NEW YORK (Standard&Poor's) May 18, 2009--Standard&Poor's Ratings Services said today that Covanta Holding Corp.'s plans to issue about $300 million of convertible senior unsecured notes will not affect the corporate credit ratings on Covanta Holding and Covanta Energy Corp. (both BB-/Positive/--). The company will likely use proceeds to fund the construction of a new waste–to-energy facility in Dublin, Ireland.