Advisory Council on Clean Air Compliance Analysis Advisory on the Clean Air Act Amendments (CAAA) of 1990 Section 812 Prospective  Overview of Air Quality and Emissions  Modeling, Health and Ecological Valuation Issues Initial Studies.
The Clean Air Act Amendments were made in 1990.
The broad, sweeping terraces offer magnificent views; statuary rears up out of ornamental lakes; deer roam the parklands; and the Dargle obligingly throws itself over 122 m (400 ft) of rock to form the highest waterfall in Ireland (4 km/21.2 miles from the main estate).