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April 05, 2002

Natural Phenomena Hazards Characterization Criteria,

Replaced by DOE-STD-1020-2012 | Change Notice No. 1 (January 1996) | Reaffirmed with Errata (April 2002)

The Department of Energy (DOE) has established policy and requirements for natural phenomena hazard (NPH) mitigation for DOE sites and facilities using a graded approach as specified by DOE O 420.1, “Facility Safety” and associated NPH Guide G 420.1-2.