Standard&Poor's Ratings Services affirmed its 'A+/A-1' rating on Washington Health Care Facilities Authority's (Southwest Washington Medical Center) variable-rate revenue bonds series 2008B, due to the bank facility being extended to May 25, 2014. The long-term and short-term components of the rating are based on the rating on Bank of America N.A. Criteria: Methodology And Assumptions: Approach To Evaluating Letter Of Credit-Supported Debt, July 6, 2009