text: **Restricted Cash and Marketable Securities, and Other Financial Guarantees**
  
  In the normal course of business, the Company is required by regulatory agencies, governmental entities 
  and contract parties to post performance bonds, letters of credit and/or cash deposits as Ñnancial guarantees of 
  the Company's performance. At December 31, 2004, letters of credit totaling $489.8 million were outstanding, 
  and surety bonds totaling $392.2 million were outstanding, which will expire on various dates through 2015. 
  
  At December 31, 2004, the Company had $237.0 million of restricted cash deposits and $38.7 million of 
  restricted marketable securities held as Ñnancial guarantees, including $119.0 million of restricted cash held 
  for capital expenditures under certain debt facilities, and $34.3 million and $38.7 million of restricted cash and 
  restricted marketable securities, respectively, pledged to regulatory agencies and governmental entities as 
  Ñnancial guarantees of the Company's performance related to its Ñnal capping, closure and post-closure 
  obligations at its landÑlls. The Company's restricted marketable securities consist of mutual funds invested in 
  short-term investment grade securities, including mortgage-backed securities and U.S. Government obliga- 
  tions. These securities are available for sale and, as a result, are stated at fair value based upon quoted market 