calgon carbon corporation (nyse:ccc), and its european operation chemviron carbon, is a global manufacturer, supplier and developer of granular activated carbon, innovative treatment systems, value added technologies, and services for optimizing production processes and safely purifying the environment. calgon carbon is the world's largest original manufacturer of granular activated and powdered carbon. in addition, calgon carbon also has the industry's largest r&d department and private fleet of bulk trailers.

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