Wastewater / Plasmine Technology Inc. / Packaging Corporation of America / The Pine Chemicals Association Inc. / Eastman Chemical Co. / Georgia-Pacific Resins Inc. / Koch Materials Co. / Cognis Corporation / ICI Americas (including the former Uniqema) Inland Paperboard & Packaging Inc. International / Mead Corp. / Rayonier / McConnaughay Technologies Inc. / Hercules Inc. / Stone Container Corporation / Westvaco Weyerhaeuser Co. / Russell / Champion International Corporation / Company Asphalt Emulsion Manufacturers Association Boise Cascade Corporation / Akzo Nobel Resins Akzo Nobel - Eka Chemicals Incorporated / /