What is the recommended control for a physical evidence storage area?

The recommended control for a physical evidence storage area being managed by a fire investigator is critical for ensuring the integrity and security of evidence. When a fire investigator controls access to these areas, it helps to maintain a chain of custody, protect the evidence from tampering, and ensure that only authorized personnel are handling items that may be crucial for investigations and legal proceedings.

Having a designated investigator in charge also allows for proper documentation of who accesses the evidence, when it is accessed, and any actions taken regarding it. This control measure is essential for preserving the legal standing of the evidence and for conducting thorough and effective investigations.

The other options compromise the integrity and safety of the evidence. Allowing unauthorized personnel access can lead to contamination or loss of evidence, while open public access undermines security entirely. Utilizing standard storage facilities without appropriate control measures could also lead to risks of mishandling or loss of critical investigative materials. Thus, the control by a fire investigator is paramount for maintaining the evidence's reliability and usefulness in the investigation process.