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December 22, 1998 41017 002 Harding Lawson Associates Mr Michael Kith ' PHS/EHD Page 10 ' The disposition of the various materials is again summarized in this section The debns from the demolition and removal of the wooden roof was transported offsite and disposed of as inert construction debris at Forward Landfill in Stockton, California on June 23, 24, and 26, and on July S, 9, and 13, 1998 After decontamination, ' the rebar from the concrete sidewalls and bottom of the UST, the steam piping runs from within the UST, and the removed product lines were transported offsite and disposed of as inert construction debris at The Lerner Company, a scrap metal yard in Stockton, California on June 30, 1998 The stockpiled concrete debris from the sidewalls and bottom of the UST was transported offsite by Universal Environmental and disposed of at FTG Construction Materials, an asphaltic concrete recycler in Stockton, California, between July 13 and July 15 The residual liquids and sludge in the UST, and the nnseate from steam cleaning operations, were removed 1 in vacuum trucks by Universal Environmental, a state-registered hauler, and properly transported to and disposed of at Seaport, a permitted TSD facility, located in Redwood City, California Approximately 713 tons of impacted soil were transported by Don Beste Transportation Inc , a state-registered hauler (Hauler 5'\0 ' Registration #2578), and disposed of at Altamont Landfill, a licensed TSD facility in Altamont, California between July 21 and July 24, 1998 Copies of the non-hazardous waste manifests for the residuals, the nnseate, and the impacted soils are attached to this report iCONCLUSIONS AND RECOMMENDATIONS The relevant information from the UST removal project at Newark Sierra is summarized below C The residual liquids and sludge were properly transported by Universal Environmental and disposed of at ' Seaport, a permitted TSD facility in Redwood City, California O The concrete sidewalls and bottom to the UST were properly steam cleaned (triple-rinsed) and the cleaning job was approved by Mr Kith of the PHS/EHD ' - The concrete sidewalls and bottom to the UST were demolished and properly transported offsite by Universal Environmental and disposed of at FTG Construction Materials an asphaltic-concrete recycler in Stockton, California - Rinseate was properly transported by Universal Environmental and disposed of at Seaport, a permitted TSD facility in Redwood City, California ' - Impacted soils were restricted to a narrow rim located adjacent and outside of the concrete sidewalls of the UST and these impacted soils were e\cavated and stockpiled temporarily for chemical profiling prior to offsite disposal - Impacted soils were properly transported by Don Beste Transportation Inc , a state-registered hauler, and disposed of at Altamont Landfill, a licensed TSD facility in Altamont, California - Impacted soils remain in place on the northwest and northeast sides of the excavation The lateral and vertical extent of the soils have been determined Are estimated to consist of approximately 40 cubic yards - These soils do not contain detectable concentrations of BTEX vi