Standard&Poor's Ratings Services affirmed its 'AA+/A-1+' ratings on Weber County, Utah's variable-rate demand hospital revenue bonds, series 2000A and 2000C, issued on behalf of Intermountain Health Care, following the substitution of the standby bond purchase agreements (SBPAs) provided by Landesbank Hessen-Thueringen Girozentrale with ones provided by Bank of New York Mellon. The outlook is stable. The long-term component of our ratings on the bonds is based on the credit quality of Intermountain Health (AA+/Stable), the obligor. The short-term component of our ratings is based on the SBPAs provided by Bank of New York Mellon (A-1+). For each series, the substitute SBPA has an effective date of Dec. 27, 2012, and provides coverage for principal and 35 days of