Final answer:
The results of Commodity Flow Surveys can be obtained from the Census Bureau, which compiles monthly records of import and export documents. The surveys cover transportation and travel and make adjustments for financial services produced in the United States for foreign customers. This information can be cross-checked with other available data.
Step-by-step explanation:
Results of Commodity Flow Surveys which outline the types of hazardous materials being shipped through your community can be obtained from the Census Bureau. The Census Bureau compiles monthly records of all import and export documents, including surveys that cover transportation and travel.
These surveys make adjustments for financial services produced in the United States for foreign customers. This information on hazardous materials can be cross-checked with other available data, such as data from the shipping industry and data collected by other countries on their foreign trade with the United States.