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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 /> A Zone Wells-Area 2A/2B and Adjacent Areas(cont.) <br /> MW-38(cont.) --- 7/19/10 Well not sampled" <br /> --- 10/18/10 Well not sampled 45 <br /> --- 1/24/11 Well not sampled 45 <br /> --- 4/18/11 Well not sampled 45 <br /> --- 7/19/11 Well not sampled 45 <br /> --- 10/17/11 Well not sampled 45 <br /> --- 1/17/12 Well not sampled 45 <br /> --- 4/16/12 Well not sampled 45 <br /> --- 7/16/12 Well not sampled 45 <br /> --- Well not sampled <br /> MW-39 --- 5/5/03 0.42 0.36(0.094) <0.05(<0.05) <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 0.11 <br /> --- 8/18/03'2 0.1 0.23(0.085) <0.05(<0.05) <0.0005 <0.0005 <0.0005 <0.001 0.028 <0.005 0.1 <br /> --- 11/11/03'2 0.23 0.27(0.120) <0.05(<0.05) <0.0005 <0.0005 <0.0005 <0.001 0.028 <0.005 0.1 <br /> --- 02/18/04'2 0.24 0.30(0.14) <0.05(<0.05) <0.0005 <0.0005 <0.0005 <0.001 0.031 <0.005 0.1 <br /> --- 6/2/04 12 0.14 0.43(0.18) 0.07816(<0.0516) <0.0005 <0.0005 <0.0005 <0.001 0.028 <0.005 --- <br /> --- 9/7/04 12 0.17 0.20(0.12) <0.10(<O.10) <0.0005 <0.0005 <0.0005 <0.001 0.030 <0.005 0.099 <br /> --- 12/6/04 23 0.23 0.23 <0.10 <0.0005 <0.0005 <0.0005 <0.001 0.028 <0.005 --- <br /> --- 2/2/05 23 0.15 0.12 <0.05 <0.0005 <0.0005 <0.0005 <0.001 0.031 <0.005 0.11 <br /> --- 5/25/05 0.180 0.160 <0.05 <0.0005 <0.0005 <0.0005 <0.001 0.034 <0.005 --- <br /> --- 8/24/05 0.11 0.14 <0.05 <0.0005 <0.0005 <0.0005 <0.0015 0.027 <0.005 0.1 <br /> --- 11/17/05 25 0.098 0.14 <0.05 <0.0005 <0.0005 <0.0005 <0.0015 0.023 <0.005 --- <br /> --- 2/14/06 0.065 0.11 <0.05 <0.0005 <0.0005 <0.0005 <0.0015 0.016 <0.005 0.093 <br /> --- 5/15/06 <0.05 0.10 <0.05 <0.0005 <0.0005 <0.0005 <0.0015 0.013 <0.005 --- <br /> --- 8/14/06 <0.05 0.11 <0.05 <0.0005 <0.0005 <0.0005 <0.0015 0.011 <0.005 0.11 <br /> --- 11/14/06 <0.05 0.12 <0.05 <0.0005 <0.0005 <0.0005 <0.0015 0.0074 <0.005 --- <br /> --- 2/5/07 0.084 0.13 <0.05 <0.0005 <0.0005 <0.0005 <0.0015 0.0061 <0.005 0.118 <br /> --- 5/7/07 0.08 0.099 35 <0.05 <0.0005 <0.0005 <0.0005 <0.0015 0.0052 <0.005 --- <br /> --- 7/2/07 0.055 0.098 <0.05 <0.0005 <0.0005 <0.0005 <0.0015 0.0042 <0.005 0.091 <br /> --- 10/8/07 0.12 0.20 0.19 36 <0.0005 <0.0005 <0.0005 <0.0015 0.0039 <0.005 --- <br /> --- 1/21/08 0.088 0.14 0.2436 <0.0005 <0.0005 <0.0005 <0.0015 0.0022 <0.005 0.131 <br /> --- 4/21/08 0.089 0.14 <0.05 <0.0005 <0.0005 <0.0005 <0.0015 0.0020 <0.005 --- <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-45 --- 6/3/04 <0.05 0.11 0.11 <0.50 <0.50 <0.50 <1.0 <0.0005 <0.005 0.015 <br /> --- 9/8/04 <0.05 <0.05 0.05 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 0.018 <br /> --- 12/7/04 <0.05 <0.05 <0.05 <0.0005 <0.0005 <0.0005 <0.001 0.00059 <0.005 --- <br /> --- 2/24/05 <0.05 <0.05 0.06 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 0.022 <br /> --- 5/25/05 <0.05 <0.05 <0.10 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.005 --- <br /> --- 8/24/05 <0.05 <0.05 <0.05 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 0.019 <br /> --- 11/15/05 <0.05 <0.05 <0.05 <0.0005 <0.0005 <0.0005 <0.0015 <0.0005 <0.005 --- <br /> --- 2/15/06 <0.05 <0.05 <0.05 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 0.0347 <br /> --- 5/17/06 <0.05 <0.05 <0.05 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 --- <br /> --- 8/15/06 <0.05 <0.05 <0.05 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 0.032 <br /> --- 11/15/06 <0.05 <0.05 <0.05 <0.0005 <0.0005 <0.0005 <0.0015 <0.0005 <0.005 --- <br /> --- 2/6/07 <0.05 <0.05 <0.05 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 0.021 <br /> --- 5/9/07 <0.05 <0.05 <0.05 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 --- <br /> --- 7/3/07 <0.05 <0.05 <0.05 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 0.019 <br /> StanWc <br /> 20120924-Parcel2A(Tables 4,5,6,7)Historical GW Tables 4Q12.xlsx Page 23 of 61 <br />