As home to supermajors, as well as a plethora of smaller, independent energy players, the US boasts one of the largest concentrations of energy personnel in the world. With its insatiable appetite for energy resources, the United States is the world's single largest consumer of oil, using as much as 20.73 million barrels per day as of 2008. Recently, interest has peaked in the vast quantity of untapped natural gas resources in the US, the reserves of which were inventoried in 2008 at 238 Tcf, with producers specifically targeting the nation's promising shale formations for this energy commodity.
Waste is an unwanted by-product or substance that can be solid, liquid or gas. Waste materials may pose a threat and need specialized processes to handle and dispose. Waste Management covers the procedures and resources required for proper handling and disposal of waste materials in accordance with health codes and environmental regulations.