1. Describe how risk management is an important concept in managing the transportation activities of hazardous materials. Identify a potential high-risk hazmat that is transported, and describe how you would assess potential threats to the cargo that could take place while it is in transport. Your response should be at least 75 words in length. 2. Explain the four concepts of the HMR as issued by the U.S. Department of Transportation. How do these four areas assist companies with minimizing potential risks when transporting hazmat? Your response should be at least 75 words in length.