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Table 1: Summary of Well Construction Details & Proposed Well Destruction Method <br />J.M. Equipment <br />1245 Charter Way <br />Stockton, California <br />Well Type Well Number Date Drilled Total Depth <br />(ft) <br />Boring <br />Diameter On) <br />Well Casing <br />Diameter On) <br />Casing <br />Type Slot Size (in) Sand Type <br />Well Screen Filter Pack Annular Seal Grout Seal Proposed Destruction <br />Method <br />Calculated Grout <br />Volume' <br />From To From To From To From To gallons <br />PARCEL 163-230-034 - PROPERTY ADDRESS: 1245 W CHARTER WAY <br />I Monitoring MW-5 4/6/1999 35 8 2 PVC 0.020 #3 35 15 35 13 13 11 11 S Drill Out 92 <br />p Monitoring MW-7 5/24/2001 30 8 2 PVC 0.020 #3 30 10 30 8 8 6 6 S Pressure Grout 38 <br />, Injection IW-3 6/28/2011 25 15 6 PVC 0.020 Pea Gravel 25 15 25 13 13 11 It S Drill Gut 230 <br />, Injection IW-4 6/29/2011 25 15 2 PVC 0.020 Pea Gravel 25 23 25 13 13 11 11 S Drill Out 230 <br />Observation OW-3 6/27/2011 25 8 2 PVC 0.020 #3 25 15 25 13 13 11 II S Drill Out 66 <br />PARCEL 163-230-008 - PROPERTY ADDRESS: 1245 W CHARTER WAY <br />Monitoring MW-4 4/6/1999 35 8 2 PVC 0.020 #3 35 15 35 13 13 11 11 S Drill Out 92 <br />Monitoring MW-6 4/5/1999 35 8 2 PVC 0.020 #3 35 15 35 13 13 11 11 S Drill Out 92 <br />Monitoring MW-9 9/13/1996* 35 8 2 PVC 0.020 #2/12 35 15 35 13 13 II 11 S Drill Out 92 <br />Monitoring MW-10 5/24/2001 30 8 2 PVC 0.020 #3 30 11 30 8 8 6 6 S Pressure Grout 38 <br />Monitoring MW-11 5/16/2014 25 8 2 PVC 0.010 #2/12 25 15 25 13 13 11 II S Drill Out 66 <br />$ Monitoring <br />s MW- I 2 5/16/2014 25 8 2 PVC 0.010 #2/12 25 15 25 13 13 11 II S Drill Out 66 <br />S, Monitoring MW-13 5/16/2014 25 8 2 PVC 0.010 #2/I2 25 15 25 13 13 11 11 S Pressure Grout 30 <br />Monitoring MW-109 5/24/2001 80 8 2 PVC 0.020 #3 80 75 80 73 73 68 68 S Drill Out 209 <br />Monitoring GP-1 2/5/2004 30 8/1.5 0.75 PVC 0.010 20/40 28 18 28 17 17 14 14 S Drill Out 78.3 <br />Monitoring GP-2 2/5/2004 30 8/1.5 0.75 PVC 0.010 20/40 29.5 19.5 30 19 19 16 16 S Drill Out 78.3 <br />Monitoring GP-3 2/5/2004 30 8/1.5 0.75 PVC 0.010 20/40 30 20 30 19 19 16 16 S Drill Out 78.3 <br />Injection IW-1 6/28/2011 25 15 6 PVC 0.020 Pea Gravel 25 15 25 13 13 II 11 S Drill Out 230 <br />Injection IW-2 6/29/2011 25 15 4 PVC 0.020 Pea Gravel 25 15 25 13 13 11 11 S Drill Out 230 <br />Injection 1W-5 1/14/2014 25 12 6 PVC 0.020 Med. Aquar. 25 15 25 13 13 10 10 S Drill Out 147 <br />Injection IW-6 1/14/2014 25 12 6 PVC 0.020 Med. Aquar. 25 15 25 13 13 10 10 S Drill Out 147 <br />Injection IW-7 1/14/2014 25 12 6 PVC 0.020 Med. Aquar. 24 14 25 13 13 10 10 S Drill Out 147 <br />Injection IW-8 3/25/14 25 15 6 PVC 0.020 Pea Gravel 25 15 25 13 13 10 10 S Drill Out 230 <br />Injection IW-9 3/28/14 25 15 6 PVC 0.020 Pea Gravel 23 13 25 10.5 10.5 8 8 S Drill Out 230 <br />Injection IW-10 3/24/14 25 15 6 PVC 0.020 Pea Gravel 25 15 25 13 13 10 10 S Drill Out 230 <br />Injection 1W-It 3/24/14 25 15 6 PVC 0.020 Pea Gravel 25 15 25 13 13 10 10 S Drill Out 230 <br />Observation OW-1 6/27/2011 25 8 2 PVC 0.020 #3 25 15 25 13 13 II 11 S Drill Out 66 <br />le Observation '..7 OW-2 6/27/2011 25 8 2 PVC 0.020 #3 25 15 25 13 13 II 11 S Drill Out 66 <br />PARCEL 163-230-011 - PROPERTY ADDRESS: 1141 W CHARTER WAY <br />Monitoring MW-1 7/5/1995* 38.10 2 PVC Pressure Grout I <br />PARCEL 163-230-012 - PROPERTY ADDRESS: 1145W CHARTER WAY <br />Monitoring MW-2 7/5/1995* 38.50 2 PVC Pressure Grout 7 <br />Monitoring MW-3 7/5/1995* 33.90 2 PVC Pressure Grout 7 <br />Monitoring MW-8 7/10/1996* 35 8 2 PVC 0.020 #2112 35 15 35 13 13 12 12 S Drill Out 92 <br />= GTI/GZA did not install these wells amsl = above mean sea level <br />ft = feet - = construction detail is unknown <br />in = inches = volume of grouttxlis rounded up to the nearst whole number <br />TOC = top of casing <br />Ground Zero Analysis, Inc. 5/11/2018