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Table 1 Well Details I Well Destruction Methods 4707 Pacific Avenue Stockton,California Date Casing Construction Current Well Current Depth to Screen Proposed Well Well Type Diameter Well Depth Depth Groundwater Interval Destruction Well ID Installed (inches) (feet bgs) (feet bgs) (feet below TOC) (feet bgs) Method ✓RAW-1 1/31/1990 Monitoring 4 55.00 52.50 r 26.65 51-55 Pressure rount MW-2 2/1/1990 Monitoring_ 41 55.00 54.203 27.563 51-55 OVER-DRILL ,.MW-4 2/5/1990 Monitorin d 41 55.00 54.852 27.362 51-55 Pressure grount MW-5 ' 2/6/1990 Monitoring 41 55.00 53.90 27.34 50-55 t `i (� •,P W-6 3/3/1992 Monitoring 21 69.00 68.962 27.222 49-69 Pressure grount ..MW-7 3/3/1992 Monitoring 21 69.00 68.582 27.872 49-69 Pressure grount ,MW-8 3/4/1992 Monitoring 21 69.00 68.902 25.852 49-69 Pressure grount MW-9 8/10/1992 Monitoring 21 70.00 69.672 27.252 50-70 Pressure grount MW-11 8/13/1992 Monitorin 21 72.00 64.062 27.492 54-72 Pressure grount .MW-14 8/16/1999 Monitorin 21 38.00 34.02 27.84 18-38 Pressure grount <11 MW-15- 8/18/1999 Monitorin 21 38.00 37.57° 26.72 418-38 MW-1.6 8/17/1999 Monitoring 21 38.00 40.193 27.653 18-38 Pressure grount tsVW-1 3/2/1992 Extraction 41 49.50 40.162 26.62 24.5-49.5 Pressure grount ,,VW-23/9/1992 Extraction 4 50.50 44.853 27.053 25.5-50.5 OVER-DRILL +,VW-3 3/9/1992 Extraction 41 50.50 35.092 27.132 25.5-50.5 Pressure grount 1 -4 3/10/1992 Extraction 41 . 50.50 36.503 27.253 25.5-50.5 OVER-DRILL ✓VW-5 12/3/1993 Extraction 4 31.50 5 -5 6.5-31.5 OVER-DRILL VW-6 12/3/1993 Extraction 4 32.00 -5 -5 22-32 Pressure grount „,VW-7 8/16/1999 Sparge 21 60.00 58.223 27.023 55-60 OVER-DRILL PTWA 8/10/1992 Extraction 61 72.50 71.542 27.872 52.5-72.5 Pressure grount -SP-1 11/19/2001 Sparge 0.75 65.00 -5 -5 62-65 Pressure grount � P-2 11/19/2001 Sparge 0.75 65.00 -5 - 62-65 Pressure grount P-3 11/19/2001 Sparge 0.75 65.00 -5 -5 62-65 Pressure grount SP-4 11/19/2001 Sparge 0.75 65.00 -5 -5 62-65 OVER-DRILL 1/SP-5 11/19/2001 Sparge 0.75 65.00 -5 -5 62-65 Pressure grount r5P-6 11/20/2001 Sparge 0.75 65.00 5 -5 62-65 Pressure grount vSP-7 11/20/2001 Sparge 0.75 65.00 5 -5 62-65 OVER-DRILL t,SP-8 11/20/2001 Sparge 0.75 65.00 5 -5 62-65 Pressure grount ',SP-9 11/20/2001 Sparge 0.75 65.00 -5 -5 62-65 Pressure grount VSP-10 11/20/2001 S a e 0.75 65.00 -5 -5 62-65 Pressure grount S /202001 Sara -5 -5 37-40 Pressure grount P-1 20075 . 01 a ecSO- 211200400 5 -5 37 40 Pressure grount P-13 11/19/2001 Sparge 0.75 40.00 - 37-40 OVER-DRILL Notes: bgs =below ground surface TOC =top of casing 1 =As reported in TRC Solutions August 2011 field data sheets. 2 =As measured prior to groundwater sampling on 8/5/2011. 3 =As measured prior to groundwater sampling on 1/17/12. 4 =As measured prior to groundwater sampling on 5/25/12. 5 = Not measured. 1 oft