Which Special Provision number is associated with certain hazardous substances?

The correct choice is associated with the Special Provision number that pertains specifically to certain hazardous substances. Special provisions are used in international transport regulation, particularly under the United Nations' model regulations for the transport of dangerous goods.

Special Provision 13 specifically addresses the requirements for specific hazardous materials, detailing how they should be packaged, labeled, and transported. This is crucial for ensuring safety in handling and transportation, as it caters to the unique characteristics of these substances and provides guidelines to prevent accidents or incidents during transport.

The importance of Special Provision 13 lies in its role in facilitating compliance with safety standards and ensuring that those involved in the transport of these hazardous substances are made aware of the specific risks and required handling protocols. Understanding these provisions is essential for anyone working in fields related to hazardous materials and transportation safety.