Roseburg Forest Products and many other plywood mills across Oregon and the nation hope to receive an extension for installing controls on emissions of formaldehyde and other chemicals they release into the air each year. RFP and other mills, which emit at least 10 tons of a single pollutant or 25 tons of combined chemicals each year, face a Monday deadline. The equipment to reduce emissions costs millions of dollars. The emissions come from pressing veneer plywood and other wood products together by using heat and glue based in carcinogenic formaldehyde. The process also releases methanol, phenol, acrolein, acetaldehyde and …