Original sentence: CWA hazardous substance is discharged or there is a substantial threat of such discharge from any vessel or offshore or onshore facility into or on the navigable.Once a response has been triggered, the USCG or USEPA "is authorized to initiate and, in the case of a discharge posing a substantial threat to public health or welfare of the United States is required to initiate and direct, appropriate response activities when the Administrator or Secretary determines that any oil or.One criticism of the response to the Deepwater Horizon disaster is that the National Contingency Plan places responsibility for command and control in managing serious disaster response with the U.The destruction of the Deepwater Horizon oil platform in 2010 (see Deepwater Horizon explosion) triggered the uncontrolled release of large volumes of crude oil into the Gulf of Mexico (see Deepwater Horizon oil spill).The federal On-Scene Coordinator (OSC) "directs response efforts and coordinates all other efforts at the scene of a discharge or release".The plan, its implementation, and the actions (or inaction) of the federal agencies have been the subject of considerable criticism.The potentially responsible parties (primarily BP) and U.Under the National Contingency Plan, federal agencies should: (1) Plan for emergencies and develop procedures for addressing oil discharges and releases of hazardous substances, pollutants, or contaminants; (2) Coordinate their planning, preparedness, and response activities with one another; (3) Coordinate their planning, preparedness, and response activities with affected states, local governments, and private entities; and (4) Make available those facilities or resources that may be useful in a response situation, consistent with agency authorities and capabilities.federal agencies initiated a response based on plans developed to fulfill the requirements of the National Contingency Plan.waters of the United States, on the adjoining shorelines to the navigable waters, into or on the waters of the exclusive economic zone, or that may affect natural resources belonging to, appertaining to, or under exclusive management authority of the United States"
Edited sentence: The plan places responsibility for command and control in managing serious disaster response with the U