Introduction
June 1981
August 1979
Sept. 1959
Sept. 1964
May 1970
Nov. 1973
August 1979
July 1995
Structure Demolition
- Gas Hills - 1996

• Structure Demolition Gas Hills 1996
• Demolition of structures in
  preparation of pond construction

ABOVE GRADE TAILINGS

• Radon Barrier in place
• Random Fill in place
• Rock Protection Design to be submitted
  • Ground Water
    • Analysis/Interpretation
      of Data
    • Plan Submittal to
      NRC

HEAP LEACH

• Radon Barrier in place
• Random Fill in place
• Rock Protection to be approved & constructed

• Receiving contaminated materials
• Final volumes dependent on selection of cleanup levels
• Ground Water
  • Analysis/Interpretation of data
  • Current system is pump and evaporate

• Issues to be resolved:
  • Various plan approvals
  • Background
  • ACLs