Each Red Dog Shelter is individually stamped and certified by Red Dog Shelters via 3rd party analysis and as authorized by the appropriate Authorities Having Jurisdiction to meet or exceed every major US recognized safety standard for EF-5 tornadoes including the International Code Council (ICC500-2008 American National Standard). The ICC / NSSA STANDARD FOR THE DESIGN AND CONSTRUCTION OF STORM SHELTERS, the National Storm Shelter Association (NSSA) Standard, the Department of Homeland Security/Federal Emergency Management Agency 320 and 361 Guidelines, and the American Society of Civil Engineers ASCE 7-2005 "Minimum Design Loads for Building and Other Structures." Red Dog also certifies all shelters are compliant with the FEMA's Publication "Taking Shelter from the Storm" FEMA P-320, Third Edition/August 2008.