Mar 30, 2009. /Lesprom Network/. White Birch Paper Company will take market related downtime at its Papier Masson mill in Masson Angers, Quebec. The planned shutdown will take place from April 3, 2009 through April 13, 2009 and will result in approximately 7 thousand metric tons of reduced newsprint production, as the company informed Lesprom Network. White Birch will maintain adequate inventories to ensure that its customers will not experience any service interruptions during the shutdown. White Birch Paper Company is the second largest newsprint manufacturer in North America, with approximately 1.25 million metric tons of uncoated groundwood production capacity. In addition to newsprint, White Birch produces uncoated specialty paper, directory paper and paperboard at its mills located in Quebec City, Riviere-du-Loup and Gatineau, Quebec and Ashland, Virginia.