text: Unconditional purchase commitments consist primarily of long-term disposal agreements that require us 
  to dispose of a minimum number of tons at third party facilities. 
  
  We do not have or engage in any oÅ-balance sheet arrangements. 
  
  **Quantitative and Qualitative Disclosures About Market Risk**
  
  The table below provides information about our market sensitive Ñnancial instruments and constitutes a 
  ""forward-looking statement.'' Our major market risk exposure is changing interest rates in the United States 
  and Öuctuations in LIBOR. We intend to manage interest rate risk through the use of a combination of Ñxed 
  and Öoating rate debt. All items described below are non-trading. 