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Table 1 <br /> Summary of Soil Borings <br /> Former ARCO Service Station No 6100 <br /> 25775 South Patterson Pass Road <br /> Tracy, California <br /> Boring Date Total Boring Drilling Drilling Disposition <br /> Number Drilled Depth Diameter Method Contractor of Boring <br /> (feet) (inches) <br /> B-1 06/06/90 56 8 Hollow-stem auger Wayne Drilling Grouted to Surface <br /> B-2 06/07/90 41 8 Hollow-stem auger Wayne Drilling Grouted to Surface <br /> B-3 06/07/90 26 8 Hollow-stem auger Wayne Drilling Grouted to Surface <br /> B-4 06/08/90 31 8 Hollow-stem auger Wayne Drilling Grouted to Surface <br /> B-5 06/08/90 31 8 Hollow-stem auger Wayne Drilling Grouted to Surface <br /> B-6 10/07/91 76 8 Hollow-stem auger JCON Exploration Grouted to Surface <br /> B-7 10/11/91 765 10 Hollow-stem auger JCON Exploration Grouted to Surface <br /> B-8 10/08/91 46 8 Hollow-stem auger JCON Exploration Vapor Extraction Well VW-1 <br /> B-9 10/09/91 116 8 Hollow-stem auger JCON Exploration Vapor Extraction Well VW-4 <br /> B-10 10/09/91 61 8 Hollow-stem auger JCON Exploration Vapor Extraction Well VW-2 <br /> B-11 10/10/91 61 8 Hollow-stem auger JCON Exploration Vapor Extraction Well VW-3 <br /> B-12 11/20/91 55 5 8 Hollow-stem auger JCON Exploration Vapor Extraction Well VW-5 <br /> B-13 11/20/91 35 5 8 Hollow-stem auger JCON Exploration Grouted to Surface <br /> B-14 11/21/91 805 8 Hollow-stem auger JCON Exploration Vapor Extraction Well VW-7 <br /> B-15 11/21/91 45 5 8 Hollow-stem auger JCON Exploration Vapor Extraction Well VW-6 <br /> B-16 11/22/91 35 5 8 Hollow-stem auger JCON Exploration Grouted to Surface <br /> B-17 11/25/91 88 5 8 Hollow-stem auger JCON Exploration Vapor Extraction Well VW-8 <br /> B-18 11/26/91 695 8 Hollow-stem auger JCON Exploration Vapor Extraction Well VW-9 <br /> B-19 11/27/91 45 8 Hollow-stem auger JCON Exploration Grouted to Surface <br /> B-20 06/01/92 50 8 Hollow-stem auger Woodward Drilling Vapor Extraction Well VW-10 <br /> B-21 06/01/92 455 8 Hollow-stem auger Woodward Drilling Vapor Extraction Well VW-11 <br /> B-22 06/02/92 265 10 Hollow-stem auger Woodward Drilling Vapor Extraction Well VW-12 <br /> B-23 06/02/92 76 8 Hollow-stem auger Woodward Drilling Vapor Extraction Well VW-13 <br /> B-24 06/03/92 31 5 8 Hollow-stem auger Woodward Drilling Vapor Extraction Weli VW-14 <br /> B-25 06/03/92 905 8 Hollow-stem auger Woodward Drilling Vapor Extraction Well VW-15 <br /> B-26 12/22/92 110 10 Hollow-stem auger Westex Drilling Vapor Extraction Well VW-17 <br /> B-27 12/15/92 40 10 Hollow-stem auger JCON Exploration Vapor Extraction Well VW-16 <br /> B-28 12/16/92 71 8 Hollow-stem auger JCON Exploration Grouted to Surface <br /> 6100-soil-boring-summary Page I of 3 <br />