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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-6(cont.) --- 2/5/07 14 <0.05 <0.05 <0.009 0.22 1.7 4.36 <0.009 <0.05 <0.01 <br /> --- 5/7/07 18 0.29 <0.05 <0.009 0.25 2.0 5.1 <0.009 <0.05 --- <br /> --- 7/2/07 Well abandoned by Golden State Environmental <br /> MW-6R --- 4/20/09 Well not sampled 45 <br /> --- 7/28/09 Well not sampled 45 <br /> --- 10/19/09 Well not sampled 45 <br /> --- 1/18/10 Well not sampled 41 <br /> --- 4/19/10 Well not sampled 45 <br /> --- 7/19/10 Well abandoned <br /> MW-7 15 7/24/90 <0.02 <0.1 --- <0.0005 0.00073 <0.0005 0.002 --- --- --- <br /> --- 11/17/95 <0.05 0.13 --- <0.005 <0.005 <0.005 <0.005 <0.0025 --- --- <br /> 1/19/99 <0.05 0.45 --- <0.0005(ND)* <0.0005(ND)* <0.0005(ND)* <0.0005(ND)* <0.01 <0.02 --- <br /> --- 2/27/99 --- 0.44 --- --- --- --- --- --- --- --- <br /> --- 5/20/02 <0.05 0.45(<0.05) 0.424'5(<0.3) <0.005 <0.005 <0.005 <0.005 <0.005 --- 0.017 <br /> --- 9/30/02 <0.05 0.13(<0.05) <0.1(<0.1) <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 0.057 <br /> --- 12/5/02 <0.05 0.1(0.1) <0.05(<0.05) <0.0005 <0.0005 <0.0005 <0.001 --- --- 0.023 <br /> --- 3/5/03 <0.05 0.055(<0.05) <0.05(<0.05) <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 0.020 <br /> --- 5/5/03 <0.05 0.67(0.053) 0.18 4(<0.05) <0.0005 <0.0005 <0.0005 <0.001 --- --- 0.016 <br /> --- 8/19/03" 0.066 0.35(0.19) 0.065 B(<0.05) <0.0005 0.00062 0.0051 0.01464 --- --- 0.0091 <br /> --- 11/10/03" <0.05 0.28(<0.05) 0.0714(0.054) <0.0005 <0.0005 <0.0005 <0.001 --- --- 0.0092 <br /> --- 02/17/04" <0.05 0.44(0.053) 0.114(<0.05) <0.0005 <0.0005 <0.0005 <0.001 --- --- 0.031 <br /> --- 6/3/04" <0.05 0.61(0.099) 0.2316(0.05616) <0.0005 <0.0005 <0.0005 <0.001 --- --- --- <br /> --- 9/7/04" <0.05 0.12(<0.05) <0.1(<0.1) <0.0005 <0.0005 <0.0005 <0.001 --- --- <0.05 <br /> --- 12/6/04" <0.05 0.24 <0.10 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 --- <br /> --- 2/2/05" <0.05 0.15 <0.05 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 0.016 <br /> --- 5/25/05 <0.05 0.17 0.05116 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 --- <br /> --- 8/24/05 <0.05 0.16 <0.05 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 0.007 <br /> --- 11/17/05 <0.05 0.16 <0.05 <0.0005 <0.0005 <0.0005 <0.0015 <0.0005 <0.005 --- <br /> --- 2/14/06 <0.05 0.11 <0.05 <0.0005 <0.0005 <0.0005 <0.0015 <0.0005 <0.005 0.006 <br /> --- 5/15/06 <0.05 0.11 <0.05 <0.0005 <0.0005 <0.0005 <0.0015 <0.0005 <0.005 --- <br /> --- 8/14/06 <0.05 0.085 <0.05 <0.0005 <0.0005 <0.0005 <0.0015 <0.0005 <0.005 0.014 <br /> --- 11/14/06 <0.05 0.11 <0.05 <0.0005 <0.0005 <0.0005 <0.0015 <0.0005 <0.005 --- <br /> --- 2/5/07 <0.05 0.07 <0.05 <0.0005 <0.0005 <0.0005 <0.0015 <0.0005 <0.005 <0.01 <br /> --- 5/7/07 <0.05 0.094 <0.05 <0.0005 <0.0005 <0.0005 <0.0015 <0.0005 <0.005 --- <br /> --- 7/2/07 <0.05 0.17 0.092 38 <0.0005 <0.0005 <0.0005 <0.0015 <0.0005 <0.005 <0.005 <br /> --- 10/8/07 <0.05 0.20 0.064" <0.0005 <0.0005 <0.0005 <0.0015 <0.0005 <0.005 --- <br /> --- 1/21/08 <0.05 0.24 0.051 17 <0.0005 <0.0005 <0.0005 <0.0015 <0.0005 <0.005 <0.01 <br /> --- 4/21/08 <0.05 0.28 0.064 <0.0005 <0.0005 <0.0005 <0.0015 <0.0005 <0.005 --- <br /> --- 7/21/08 Well not sampled 45 <br /> --- 10/20/08 Well not sampled 45 <br /> --- 1/19/09 Well not sampled 45 <br /> --- 4/20/09 Well not sampled 45 <br /> --- 7/28/09 Well not sampled 45 <br /> --- 10/19/09 Well not sampled 45 <br /> --- 1/18/10 Well not sampled 45 <br /> --- 4/19/10 Well not sampled 45 <br /> --- 7/19/10 Well not sampled 45 <br /> --- 10/18/10 Well not sampled 41 <br /> StanWc <br /> 20120924-Parcel2A(Tables 4,5,6,7)Historical GW Tables 4Q12.xlsx Page 4 of 61 <br />