No person may discharge air contaminants into ambient air within a region in such manner as to violate ambient air quality standards established under this chapter or emission standards established pursuant to section 585, 585-B or 585-K. [2007, c. 584, §2(AMD).]
When the board, pursuant to section 590, has by rule provided that no person may operate or maintain within a region any air contamination source or emit any air contaminants without an emission license from the department, the operation or maintenance without that license is prohibited. [1989, c. 890, Pt. A, §40(AFF); 1989, c. 890, Pt. B, §166(AMD).]
38 M.R.S. § 591