The rating on Louisiana Local Government Environmental Facilities Authority revenue bonds (Bioset of Shreveport, LLC project) series 2002A has been raised to 'A-/A-2' from 'BBB+/A-2'. This action follows Standard&Poor's Ratings Services April 15, 2004, upgrade of Hibernia National Bank, the letter of credit provider, to 'A-/A-2' from 'BBB-/A-2'. Complete ratings information is available to subscribers of RatingsDirect, Standard&Poor's Web-based credit analysis system, at www.ratingsdirect.com. All ratings affected by this rating action can be found on Standard&Poor's public Web site at www.standardandpoors.com; under Credit Ratings in the left navigation bar, select Find Ratings, then Credit Ratings Search.