Which NFPA document outlines professional qualifications for fire investigators?

The document that outlines professional qualifications for fire investigators is NFPA 1033. This standard specifically addresses the minimum qualifications for individuals performing fire investigation duties, ensuring they possess the necessary knowledge and skills to effectively investigate and analyze fire scenes. NFPA 1033 establishes a framework for certification and training programs, which is essential for maintaining professional standards in the field of fire investigation. By detailing the competencies required, it helps ensure that fire investigators are competent and capable of performing thorough and accurate investigations, which is critical for both legal and safety outcomes.

Other documents mentioned, such as NFPA 921, primarily focus on fire investigation guidelines and methodologies rather than setting qualifications for investigators themselves. The NFPA 19.4.42 reference does not pertain to fire investigation qualifications, and NFPA 703 deals with fire-resistive materials and construction, which doesn't relate to investigator qualifications either. Therefore, NFPA 1033 is the appropriate standard for professional qualifications in fire investigation.