-- U.S. energy company Covanta Holding has issued $460 million of senior unsecured notes. -- We are assigning our 'B' rating to the notes. -- The positive outlook reflects our expectation that predictable cash flow from waste disposal and power contracts should improve consolidated credit metrics over the medium term. NEW YORK (Standard&Poor's) June 30, 2009--Standard&Poor's Ratings Services said today it assigned its 'B' rating to Covanta Holding Corp.'s $460 million cash convertible senior unsecured notes due 2014. The rating on the $325 million senior unsecured convertible debentures due 2027 (as of March 31, 2009 the amount is $374 million with exercise of over-allotment option) is 'B'. The recovery rating on all senior unsecured debt at
