ARCHIVED REPORTS_FOURTH QUARTER AND ANNUAL 2010 SITE STATUS, REMEDIAL SUMMARY, AND GROUNDWATER MONITORING REPORT

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Table 7 Groundwater Analytical Data-Metals South Shore Parcels-Parcel 2A and Adjacent Areas West Weber Avenue and North Lincoln Street Stockton, California Hex- avalent Sample Date Al Sb As Ba Be Ca Cd Cr Co Cu Pb K Mo Mn Na Ni Se Ag TI V Zn Hg Cr ID (mq/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) A Zone Wells-Areas 2A/2B and Adjacent Properties(cont.) 2AM-12(cont.) 8/24/05 --- <0.05 0.019 --- <0.01 --- <0.01 <0.02 --- <0.02 <0.005 --- --- --- --- <0.02 <0.005 <0.01 <0.005 --- <0.02 <0.0002 --- 11/14/05 Dissolved Metals analysis required semi-annually per MRP No. R5-2004-0820 2/16/06 --- <0.015 0.0426 --- <0.001 --- <0.005 0.00782 --- <0.005 <0.01 --- --- --- --- <0.005 <0.015 <0.005 <0.015 --- 0.0216 <0.0005 --- 5/17/06 Dissolved Metals analysis required semi-annually per MRP No. R5-2004-0820 8/16/06 --- <0.05 0.019 --- <0.01 --- <0.01 <0.02 --- <0.02 <0.005 --- --- --- --- <0.02 <0.005 <0.017 <0.005 --- <0.02 0.00072 --- 11/16/06 Dissolved Metals analysis required semi-annually per MRP No. R5-2004-0820 2/9/07 --- <0.05 0.02 --- <0.01 --- <0.01 <0.02 --- <0.02 <0.005 --- --- --- --- <0.02 <0.005 <0.01 <0.005 --- <0.02 <0.0002 --- 5/7/07 Dissolved Metals analysis required semi-annually per MRP No. R5-2004-0820 7/5/07 --- <0.05 0.03 --- <0.01 --- <0.01 <0.02 --- <0.02 <0.005 --- --- --- --- <0.02 <0.005 <0.01 <0.005 --- <0.02 <0.0002 --- 10/8/07 Dissolved Metals analysis required semi-annually per MRP No. R5-2004-0820 1/24/08 --- <0.05 0.013 --- <0.01 --- <0.01 0.021 --- <0.02 <0.005 --- --- --- --- <0.02 <0.005 <0.01 <0.005 --- <0.02 <0.0002 --- 4/21/08 Dissolved Metals analysis required semi-annually per MRP No. R5-2004-0820 7/24/08 --- <0.015 0.035 --- <0.001 --- <0.001 <0.005 --- <0.005 <0.005 --- --- --- --- <0.005 <0.015 <0.005 <0.015 --- <0.01 <0.0005 --- 10/20/08 Dissolved Metals analysis required semi-annually per MRP No. R5-2004-0820 7/24/08 --- <0.015 0.20 --- <0.001 --- <0.001 <0.005 --- <0.005 <0.005 --- --- --- --- <0.005 <0.015 <0.005 <0.015 --- <0.01 <0.0005 --- 10/20/08 Dissolved Metals analysis required semi-annually per MRP No. R5-2004-0820 1/21/09 --- <0.05 0.026 --- <0.05 --- <0.01 <0.01 --- <0.01 <0.005 --- --- --- --- <0.02 <0.005 <0.01 <0.001 --- <0.02 <0.005 --- 4/20/09 Dissolved Metals analysis required semi-annually per MRP No. R5-2004-0820 7/29/09 --- <0.0050 0.036 --- <0.0010 --- <0.0010 <0.0050 --- <0.0050 <0.0050 --- --- --- --- <0.0050 <0.0060 <0.0050 <0.015 --- <0.010 <0.00020 --- 10/19/09 Dissolved Metals analysis required semi-annually per MRP No. R5-2004-0820 1/22/10 --- <0.0050 0.032 --- <0.0010 --- <0.0010 <0.0050 --- <0.0050 <0.0050 --- --- --- --- <0.0050 <0.0060 <0.0050 <0.015 --- 