Help improve the quality of work in fire investigation units (FIUs) with the industry accepted standard.

NFPA 1321, Standard for Fire Investigation Units, 2025 edition, addresses the minimum requirements relating to the establishment, structure, operation, and management of fire investigation units (FIUs).

This standard aims to help fire investigation units improve the quality of the work products and operations by specifying policy requirements for organizations, including management systems, resources, health and safety, and documentation and reports. Additionally, the standard specifies policy requirements for personnel education, training, and certification.  

The key aspects covered by NFPA 1321 include:

• Organization and structure
• Education and professional development
• Requesting outside resources
• Safety and health
• Interagency collaboration
• Quality assurance and improvement
• Ethics and professional conduct