NFPA, National Fire Protection Association

NFPA main website

NFPA 2112 - Standard on Flame-Resistant Garments for Protection of Industrial Personnel Against Flash Fire This document sets instrumented manikin test fail as greater than 50 percent body burn at 3 seconds of exposure to flame.

NFPA 2113 - Standard on Selection, Care, Use, and Maintenance of Flame-Resistant Garments for Protection of Industrial Personnel Against Flash Fire