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02 Gge 1 of 2 <br /> Summary of Soil Borings <br /> ARCO Service Station No 6100 <br /> 25775 South Patterson Pass Road <br /> Tracy,California <br /> Boring Date Total Boring Drilling Drilling Groundwater Disposition <br /> Number Drilled Depth Diameter Method Contractor Encountered of Boring <br /> B-1 06/06/90 56 ft 8 in Hollow-stem auger Wayne Drilling NA Grouted to Surface <br /> B-2 06/07/90 41 ft 8 in Hollow-stem auger Wayne Drilling NA Grouted to Surface <br /> B-3 06/07/90 26 ft 8 in Hollow-stem auger Wayne Drilling NA Grouted to Surface <br /> B-4 06/08/90 31 ft 8 in Hollow-stem auger Wayne Drilling 14 5 ft Grouted to Surface <br /> B-5 06/08/90 31 ft 8 in liollow-stem auger Wayne Drilling NA Grouted to Surface <br /> B-6 10/07/91 76 ft 8 25 in Hollow-stem auger JCON Exploration NA Grouted to Surface <br /> B-7 10/11/91 76 5 ft 10 in Hollow-stem auger JCON Exploration NA Grouted to Surface <br /> B-8 10/08/91 46 ft 8 in Hollow-stem auger JCON Exploration NA Vapor Extraction Well VW-1 <br /> B-9 10/09/91 116 ft 8 in Hollow-stem auger WON Exploration NA Vapor Extraction Well VW-4 <br /> B-10 10/09/91 61 ft 8 in Hollow-stem auger JCON Exploration NA Vapor Extraction Well VW-2 <br /> B-11 10/10/91 61 ft 8 in Hollow-stem auger JCON Exploration NA Vapor Extraction Well VW-3 <br /> B-12 11/20/91 55 5 ft 8 in Hollow-stem auger JCON Exploration NA Vapor Extraction Well VW-5 <br /> B-13 11/20/91 35 5 ft 8 in Hollow-stem auger JCON Exploration NA Grouted to Surface <br /> B-14 11/21/91 80 5 ft 8 in Hollow-stem auger JCON Exploration NA Vapor Extraction Well VW-7 <br /> B-15 11/21/91 45 5 ft 8 in Hollow-stem auger JCON Exploration NA Vapor Extraction Well VW-6 <br /> B-16 11/22/91 35 5 ft 8 in Hollow-stem auger JCON Exploration NA Grouted to Surface <br /> B-17 11/25/91 88 5 ft 8 in Hollow-stem auger JCON Exploration NA Vapor Extraction Well VW-8 <br /> B-18 11/26/91 69 S ft 8 in Hollow-stem auger JCON Exploration NA Vapor Extraction Well VW-9 <br /> B-19 11/27/91 45 ft 8 in Hollow-stem auger JCON Exploration NA Grouted to Surface <br /> B-20 06/01/92 50 ft 8 in Hollow-stem auger Woodward Drilling NA Vapor Extraction Well VW-10 <br /> B-21 06/01/92 45 5 ft 8 25 in Hollow-stem auger Woodward Drilling NA Vapor Extraction Well VW-11 <br /> B-22 06/02/92 26 5 ft 10 in Hollow-stem auger Woodward Drilling NA Vapor Extraction Well VW-12 <br /> B-23 06/02/92 76 ft 8 in Hollow-stem auger Woodward Drilling NA Vapor Extraction Well VW-13 <br /> B-24 06/03/92 315 ft 8 in Hollow-stem auger Woodward Drilling NA Vapor Extraction Well VW-14 <br /> B-25 06/03/92 90 5 ft 8 in 11ollow-stem auger Woodward Drilling NA Vapor Extraction Well VW-15 <br /> 8-26 12/22/92 110 ft 10 25 in Hollow-stem auger Westex Drilling NA Vapor Extraction Well VW-17 <br /> B-27 12/15/92 40 ft 10 25 in Hollow-stem auger XON Exploration NA Vapor Extraction Well VW-16 <br /> B-28 12/16/92 71 ft 8 25 in Hollow-stem auger JCON Exploration NA Grouted to Surface <br /> N VLS\0805k14104\092895Gi XLS Revision 4 1111195 <br />