What should you do if you discover missing hazardous material?

In the context of discovering missing hazardous material, all the steps mentioned are critical for ensuring safety and proper procedure. Reporting to security is essential because they are responsible for managing safety protocols and may have the authority to take further action, such as initiating an investigation or alerting relevant authorities. Well documenting the incident ensures there is a clear and accurate record of what occurred, which is crucial for understanding the circumstances surrounding the missing material and for any subsequent investigations. Investigating the situation can help determine how the material went missing and whether it poses any immediate risk to safety or violation of regulations. Therefore, considering the importance of each step, the comprehensive approach of taking all these actions together effectively addresses the situation and maintains safety standards.