Williams Transco Central Penn Line South. Williams Transco Central Penn Line South. Unlike liquid petroleum product pipelines, where the main risk is a leak leading to contamination of water and soil, the main risk with a high-pressure natural gas pipeline is a rupture and ensuing fire.
The White House today holds 142 rooms on six floors, the floor space totaling approximately 55,000 square feet. It has hosted longstanding traditions such as the annual Easter Egg Roll, as well as historic events like the 1987 nuclear arms treaty with Russia.
The White House, located in Washington, D.C. , is the president's official residence and the center of the administration. Under the United States Constitution, the President of the United States is the head of state and head of government of the United States. As chief of the executive branch and face of the federal government as a whole, the presidency is the highest political office in the United States by influence and recognition.