0.0005 <0.0005 <0.001 <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 8 of 66 <br />