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TABLE 1 <br /> DRILLING AND WELL CONSTRUCTION SUMMARY <br /> ARCO STATION 5469 <br /> 130 SOUTH WILSON WAY <br /> STOCKTON,CALIFORNIA <br /> Boring Well <br /> Depth Boring Well Depth Screen Slot <br /> Boring No. (ft.) Dia.(in.) Well No. Dia.(in.) (ft.) (ft.bgs) Size(in.) Method Date Status <br /> B-I 61 10 MW-1 4 53 33-53 0.020 hollow stem auger 06/05/00 Active Well <br /> B-2 59 10 MW-2 4 53 33-53 0.020 hallow stem auger 06/06/00 Active Well <br /> B-3 59 10 MW-3 4 53 33-53 0.020 hollow stem auger 06/06/00 Active Well <br /> B-4 60 10 MW-4 4 59 34-59 0.020 hollow stem auger 06/07/00 Active Well <br /> B-5 54.5 10 MW-5 4 53 33-53 0.020 hollow stem auger 06/07/00 Active Well , <br /> B-6 54.5 10 MW-6 4 53 33-53 0.020 hollow stem auger 06/07/00 Active Well <br /> MW-7 53 10 MW-7 4 53 33-53 0.020 hollow stem auger 05/31/01 Active Well <br /> MW-8 53 10 MW-8 4 53 33-53 0.020 hollow stem auger 05/30/01 Active Well <br /> MW-9 74 10 MW-9 4 74 59-74 0.020 hollow stem auger 05/31/01 Active Well <br /> MW-10 74 10 MW-10 4 74 59-74 0.020 hollow stem auger 05/30/01 Active Well <br /> [W-1 58.5 8 IW-1 0.75 57.5 54-57.5 porous membrane hollow stem auger 03/26/02 Active Well <br /> IW-2 53.5 8 IW-2 0.75 53.5 51-53.5 porous membrane hollow stem auger 03/26/02 Active Well <br /> IW-3 58.5 8 IW-3 0.75 58.5 55-58.5 porous membrane hollow stem auger 03/25/02 Active Well <br /> IW-4 54.5 8 IW-4 0.75 54.5 52-54.5 porous membrane hollow stem auger 03/25/02 Active Well <br /> IW-5 64.5 8 lW-5 0.75 63 60.5-63 porous membrane hollow stem auger 03/25/02 Active Well <br /> CPT-] 120 2 cone penetrometer 11/18/02 Grouted to surface <br /> bgs=below ground surface <br /> ARC05469-drilling-well-summary Page 1 of I 5TKATIJ6 <br />