Omnibus Mercury Emissions Reduction Act of 1999

[AI summary unavailable — showing source text] Omnibus Mercury Emissions Reduction Act of 1999 - Amends the Clean Air Act to require the Administrator of the Environmental Protection Agency (EPA) to promulgate regulations to establish standards for mercury and mercury compound emissions applicable to: (1) electric utility steam generating units; (2) coal- and oil-fired commercial and industrial boiler units that have a maximum design heat input capacity of ten mmBtu (millions of British thermal units) per hour or greater; (3) chlor-alkali plants that use the mercury cell production process; and (4) dust from Portland cement plants. Requires such units and plants to have permits no later than two years after this Act's enactment. Prescribes a minimum required emission reduction, such that a unit or plant reduce annual poundage of mercury emitted below its mercury emission baseline by at least 95 percent. Authorizes emission trading among electric utility or coal- and oil-fired units contained at a single site if the aggregate annual reduction from all units is at least 95 percent. Requires the Administrator to authorize methods of control of mercury emissions. Sets forth permit requirements, including requirements for monitoring…