1. Reactor site criteria — Seismic and geological siting criteria;Federal Regulation 10CFR,1973
2. North Anna — 1, Preliminary safety analysis report, Section 2,1969
3. Vibratory ground motion, acceptance criteria, Section 2.5.2.II.7,1975
4. Regulatory Guide 1.60, Design response spectra for seismic design of nuclear power plants, Revision 1,1973
5. Damping values for seismic design of nuclear power plants, Regulatory Guide 1.61,1973