Group of Documents regarding waste disposal, June-December 1980. Included is a letter from Dr. John Burdine to William P. Clements, Jr., regarding radioactive waste disposal, October 22, 1980. Also attached is a report by Dr. John Burdine regarding radioactive waste disposal, June 19, 1980. Also attached is a letter from Clements to Burdine, regarding waste disposal, November 7, 1980. Also included is a letter from Dr. John Burdine to Dr. Milton Holloway, regarding nuclear waste disposal, December 19, 1980.