What type of packaging is used for exempt specimens?

The correct answer is that exempt specimens utilize leak proof 1B packaging. This type of packaging is specifically designed to prevent any potential leakage and is crucial in ensuring the safe transport of substances that may pose a risk during transport. Leak proof 1B packaging meets the stringent requirements set by regulations concerning the transport of dangerous goods, specifically when the materials being transported do not meet the criteria for full compliance but still require some level of containment to protect public safety and the environment.

Leak proof 1B packaging is uniquely suited for exempt specimens, as it can effectively contain biological materials that pose little risk but still need to be handled with care to avoid any contamination or spills. This ensures that while these specimens may not meet the classification as high-risk materials, they are still managed in a way that minimizes risk.

Other types of packaging, such as barrier packaging and rigid outer packaging, are essential in certain scenarios depending on the material classification, but they do not specifically address the requirements for exempt specimens as directly as leak proof 1B packaging does. Standard cardboard packaging may provide some level of protection, but it does not necessarily have the leak-proof characteristics or certification required for transporting exempt specimens.