On the hazardous materials table, column 1 shows ___.

Column 1 of the hazardous materials table specifically indicates the shipping mode to which the information within that row pertains. This is crucial as it outlines the various modes of transportation—such as highway, rail, air, or water—ensuring that the appropriate guidelines and regulations for handling and transporting hazardous materials are followed. This classification allows shippers and carriers to understand the necessary precautions and requirements based on how the materials will be transported, which is essential for safety and compliance in the logistics of hazardous materials.

Understanding this particular aspect of the hazardous materials table is vital for anyone involved in the transport of such goods, as adhering to the specified shipping mode helps in mitigating risks associated with the transportation of hazardous substances.