1.1 This specification covers the design and fabrication of metal components for Flue Gas Desulfurization (FGD) equipment, including absorbers, tanks, chimney liners, ductwork and associated equipment that are to be lined for corrosion or This specification covers the design and fabrication of metal components for flue gas desulfurization equipment, including absorber, tanks, chimney liners, ductwork, and associated equipment intended for use in protective lining applications, that are