Natural-gas processing at ambient conditions (i.e., pentane and heavier) are called "natural-gas condensate" (sometimes also called "natural gasoline" or simply "condensate"). Natural gas is called "sweet gas" when relatively free of hydrogen sulfide; gas that does contain hydrogen sulfide is called "sour gas". Natural gas, or any other gas mixture, containing significant quantities of hydrogen sulfide, carbon dioxide or similar acidic gases, is called "acid gas." Raw natural gas can also come from methane deposits in the pores of coal seams, and especially in a more concentrated state of adsorption onto the surface of the coal itself. Such gas is referred to
Natural Gas Act of 1938 driver of natural gas regulation and monitoring of the market. Chronology of amendments to the Natural Gas Act of 1938. Natural Gas Act of 1938 The Natural Gas Act of 1938 was the first occurrence of the United States federal government regulating the natural gas industry. It was focused on regulating the rates charged by interstate natural gas transmission companies. In the years prior to the passage of the Act, concern arose about the monopolistic tendencies of the transmission companies and the fact that they were charging higher than competitive prices. The passage of the Act gave the Federal Power