The purpose of this publication is to provide information regarding the properties, manufacture, shipping, storage, handling, and use of sulfur dioxide. It also describes related regulatory requirements and safe practices in the United States and Canada. This information is intended to complement but not supplant national, state, provincial/territorial, municipal, and insurance company codes and requirements.

The information in this publication is intended for the use of sulfur dioxide shippers, carriers, distributors, repackagers, consumers, equipment designers or installers, safety administrators, and others desiring an introductory knowledge of the subject. Anyone requiring more detailed or specialized information should consult their sulfur dioxide supplier.