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8. a. Describe the method that will be utilized to purge and/or Inert the taniq# <br /> After tank cleaning, tank will be merted by placing dry ice into tank as required by county. <br /> b. Tank/Piping Hauler. <br /> Name ECI <br /> Address 255 Parr Blvd. City Richmond 21p 94801 <br /> phone N04 510 1235-1393 <br /> Hauler Registration i Of hauled as hazardous)15 3 3 <br /> a TanklMping Disposal Site: <br /> NameECl <br /> Address 255 Parr Blvd. CityRichntond Mp, 4801 <br /> Phone No{ 510 I 235-1393 <br /> BPA Mf Of transported to a permitted TSD faclilty)CAD009466392 <br /> 9. Is the sampling firm an independent third party from the contractor? USK Nall <br /> 9a. Describe,in detail,how the soil and/or water sample(s)beneath the tank and p4 tug will be obtained: <br /> soil and/or water samples will be obtained at locations under tank and stockpile as directed by county <br /> inspector. Backhoe will be used to assist in soil samples and bailer for water, if encountere . <br /> 10. Describe how the excavation will be backfilled with suitable material upon removat• <br /> Import aggregate base rock to displace tank volume.Compaction of all pea gravel and base rock <br /> 11. Handling of excavated sol: <br /> a)What material will be used to line the tank pit and cover the stockpile? <br /> 10 mil. Visqueen plastic sheeting <br /> b)What will be the final destination of the excavated stockpile? <br /> Stockpile will be used for backfill after lab data review by county inspector. . <br /> C)Contaminated Soil Hazardous Waste Hauler. <br /> Name N/A at this time Hauler RalQatration/ <br /> Address city zip <br /> Phone No.( ) <br /> BH 23 046(Revised 08/13199) Page 5 <br />