pt.1: Considers S. 2880 and companion H.R. 14905, to authorize appropriations for AEC. Focuses on general budget and reactor development program; pt.2: Continuation of hearings on AEC FY69 authorization. Appendix includes reports. a. "National Accelerator Laboratory, Design Report 1968, Universities Research Associates, " prepared by AEC 1968 (p. 1223-1456). b. "Report of Ad Hoc Panel on Low-Beta Toroidal Plasma Research, " Sept. 1967 (p. 1459-1583). c. "Bronco Oil Shale Study, " prepared by AEC, Interior Dept, CER Geonuclear Corp., and Lawrence Radiation Laboratory, Oct. 13, 1967 (p. 1743-1813).