What category is associated with low levels of radioactivity?

The category associated with low levels of radioactivity is known as category I, which is typically designated as White. This classification is part of the standardized labeling system used to communicate the hazards of radioactive materials.

Category I indicates that the material presents a minimal radiological hazard. This means that the level of radiation is low enough that, under normal conditions, it does not pose a significant risk to health or safety for individuals handling or in proximity to the material. These items can often be transported with fewer restrictions and may require less shielding compared to materials in higher-risk categories.

In contrast, the other categories represent increasing levels of radiation and associated hazards. Category II, also labeled as Yellow, identifies materials with higher levels of radioactivity, requiring more stringent safety measures. Category III, which is another Yellow designation, typically indicates a higher risk than Category II but still falls below the most hazardous materials. Finally, Category IV, marked as Red, signifies materials that are extremely hazardous and require the highest level of control and safety precautions. Understanding these categories is crucial for safely handling and transporting hazardous materials.