The document summarizes the roles and responsibilities of several US government agencies and organizations: - The Consumer Product Safety Commission protects the public from unreasonable risks from consumer products. - The Food and Drug Administration regulates food, drugs, medical devices and other products to protect public health and safety. - The Department of Transportation oversees transportation systems across the US and works with state agencies. - The Environmental Protection Agency leads environmental science efforts and protects human and environmental health. - The Federal Trade Commission pursues law enforcement and protects consumer interests related to fair business practices.