‘Breeder’ Reactor Plan Facing Delays
US's breeder reactor program, nation's most costly energy-research project, is suffering delays and large cost overruns that have forced re-examination of effort's pace and scope; AEC advisory panel under Dr H Bethe has strongly endorsed basic objectives of breeder program but has harshly criticized recent US steps toward this goal; Bethe int on issue; panel recommended changes in design and emphasis of test reactor being built at Hanford Works in Washington and of demonstration power plant to be built in Tenn; Bethe says Tenn plant should be built in commercially-oriented fashion desired by indus contractors, Westinghouse Elec Co, GE and Atomics Internatl Div of Rockwell Internatl Corp; among those serving with Bethe on panel were Dr C Starr and W Zinn; Hanford reactor, called Fast Flux Test Facility, is being built by Westinghouse Hanford Co, which took over project in '70 fron Battelle-Northwest, an arm of Battelle Memorial Institute; original and current cost estimates discussed; AEC Chmn D L Ray recent acknowledgement of cost problems noted; recent statement by W B Behnke, chmn of Project Mgt Corp, which is managing Tenn project, on costs there also noted; Prof M Driscoll comments on problem