Rentech Inc was incorporated on December 18, 1981 in the state of Colorado. The Company, through its subsidiary, Rentech Nitrogen Partners, L.P., or RNP, produces nitrogen fertilizer products in the United States for sale in North and South America. It also has operations and conduct development activities in the wood fibre processing industry in North and South America. It offers a range of integrated fibre services including, wood chipping, operations, marketing, trading and vessel loading. It transforms wood fibre into wood chips and wood pellets and natural gas and other products into nitrogen fertilizer. At its facility in East Dubuque, Illinois, or the East Dubuque Facility, RNP manufactures nitrogen fertilizer products, primarily anhydrous ammonia, or ammonia, and urea ammonium nitrate solution, or UAN, using natural gas as its primary feedstock. At its facility in Pasadena, Texas, or the Pasadena Facility, RNP manufactures ammonium sulfate, ammonium thiosulfate and sulfuric acid, using ammonia and sulfur as its primary feedstocks. The Company operates in five business segments; East Dubuque, Pasadena, Fulghum Fibres, Wood Pellets, and Energy technologies. Its East Dubuque segment is designed to produce ammonia, UAN, liquid and granular urea, nitric acid and CO2 using natural gas as a feedstock. Its Pasadena segment produces ammonium sulfate, sulfuric acid and ammonium thiosulfate. The Fulghum Fibres segment provides wood fibre processing services and wood yard operations, sells wood chips to the pulp, paper and packaging industry, and owns and manages forestland and sells bark to industrial consumers in South America. The Wood Pellets segment includes wood pellet projects owned by the Company, currently the Atikokan Project and Wawa Project, equity in the Rentech/Graanul JV and wood pellet development costs. The wood pellet development costs represent the Company's personnel costs for employees dedicated to the wood pellet business and other supporting third party costs. The Energy technologies segment owns technologies designed to convert low-value, carbon-bearing solids or gases into valuable hydrocarbons and electric power, when combined with certain third party technologies. This segment includes the Company's research and development activities. The Company competes with a number of domestic and foreign producers of nitrogen fertilizer products. The Company's business is subject to extensive and frequently changing federal, state and local, environmental, health and safety regulations governing a range of matters, including the emission of air pollutants, the release of hazardous substances into the environment, the treatment and discharge of waste water and the storage, handling, use and transportation of its fertilizer products, raw materials, and other substances that are part of its operations.