Understanding DOT Class 7 Materials: Radioactive Materials


DOT Class 7 materials: radioactive materials

Definition of DOT Class 7: Radioactive Materials

Class 7 covers radioactive materials.

The formal definitions associated with Class 7 can be found in 49 CFR 173.403.

Class 7 materials are highly specific in regulations associated with them. Only a properly trained professional should be handling and packing Class 7 materials.

Types within Class 7

Different types of sub-classifications are used in Class 7.

Normal Form is the default type of Class 7 material. There is also a Special Form Class 7 material, which is a non-dispersible solid radioactive material or radioactive material in a sealed capsule, which meets the requirements of the definition.

There are Type A and Type B quantities. Type A packages are a form of limited quantity, defined by ranges of radionuclide values. Type B packages have radionuclide values greater than the limits for Type A. These types determine what form of packaging is required for a given shipment of radioactive material.

Relationship Between Class 7 and OSHA Hazard Classifications

OSHA Hazard Classification under the Hazard Communication Standard does not cover radioactive substances, explicitly excluding both ionizing and nonionizing radiation. 


Popular posts from this blog

Orange Oil Safety Guide

Mica Powder Safety Guide

Safety Glasses versus Safety Goggles - Which to Wear?