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 Cc 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.) 2AMW-15(cont.) 4/20/09 Dissolved Metals analysis required semi-annually per MRP No. R5-2004-0820 8 7/27/09 Well not sampled 8 10/19/09 Dissolved Metals analysis required semi-annually per MRP No. R5-2004-0820 8 1/18/10 Well not sampled 8 4/19/10 Dissolved Metals analysis required semi-annually per MRP No. R5-2004-0820 8 7/19/10 Well not sampled 8 10/18/10 Dissolved Metals analysis required semi-annually per MRP No. R5-2004-0820 8 MW-18 4/15/03 --- <0.05 0.130 --- <0.01 --- <0.01 <0.02 --- <0.02 <0.005 --- --- --- --- <0.02 <0.005 <0.01 <0.005 --- <0.02 <0.0002 --- 5/8/03 --- <0.05 0.180 --- <0.01 --- <0.01 <0.02 --- 0.029 <0.025 --- --- --- --- <0.02 <0.005 <0.01 <0.005 --- <0.025 <0.0002 --- 8/20/03 <0.0098 <0.0098 <0.0098 <0.0098 <0.0098 <0.0098 <0.0098 <0.0098 <0.0098 <0.0098 <0.0098 <0.0098 <0.0098 <0.0098 <0.0098 <0.0098 <0.0098 <0.0098 <0.0098 <0.0098 <0.020 <0.0002 --- 11/12/03 --- <0.015 0.266 --- <0.001 --- <0.005 <0.005 --- <0.005 <0.01 --- --- --- --- <0.005 <0.015 <0.005 <0.015 --- 0.0718 <0.0005 --- 2/19/04 --- <0.05 0.270 --- <0.01 --- <0.01 <0.02 --- <0.02 <0.005 --- --- --- --- <0.02 <0.005 <0.01 <0.005 --- <0.020 <0.0002 --- 6/2/04 Dissolved Metals analysis required semi-annually per MRP No. R5-2004-0820 9/9/04 --- <0.05 0.27 --- <0.01 --- <0.01 <0.02 --- <0.02 <0.005 --- --- --- --- <0.02 <0.005 <0.01 <0.005 --- 0.023 <0.0002 --- 12/10/04 Dissolved Metals analysis required semi-annually per MRP No. R5-2004-0820 2/25/05 --- <0.05 0.190 --- <0.01 --- <0.01 <0.02 --- <0.02 <0.005 --- --- --- --- <0.02 <0.005 <0.01 <0.005 --- <0.02 <0.0002 --- 5/25/05 Dissolved Metals analysis required semi-annually per MRP No. R5-2004-0820 8/24/05 --- <0.05 0.20 --- <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 0.243 --- <0.001 --- <0.005 <0.005 --- <0.005 <0.01 --- --- --- --- <0.005 <0.015 <0.005 <0.015 --- 0.112 <0.0005 --- 5/17/06 Dissolved Metals analysis required semi-annually per MRP No. R5-2004-0820 8/16/06 --- <0.05 0.18 --- <0.01 --- <0.01 <0.02 --- <0.02 <0.005 --- --- --- --- <0.02 <0.005 <0.017 <0.005 --- <0.02 <0.0002 --- 11/16/06 Dissolved Metals analysis required semi-annually per MRP No. R5-2004-0820 2/8/07 --- <0.05 0.27 --- <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 7/3/07 Not Sampled-no access agreement 10/8/07 Dissolved Metals analysis required semi-annually per MRP No. R5-2004-0820 1/24/08 --- <0.05 0.30 --- <0.01 --- <0.01 <0.02 --- <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 0.20 --- <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 1/19/09 Well not analyzed for metals 10 4/20/09 Dissolved Metals analysis required semi-annually per MRP No. R5-2004-0820 7/30/09 --- <0.0050 0.30 --- <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 1/20/10 --- <0.0050 0.28 --- <0.0010 --- <0.0010 <0.0050 --- <0.0050 <0.0050 --- --- --- --- <0.0050 <0.0060 <0.0050 <0.015 --- <0.010 <0.00020 --- 4/19/10 Dissolved Metals analysis required semi-annually per MRP No. R5-2004-0820 7/21/10 --- <0.0050 0.24 --- <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 MW-19 4/15/03 --- <0.05 0.084 --- <0.01 --- <0.01 <0.02 --- <0.02 <0.005 --- --- --- --- <0.02 <0.005 <0.01 <0.005 --- 0.024 <0.0002 --- 5/8/03 --- <0.05 0.160 --- <0.01 --- <0.01 <0.02 --- <0.02 <0.0005 --- --- --- --- <0.02 <0.005 <0.01 <0.005 --- 0.035 <0.0002 --- 8/21/03 --- <0.05 0.210 --- <0.01 --- <0.01 <0.02 --- <0.02 <0.005 --- --- --- --- <0.02 <0.005 <0.005 2 <0.005 --- <0.02 <0.0002 --- 11/13/03 --- <0.015 0.203 --- <0.001 --- <0.005 <0.005 --- <0.005 <0.01 --- --- --- --- <0.005 <0.015 <0.005 <0.015 --- 0.233 <0.0005 --- 2/20/04 --- <0.05 0.320 --- <0.01 --- <0.01 <0.02 --- <0.02 <0.005 --- --- --- --- <0.02 <0.005 <0.01 <0.005 --- <0.020 <0.0002 --- 6/3/04 Dissolved Metals analysis required semi-annually per MRP No. R5-2004-0820 9/9/04 --- <0.05 0.250 --- <0.01 --- <0.01 <0.02 --- <0.02 <0.005 --- --- --- --- <0.02 <0.005 <0.01 <0.005 --- 0.028 <0.0002 --- 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 10 of 45