Elton Chemical Plant discharges around three thousand liters of toxic chemicals into the air every day containing carbon monoxide, sulfur dioxide, hydrocarbons, and lead. These substances exceed the limits that were determined by the Maryland Department of Air and Water Pollution Control to maintain the quality of the air in the Greater Washington Metropolitan Area. It also discharges nitrogen dioxide in excess of permit limits. This element is extremely poisonous to humans, as well as crops and birds. Which law does Elton violate?What is the purpose of that law, and which government agency is responsible for its enforcement?How big a penalty could be imposed on Elton as a result of the violation?