Chocolate Bayou Complex, Texas

A petrochemical complex composed of two separate but adjacent facilities, south of the town of Alvin, and about thirty miles south of Houston. The plants have been associated with Oxychemical, Monsanto, Amoco, Ineos, Equistar,Solutia, and LyondellBasell. On site is a polymer plant, using ethylene to produce high density polyethylene (HDPE) resin, a common plastic used in consumer goods and industry. There is also a chemical plant with an olefins unit that produces ethylene, propylene, benzene and butadiene, common feedstocks for chemicals and plastics. The Solutia plant is one of the largest producers of acrylonitrile, used for nylon and acrylic apparel. Other products produced on site include disodium imminodiacetate, used for Monsanto's Roundup herbicide, and Alimet, a dietary supplement used in chicken feed.