This is the list of coastal counties that NOAA recommends for the Bureau of the Censusâ. Statistical Abstract publication series. There are 672 coastal counties including the District of Columbia in the United States. (285 in the Atlantic, 142 in the Gulf of Mexico, 87 in the Pacific, and 158 in the Great. Lakes).
Benzene is a natural constituent of crude oil, and is one of the most elementary petrochemicals. Benzene is an aromatic hydrocarbon and the second [ n ]- annulene ([6]-annulene), a cyclic hydrocarbon with a continuous pi bond.It is sometimes abbreviated Ph âH. Benzene is a colorless and highly flammable liquid with a sweet smell.enzene is an aromatic hydrocarbon and the second [ n ]- annulene ([6]-annulene), a cyclic hydrocarbon with a continuous pi bond. It is sometimes abbreviated Ph âH. Benzene is a colorless and highly flammable liquid with a sweet smell.
Benzene is a solid below 42Â°F (5.6Â°C). DESCRIPTION: Benzene is used to make chemicals used in the manufacture of industrial products such as dyes, detergents, explosives, pesticides, synthetic rubber, plastics, and pharmaceuticals. Benzene is found in gasoline and trace amounts are found in cigarette smoke. Benzene has been banned as an ingredient in products intended for use in the home, including toys. Benzene has a sweet, aromatic, gasoline-like odor. Most individuals can begin to smell benzene in air at 1.5 to 4.7 ppm.