The Board of Directors of Calgon Carbon Corporation has declared a quarterly dividend of $0.05 per share on its common stock payable on June 15 to stockholders of record on June 5. First-quarter results were also announced. Activated carbon segment sales were $126.2 million, an increase of $16.2 million (a 14.7 percent increase over the same period a year ago). Sales related to new business contributed $13.2 million to the increase. Activated carbon segment sales related to Calgon Carbon’s legacy business increased $3.0 million (or 2.7 percent) due primarily to higher potable water, mercury removal and specialty market product sales in the Americas.