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TABLE 1 <br /> SUMMARY OF SOIL BORINGS <br /> Unocal Service Station No 6981 <br /> 4707 Pacific Avenue <br /> Stockton, California <br /> Soil Boring Date Total Boring orilling Drilling Ground slater Environmental Reference Disposition of Boring <br /> Number Drilled Depth Diameter Method Contractor Encountered Consultant <br /> B-1 01/31/90 551 1011 Hollow-stem auger Spectrum Drilling 501 Applied GeoSystems 38032-3 Monitoring well MW-1 <br /> e-2 02/01/90 551 10" Hollow-stem auger Spectrum Drilling 501 Applied GeoSystems 38032-3 Monitoring well MW-2 <br /> B-3 02/02/90 551 10" hollow-stem auger Spectrum Drilling 501 Applied GeoSystems 38032-3 Monitoring Well MW-3 <br /> B-4 02/05/90 551 10" Hollow stem auger Spectrum Drilling 51 51 Applied GeoSystems 38032 3 Monitoring Well MW-4 <br /> B-5 02/06/90 551 1011 Hollow stem auger Spectrum Drilling 531 Applied GeoSystems 38032-3 Monitoring Well MW 5 <br /> 8-6 03/02/92 49 51 10 251' Hollow-stem auger Woodward Drilling NA RESNA Industries 36032-7 Vapor-Extraction WeIIVW-1 <br /> B-7 03/03/92 691 8 2511 Hollow-stem auger Woodward Drilling 611 RESNA Industries 38032-7 Monitoring Well MW-6 <br /> B 8 03/03/92 691 8 2511 Hollow stem auger Woodward Drilling 55 51 RESNA Industries 38032 7 Monitoring Well MW-7 <br /> B-9 03/04/92 101 8 2511 Hollow stem auger Woodward Drilling NA RESNA Industries 38032-7 Backfilled <br /> I <br /> B 10 03/04/92 691 8 25i1 Hollow stem auger Woodward Drilling 55 751 RESNA Industries 38032-7 Monitoring Well MW-8 <br /> B 11 03/09/92 50 51 10 2511 Hollow-stem auger Westex Drilling Co NA RESNA Industries 38032-7 Vapor-Extraction WeIIVW-2 <br /> B-12 03/09/92 50 51 10 2511 Hollow stem auger Westex Drilling Co NA RESNA Industries 38032-7 Vapor-Extraction WeIIVW-3 <br /> B 13 03/10/92 50 51 10 25" Hollow stem auger Westex Drilling Co NA RESNA Industries 38032 7 Vapor-Extract ton Wet(VW-4 <br /> B-14 08/10/92 701 8" Hollow-stem auger Westex Drilling Co NA RESNA Industries 38032 8 Monitoring Well MW 9 <br /> I <br /> B-15 08/13/92 701 811 Hollow stem auger Westex Drilling Co 571 RESNA Industries 38032-8 Monitoring Well MW 10 <br /> 8-16 03/12-13/92 721 811 Hollow stem auger Westex Drilling Co 571 RESNA Industries 38032-8 Monitoring Well MW-11 <br /> B-17 08/11-12/92 721 811 Hollow-stem auger Westex Drilling Co 571 RESNA Industries 38032-8 Monitoring Well MW-12 <br /> 0-18 08/10-11/92 72 51 1211 Hollow-stem auger Westex Drilling Co 571 RESNA Industries 38032-8 Pump Test Well PTW-1 <br /> B-19 08/24/92 721 8 5" Hollow stem auger Westex Drilling Co 571 RESNA Industries 38032-8 Monitoring Well MW-13 <br /> Depth of boring and depth to water measured in feet below ground surface <br /> NA = Not applicable <br />