Harold Gene Richter (March 5, 1925 - July 19, 2001) was an American chemist noted for his development of new analytical techniques for determination of water and air quality.Much of his career was spent at the Research Triangle Institute in Durham, North Carolina. Richter conducted research involving radioisotopes for the United States Atomic Energy Commission. He was a project officer for the Environmental Protection Agency, specializing in techniques for monitoring water and air quality. Richter developed new methods of analysis and monitoring during his tenure with both agencies.