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Revised requirements for outdoor use of electrically powered cooking appliances in residential occupancies
hazardous materials storage and handling
and handling of hydrogen in both compressed gas and cryogenic liquid forms
Clarification on sprinkler requirements for closets with no doors
Revised alcohol-based hand-rub dispenser and storage requirements
2021 NFPA 921 Guide for Fire and Explosion Investigations Flammable Liquids Code Revised requirements for outdoor useNFPA 921, Guide for Fire and Explosion Investigations 2021 edition provides the scientific framework for conducting fire and explosion investigations from establishing origin and cause through documenting findings for legal proceedings. The guide covers application of the scientific method in origin and cause investigations, evidence collection and handling for court admissibility, fire pattern analysis, arc mapping, explosion dynamics, and sources of