Section 63.2983 - What emission limits must I meet?(a) You must limit the formaldehyde emissions from each drying and curing oven by either: (1) Limiting emissions of formaldehyde to 0.03 kilograms or less per megagram (0.05 pounds per ton) of fiberglass mat produced; or(2) Reducing uncontrolled formaldehyde emissions by 96 percent or more.