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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 /> C Zone Wells-Areas 2A/2B And Adjacent Areas <br /> MW-54 --- 5/24/05 0.31 2.20 --- 0.480210.018 <0.0005 <0.0005 <0.0011 <br /> --- 8/24/05 0.85 2.0 --- <0.05 0.009 0.00087 <0.0005 0.0029 <br /> --- 11/16/05 1.0 1.4 --- <0.05 0.0097 0.0016 <0.0005 0.0041 <br /> --- 2/15/06 0.93 1.3 --- <0.05 0.014 0.0017 <0.0005 0.0043 <br /> --- 5/17/06 0.99 2.1 --- 0.05316 0.016 0.0015 <0.0005 0.0037 <br /> --- 8/17/06 0.59 0.82 --- <0.05 0.0036 0.00082 <0.0005 0.0012 <br /> --- 11/16/06 1.3 1.1 --- <0.05 0.0016 0.001 <0.0005 0.0048 <br /> --- 2/9/07 1.1 2.2 --- <0.05 0.00086 0.00083 <0.0005 0.0044 <br /> --- 5/9/07 0.44 1.8 --- 0.057 31 0.00084 <0.0005 <0.0005 0.0012 <br /> --- 7/5/07 0.75 2.1 --- 0.064 37 0.00091 0.00088 <0.0005 0.00317 <br /> --- 10/9/07 1.3 2.5 --- 0.075 42 0.0031 0.0013 0.0013 0.0058 <br /> --- 1/24/08 1.5 2.3 --- <0.05 0.0017 0.0015 0.00065 0.0059 <br /> --- 4/23/08 0.70 2.2 --- 0.093 37 0.00066 <0.0005 <0.0005 0.0019 <br /> --- 7/24/08 0.92 2.5 --- 0.16 37 0.0014 0.001 <0.0005 0.00412 <br /> --- 10/23/08 1.8 2.6 --- <0.05 0.0016 0.0011 <0.0005 0.00463 <br /> --- 1/22/09 1.1 1.9 --- 0.191, 0.0012 0.00066 <0.0005 0.00288 <br /> --- 4/23/09 0.61 1.9 --- 0.26 36 0.00069 0.00055 <0.0005 0.0014 <br /> --- 7/30/09 0.61 1.8 --- <0.05 <0.0005 <0.0005 <0.0005 0.0011 <br /> --- 10/21/09 0.9 2.6 --- 0.237 0.00088 0.00052 <0.0005 0.00281 <br /> --- 1/22/10 0.97 1.9 --- 0.08637 0.0009926 <0.0005 <0.0005 0.00258 <br /> --- 4/22/10 1.2 2.3 --- 0.12 37 0.0024 0.00087 <0.0005 0.00357 <br /> --- 7/22/10 1.7 2.8 --- 0.14 37 0.0036 0.0014 <0.0005 0.005 <br /> MW-61 --- 10/22/08 0.14 0.68 --- 0.1836 <0.0005 <0.0005 <0.0005 0.0006' <br /> --- 1/23/09 0.072 0.40 --- <0.05 <0.0005 <0.0005 <0.0005 <0.001 <br /> --- 4/23/09 0.055 0.37 --- <0.05 <0.0005 <0.0005 <0.0005 <0.001 <br /> --- 7/29/09 <0.05 0.26 --- <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <br /> --- 10/20/09 <0.05 0.86 41 --- 0.4531 <0.0005 11 <0.0005 <0.0005 0.00078 <br /> --- 1/20/10 <0.05 0.2941 --- 0.25 36 0.00098 0.001 <0.0005 0.0014 <br /> --- 4/20/10 <0.05 0.11 --- <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <br /> --- 7/20/10 <0.05 0.054 --- <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <br /> MW-62 --- 10/22/08 0.058 0.52 --- 0.13 36 <0.0005 <0.0005 <0.0005 0.00054' <br /> --- 1/21/09 0.064 0.49 --- <0.05 <0.0005 <0.0005 <0.0005 <0.001 <br /> --- 4/23/09 0.052 0.45 --- <0.05 <0.0005 <0.0005 <0.0005 <0.001 <br /> --- 7/29/09 <0.05 0.46 --- <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <br /> --- 10/21/09 <0.05 0.45 --- <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <br /> --- 1/20/10 <0.05 0.83 --- 0.3336 0.00084 <0.0005 0.00053 0.00288 <br /> --- 4/20/10 <0.05 0.53 --- 0.19 <0.0005 <0.0005 <0.0005 <0.0005 <br /> --- 7/20/10 <0.05 0.77 a1 --- 0.99 36 <0.0005 <0.0005 <0.0005 <0.0005 <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 49 of 66 <br />