Amends the Fire Investigation Act. Directs the Office of the State Fire Marshal to investigate the cause, origin, and circumstances of a fire or an explosion in which fire is presumed to be a contributing factor in a death, and lists related procedures and requirements. Provides that the reporting of fires, hazardous material incidents, and other incidents shall be based upon the nationally recognized standards of the United States Fire Administration's National Emergency Response Information System (rather than the National Fire Incident Reporting System). Effective immediately.