Public Service: The Washington (N.C.) Daily News. For revealing that the city water supply was contaminated with carcinogens, a problem that local officials neither disclosed nor corrected over a period of eight years.

The Philadelphia Inquirer. For reporting by Gilbert M. Gaul that disclosed how the American blood industry operates with little government regulation or supervision.

General News Reporting: The Staff, San Jose (Cal.) Mercury News. For its detailed coverage of the 17 October 1989 Bay Area earthquake and its aftermath.

National Reporting: Ross Anderson, Bill Dietrich, Mary Ann Gwinn, and Eric Nalder, The Seattle Times. For coverage of the Exxon Valdez oil spill and its aftermath.

International Reporting: Nicholas D. Kristof and Sheryl Wu Dunn, The New York Times. For knowledgeable reporting from China on the mass movement for democracy and its subsequent suppression.

Editorial Writing: Thomas J. Hylton, The Pottstown (Pa.) Mercury. For his editorials about a local...