Oct 10, 2008. /Lesprom.com/. Verso Paper Corp. announced that its four paper mills have been independently audited and certified to the ISO 14001:2004 environmental management system (EMS) standard. This internationally recognized standard identifies specific requirements for organizations that want to implement a comprehensive EMS aimed at continuous environmental performance improvement. Verso’s mills are located in Bucksport and Jay, Maine; Quinnesec, Mich; and Sartell, Minn. “Continuous environmental performance improvement is at the center of Verso’s sustainability philosophy,” said Verso Vice President for Sustainability Craig Liska. “Achieving ISO 14001:2004 certification of our paper mills is a sign to our customers and other stakeholders not only that we are committed to performance improvement, but that we have the systems, processes and policies in place to make it happen.” Verso Paper Corp. is a leading North American producer of coated papers, including coated groundwood and coated freesheet, and supercalendered and specialty products.