Uncertainty, Model : Uncertainty in the predictions of a model related to the equations in the model being correct, whether or not they are appropriate to the problem being solved, and whether or not they are sufficiently complete
NFPA 805 Performance-Based Standard for Fire Protection for Light Water Reactor Electric Generating Plants, 2006 ed. http://www.nfpa.org/assets/files/AboutTheCodes/805 /805-F2005-ROP.pdf, (Std: Performance-Based Fr Prac for Light Wtr Reactor Electr Gen Plants - Amer) {350 NFC}