Creosote from both oil shale and petroleum, and are known as oil-tar creosote when derived from oil tar, and as water-gas-tar creosote when derived from the tar of water gas. Creosote also has been made from pre-coal formations such as lignite, yielding lignite-tar creosote, and peat, yielding peat-tar creosote. The term creosote has a broad range of definitions depending on the origin of the coal tar oil and end use of the material. With respect to wood preservatives, the United States Environmental Protection Agency (EPA) considers the term creosote to mean a pesticide for use as a wood preservative meeting the
Wright's Coal Tar Soap Tar Soap section of the business. Readers of the "Country-Side" magazine in 1906 were offered the chance to buy an inexpensive cabinet frame for one shilling, in which they could stack twelve empty Wright's Coal Tar Soap packets to act as sliding drawers in a cabinet for natural history specimens. As the editorial mentioned: ""the measurements have been chosen because so many of our readers are users of Wright's Coal Tar Soap"". Wright's Coal Tar Soap was a regular advertiser in the magazine. By 1909 the company was one of the leading pharmaceutical houses in the country, and in that