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...regate source (40% of U.S. mercury emissions in 1999). This includes power plants fueled with gas where the mercury has not been removed. Emissions from coal ...rt opinion cited the negative impact on human health from coal fired power plants' mercury emissions documented in the EPA Study Report to Congress of 1998.<

...an important chemical for [[water purification]] (such as water treatment plants), in [[disinfectant]]s, and in [[bleach]]. Chlorine in water is more than t ...resource produced by Eurochlor - the business association of the European chlor-alkali industry

...ced from the plant.<ref name = erowid>Erowid. 2006. [http://www.erowid.org/plants/cannabis/cannabis_basics.shtml ''Cannabis'' Basics]. Retrieved on 25 Februa ...minate and pistillate structures on individual flowers, whereas monoecious plants bear male and female flowers at different locations on the same plant. Male