Some are already being pursued, some need to be initiated. There is a need for better, clearer, crisper statements of the regulatory concern and the appropriate acceptance criteria that are valid at any point in time. As noted in the previous chapters, the committee strongly prefers more focused, succinct statements of regulatory prob- lems, criteria, and standards. On the other hand, it is very important to recognize that criteria for regulation cannot always be quantitative and objective. For today's complex systems, this is clearly not al- ways feasible.
Human reliability is a case in point.
Their involvement is needed to be sure that valid issues and constraints, unique to the nuclear power industry, are recognized and addressed. There is a need for the nuclear power industry and its regulator to strengthen its technical infrastructure in digital systems. It is especially necessary in this area to work cooperatively and creatively to husband and mul- tiply the available resources, by working together and carefully selecting the topics to be pursued. The committee commends those efforts and urges their expansion to make best use of the limited resources available. There is a need to formally address the communication problem in a systematic way.