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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) (mg/1) (mg/1) (mg/1) <br /> C Zone Wells-Areas 2A/2B And Adjacent Areas cont. <br /> MW-64(cont.) --- 4/19/12 1.8 <1.5 48 <0.05 0.00084 <0.0005 0.00076 0.00181 0.012 0.015 --- <br /> --- 7/19/12 2.1 <1.5 4" <0.05 0.00085 0.00053 0.00087 0.0018 0.013 0.021 --- <br /> 10/17/12 <2.0 46 n nnnAR <0.0005 n nnili <br /> MW-65 --- 10/23/08 1.746 2.4 <0.05 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 --- <br /> --- 1/22/09 0.68 2.2 0.068" <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 0.021 <br /> --- 4/23/09 0.28 2.0 <0.05 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 --- <br /> --- 7/30/09 0.17 1.5 <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 0.021 <br /> --- 10/22/09 0.23 2.4 <0.05 <0.0005 <0.0005 <0.0005 0.00053 <0.0005 <0.005 --- <br /> --- 1/22/10 0.29 1.6 <0.05 <0.0005 2b <0.0005 <0.0005 <0.0005 <0.0005 <0.005 0.026 <br /> --- 4/22/10 0.32 2.3 0.07317 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 --- <br /> --- 7/22/10 0.16 1.7 0.081 3' <0.0005 <0.0005 <0.0005 <0.0005 <0.0005" <0.005 0.024 <br /> --- 10/21/10 0.14 1.5 <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 --- <br /> --- 1/27/11 0.39 1.9 <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 0.027 <br /> --- 4/21/11 0.17 1.2 <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 --- <br /> --- 7/21/11 0.12 1.5 0.066" <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 0.021 <br /> --- 10/19/11 0.25 1.7 0.092" <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 --- <br /> --- 1/20/12 0.35 1.6 <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 0.023 <br /> --- 4/19/12 0.16 1.4 <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 --- <br /> --- 7/19/12 0.29 1.7 0.068 36 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 --- <br /> --- a 0.35 1.6 <0.0005 <0.0005 --- <br /> MW-66 --- 10/23/08 3.8 <0.80 Y 0.064 38 0.041 0.015 0.0036 0.0376 <0.0005 <0.005 --- <br /> --- 1/21/09 2.9 <0.803S4tl 0.2131 0.029 0.0095 0.002 0.0271 <0.0005 <0.005 0.021 <br /> --- 4/23/09 1.8 <0.80 4" 0.14 36 0.017 0.0048 0.00062 0.0158 <0.0005 <0.005 --- <br /> --- 7/30/09 1.1 <0.40 4" <0.05 0.0082 0.0022 <0.0005 0.0096 <0.0005 <0.005 0.022 <br /> --- 10/20/09 1.6 <14" 0.136 0.017 0.0044 0.0007 0.0146 <0.0005 <0.005 --- <br /> --- 1/21/10 2.2 <0.64" <0.05 0.018 0.005 0.0014 0.0134 <0.0005 <0.005 0.018 <br /> --- 4/20/10 1.1 <0.4 46 0.064 36 0.011 0.003 0.00079 0.00766 <0.0005 <0.005 --- <br /> --- 7/20/10 0.59 <0.4 4" 0.070" 0.0052 0.0013 <0.0005 0.003 <0.0005 <0.005 0.018 <br /> --- 10/20/10 0.74 <0.3 46 <0.05 0.0054 0.0009 <0.0005 0.0024 <0.0005 <0.005 --- <br /> --- 1/26/11 1.0 <0.34" <0.05 0.0069 0.0016 <0.0005 0.0038 <0.0005 <0.005 0.016 <br /> --- 4/20/11 0.52 <0.2 4" <0.05 0.0029 <0.0005 <0.0005 0.0012 <0.0005 <0.005 --- <br /> --- 7/20/11 0.48 <0.10 41 <0.05 0.0022 0.00069 <0.0005 0.00150 <0.0005 <0.005 0.021 <br /> --- 10/20/11 0.70 <0.30 4" 0.076 36 0.0041 0.0014 <0.0005 0.0032 <0.0005 <0.005 --- <br /> --- 1/19/12 0.89 <0.3041 <0.05 0.0047 0.0020 <0.0005 0.0045 <0.0005 <0.00511 0.018 <br /> --- 4/19/12 1.1 0.2851 0.073 36 0.0053 0.0022 <0.0005 0.0049 <0.0005 <0.005 --- <br /> --- 7/18/12 1.5 <0.5 4" 0.071 36 0.0088 0.0033 0.00073 0.0084 <0.0005 <0.005 --- <br /> JW 10/17/12 0.013 0.0043 --- <br /> MW-67 --- 10/23/08 <0.05 0.2947 0.23 36 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 --- <br /> --- 1/22/09 <0.05 <0.05 <0.05 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 0.02 <br /> --- 4/22/09 <0.05 0.08247 0.091 36 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 --- <br /> --- 7/29/09 <0.05 0.069 <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 0.016 <br /> --- 10/20/09 <0.05 0.48'0 <br /> '91 0.25'"'36 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 --- <br /> --- 1/21/10 <0.05 0.095' 0.11 <0.0005 <0.0005 <0.0005 0.00052 <0.0005 <0.005 0.018 <br /> --- 4/20/10 <0.05 0.1847 0.25 36 <0.0005 <0.0005 <0.0005 0.0008 <0.0005 <0.005 --- <br /> --- 7/20/10 <0.05 0.18 4' 0.14 36 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 0.019 <br /> --- 10/20/10 <0.05 <0.05 <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 --- <br /> --- 1/25/11 <0.05 0.07941 0.051, <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 0.013 <br /> StanWc <br /> 20120924-Parcel2A(Tables 4,5,6,7)Historical GW Tables 4Q12.xlsx Page 44 of 61 <br />