What is defined as the uncontaminated area of a hazardous materials site?

The area defined as the uncontaminated zone at a hazardous materials site is often referred to as the Support Zone. This zone serves as a safe area where personnel, equipment, and support activities can occur without risk of exposure to contaminants. It is critical for staging resources, conducting necessary operations, and providing a location for medical support and decontamination, should it be required.

In contrast, the other zones serve specific purposes related to contamination levels. The Safety Zone is a term that can refer more broadly to areas deemed safe, but it is not the technical term used in hazardous materials operations. The Exclusion Zone is the area where hazardous materials are present and where access is restricted to only those trained and equipped to handle contamination. The Contamination Zone is where the hazardous materials are present, posing risks of exposure.

Understanding these zones is crucial for the safety and effectiveness of hazard response operations and ensures that responders can operate safely and efficiently while managing hazardous materials.