Discuss objectively the need for and the application of Hazmat regulations to society

Discuss objectively the need for and the application of Hazmat regulations to society. Do not discuss the regulations themselves or any issue related to regulatory compliance or non compliance.

Identify and characterize the two major types (not classes) of material that are regulated, think in terms new materials versus used and/or excess materials or materials where they do not belong (correct terminology is critical here). It is inappropriate to refer back to regulatory sources to address this topic