text: **Our Ñnancial statements are based upon estimates and assumptions that may diÅer from actual results.**
  
  Our Ñnancial statements have been prepared in accordance with U.S. generally accepted accounting 
  principles and necessarily include amounts based on estimates and assumptions made by us. Actual results 
  could diÅer from these amounts. SigniÑcant items subject to such estimates and assumptions include the 
  carrying value of long-lived assets, the depletion and amortization of landÑll development costs, accruals for 
  Ñnal capping, closure and post-closure costs, valuation allowances for accounts receivable, liabilities for 
  potential litigation, claims and assessments, and liabilities for environmental remediation, deferred taxes and 
  self-insurance. 
  
  We cannot assure you that our reserves for landÑll and environmental costs will be adequate to cover the 
  requirements of existing environmental regulations, future changes or interpretations of existing regulations, or 
  the identiÑcation of adverse environmental conditions previously unknown to us. 
  
  **Changes in insurance markets may impact our Ñnancial results.**
  
  Due to the variable condition of the insurance market, we have experienced, and may continue to 
  experience in the future, increased self-insurance retention levels and increased premiums. As we assume 
  more risk for self-insurance through higher retention levels, we may experience more variability in our self- 
  insurance reserves and expense. 