The American experience with respect to electrical power production has undergone and is undergoing considerable evolution. Early, frequently strident debates tended to focus on the risks and benefits of only one pos sible power source (nuclear), and on one possible hazard (radiation from routine releases). Discussions and analyses now have tended to become more moderate, and deal with not only one but all feasible power sources, as well as the costs and benefits associated with fuel production, the operation of such sources, fuel transportation and waste disposal. Radiation from routine...