What Are the Clean Air Act Requirements?
Sections 111(d) and 129 of the Act require states to submit plans to control certain pollutants (designated pollutants) at existing solid waste combustor facilities and MSW Landfills (designated facilities) whenever standards of performance have been established under section 111(b) for new sources of the same type and EPA has established emission guidelines (EG) for such existing sources. A designated pollutant is any pollutant for which no air quality criteria has been issued and which is not included on a list published under section 108(a) (national ambient air quality standards) or section 112 (hazardous air pollutants) of the Act, but emissions of which are subject to a standard of performance for new stationary sources (NSPS). In addition, section 129 of the Act also requires EPA to promulgate EG for solid waste combustion units that emit a mixture of air pollutants. These pollutants include organics (dioxins and dibenzo furans), carbon monoxide, metals (cadmium, lead and mercur