((a)) The President shall, to the extent appropriate, and in keeping with the particular enforcement requirements of each Act referred to herein, insure the coordination of regulatory and inspection activities among the departments, agencies, and instrumentalities to which such activities are assigned by this chapter, by the Clean Air Act [ et seq.], by the Water Pollution Control Act [ et seq.], by the Department of Energy Organization Act [ et seq.], and by existing or subsequently enacted Federal mine safety and health laws, except that no such coordination shall be required with respect to mine safety and health inspections, advance notice of which is or may be prohibited by existing or subsequently enacted Federal mine safety and health laws.

((b)) The President may execute the coordination required by this section by means of an Executive order, or by any other mechanism he determines to be appropriate.