This standard is archived.
NFPA 921:2014 - First added to the OSAC Registry: September 20, 2016. NFPA 921:2017 replaced the 2014 version on the Registry on November 1, 2017.
NFPA 921:2017 - First added to the OSAC Registry: November 1, 2017. Replaced by NFPA 921:2021.