0.012 <0.00020 --- 4/19/10 Dissolved Metals analysis required semi-annually per MRP No. R5-2004-0820 7/20/10 --- <0.0050 0.033 --- <0.0010 --- <0.0010 <0.0050 --- <0.0050 <0.0050 --- --- --- --- <0.0050 <0.0060 <0.0050 <0.015 --- <0.010 <0.00020 --- 10/18/10 Dissolved Metals analysis required semi-annually per MRP No. R5-2004-0820 2AMW-13 5/20/02 --- <0.06 0.17 <0.002 --- --- <0.005 <0.01 --- <0.01 0.13 --- --- --- --- <0.02 <0.005 <0.005 0.0071 --- --- <0.0002 --- (FD) 5/20/02 --- <0.06 0.17 <0.002 --- --- <0.005 <0.01 --- <0.01 0.14 --- --- --- --- <0.02 <0.005 <0.005 <0.005 --- <0.02 <0.0002 --- 9/30/02 --- <0.05 0.19 <0.005 --- --- <0.01 <0.01 --- <0.02 0.18 --- --- --- --- <0.02 <0.005 <0.01 <0.01 --- 0.07 0.00091 --- 12/5/02 --- <0.015 0.152 --- <0.001 --- <0.005 <0.005 --- 0.0053 0.131 --- --- --- --- 0.00808 <0.015 <0.005 <0.015 --- 0.0373 <0.0005 --- 3/5/03 --- <0.015 0.243 --- <0.001 --- <0.005 <0.005 --- <0.005 0.120 --- --- --- --- 0.00853 <0.015 <0.005 <0.015 --- 0.0322 <0.0005 --- 5/8/03 --- <0.05 0.240 --- <0.01 --- <0.01 <0.02 --- <0.02 0.120 --- --- --- --- <0.02 <0.005 <0.01 <0.005 --- 0.040 <0.0002 --- 8/21/03 --- <0.05 0.230 --- <0.01 --- <0.01 <0.02 --- <0.02 0.120 --- --- --- --- <0.02 <0.005 <0.005 2 <0.005 --- <0.02 <0.0002 --- 11/14/03 --- <0.015 0.206 --- <0.001 --- <0.005 <0.005 --- <0.005 0.0954 --- --- --- --- 0.00776 <0.015 <0.005 <0.015 --- 0.0375 <0.0005 --- 2/20/04 --- <0.05 0.260 --- <0.01 --- <0.01 <0.02 --- 0.067 0.150 --- --- --- --- <0.02 <0.005 <0.01 <0.005 --- 0.280 <0.0002 --- 6/3/04 Dissolved Metals analysis required semi-annually per MRP No. R5-2004-0820 9/9/04 --- 0.062 0.170 --- <0.01 --- <0.01 <0.02 --- <0.02 0.091 --- --- --- --- <0.02 <0.005 <0.01 <0.005 --- <0.02 <0.0002 --- 12/10/04 Dissolved Metals analysis required semi-annually per MRP No. R5-2004-0820 2/25/05 --- <0.05 0.160 --- <0.01 --- <0.01 <0.02 --- <0.02 0.096 --- --- --- --- <0.02 <0.005 <0.01 <0.005 --- <0.02 0.00028 --- 5/25/05 Dissolved Metals analysis required semi-annually per MRP No. R5-2004-0820 8/24/05 --- <0.05 0.180 --- <0.01 --- <0.01 <0.02 --- <0.02 0.12 --- --- --- --- <0.02 <0.005 <0.01 <0.005 --- <0.02 <0.0002 --- 11/14/05 Dissolved Metals analysis required semi-annually per MRP No. R5-2004-0820 2/16/06 --- <0.015 0.221 --- <0.001 --- <0.005 0.0051 --- <0.005 0.0992 --- --- --- --- 0.0076 <0.015 <0.005 <0.015 --- <0.01 <0.0005 --- 5/17/06 Dissolved Metals analysis required semi-annually per MRP No. R5-2004-0820 8/16/06 --- <0.05 0.15 --- <0.01 --- <0.01 <0.02 --- <0.02 0.099 --- --- --- --- <0.02 <0.005 <0.017 <0.005 --- <0.02 0.002 --- 11/14/06 Dissolved Metals analysis required semi-annually per MRP No. R5-2004-0820 Stantec I:\Tidewater\TW Stockton(Parcel 2A-0415)\Tables\QMR Tables\2010\4Q10\20101117-Parcel2A(Tables 4,5,6,7)Historical GW Tables 4Q10.xls Page 8 of 45