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Table 4 <br /> Groundwater Analytical Data-Total Petroleum Hydrocarbons,BTEX,MTBE,TBA,and As <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 TPHo Benzene Toluene benzene Xylenes MTBE TBA As <br /> ID b s) Sampled (m /I (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (m /I (mg/1) (mg/1) <br /> B Zone Wells-Areas 2A/2B And Adjacent Areas(cont.) <br /> MW-51(cont.) --- 4/19/12 0.052 0.64 <0.05 <0.0005 <0.0005 <0.0005 <0.0005 0.00061 <0.005 --- <br /> --- 7/19/12 <0.05 0.76 <0.05 <0.0005 <0.0005 <0.0005 <0.0005 0.00062 <0.005 --- <br /> 10/16/12 0.059 <0.0005 <0.000 <0.0005 <0.0005 <0.0005 <br /> MW-52 --- 5/26/05 Not Sampled due to SPH <br /> --- 8/24/05 Not Sampled due to SPH <br /> --- 11/14/05 Not Sampled due to SPH <br /> --- 2/16/06 Not Sampled due to SPH <br /> --- 5/15/06 Not Sampled due to SPH <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 Sheen <br /> --- 5/7/07 Not Sampled due to SPH <br /> --- 7/3/07 Not Sampled due to SPH <br /> --- 10/8/07 Not Sampled due to SPH <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 SPH <br /> --- 10/20/08 Not Sampled due to SPH <br /> --- 1/19/09 Not Sampled due to SPH <br /> --- 4/20/09 Not Sampled due to SPH <br /> --- 7/27/09 Not Sampled due to SPH <br /> --- 10/19/09 Not Sampled due to SPH <br /> --- 1/18/10 Not Sampled due to SPH <br /> --- 4/19/10 Not Sampled due to SPH <br /> --- 7/19/10 Not Sampled due to SPH <br /> --- 10/18/10 Not Sampled due to SPH <br /> --- 1/24/11 Not sampled due to Sheen <br /> --- 4/18/11 Not sampled due to Sheen <br /> --- 7/18/11 Not sampled due to Sheen <br /> --- 10/17/11 Not sampled due to Sheen <br /> --- 1/17/12 Not sampled due to Sheen <br /> --- 4/16/12 Not sampled due to Sheen <br /> --- 7/16/12 Not sampled due to Sheen <br /> --- 10/15112M Not sampled due to Sheen <br /> MW-53 --- 5/26/05 3.5 1.6 0.070 24 0.0038 0.0031 0.0038 0.0024 0.0025 0.019 --- <br /> --- 8/24/05 5.2 <2.0 y 0.1914 0.0018 0.0013 0.0022 0.0011 0.0022 0.034 0.021 <br /> --- 11/16/05 4.2 <3.0 s 0.12 0.002 0.0018 0.0037 0.0015 0.0025 0.026 --- <br /> --- 2/16/06 3.6 <2.0" 0.14 16 0.0025 0.0041 0.0059 0.0041 0.0020 0.026 0.0258 <br /> --- 5/15/06 Not Sampled due to Sheen <br /> --- 8/16/06 3.9 1.5 0.093" <0.0009 0.0013 0.0013 0.0034 0.0035 0.017 0.015 <br /> --- 11/16/06 4.7 <1.50 s <0.05 0.004 0.0077 0.0084 0.0085 0.0026 0.021 --- <br /> --- 2/9/07 3.7 1.6 0.072" 0.0038 0.0069 0.0083 0.0083 0.0033 0.016 0.014 <br /> --- 5/9/07 3.2 <2.0 s 0.1731 0.0062 0.0095 0.011 0.01 0.0032 0.021 --- <br /> --- 7/5/07 3.5 <1.5' 0.053" 0.0052 0.0069 0.0084 0.0081 0.0034 0.015 0.016 <br /> --- 10/9/07 3.0 <1.5 s 0.1292 0.0079 0.0095 0.012 0.011 0.0041 0.018 --- <br /> --- 1/25/08 3.2 <1.5 y <0.05 0.0023 0.0031 0.0041 0.0036 0.0038 0.015 0.017 <br /> --- 4/23/08 2.5 <1.5 s 0.07638 0.0094 0.01 0.012 0.011 0.0043 0.013 --- <br /> Stantec <br /> 20120924-Parcel2A(Tables 4,5,6,7)Historical GW Tables 4Q12.xlsx Page 39 of 61 <br />