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Another goal of the grant is to document historical changes in sources and cycling of nutrients as a result of water regulation in the Middle Rio Grande by analyzing historical specimens archived in the MSB . Amendments to Section 118 of the federal Clean Water Act in 1990 to improve the effectiveness of EPA 's existing programs in the Great Lakes . He has published more than 850 scientific papers in the areas of renal sodium and water regulation in cardiac and liver failure , autosomal dominant polycystic kidney disease , acute renal failure and diabetic kidney disease . Monitoring activities expanded substantially after the passage of Connecticut 's Clean Water Act in 1967 and the Federal Water Pollution Control Act Amendments of 1972 . Guatemalan teachers participate in one of the water activities in the Mangrove Action Project 's ( MAP 's ) 3-day teachers ' workshop in Tilapa , Guatemala . Coordinates quality of water activities in Water Science Centers and technology transfer with National Water-Quality Laboratory , Branch of Quality Assurance , and the National Research Program ( NRP ) . This report , analyzing the impact of international cereal trade on the global water use , argues that the role of virtual water trade in global water use is modest . Since the enactment of the Clean Water Act in 1972 , we have achieved remarkable improvements in many of our Nation 's water resources . I wish this important seminar fruitful deliberations leading to enhanced gender mainstreaming in water activities in Africa and implementation and achievement of the African Water Ministers ' gender commitments . In the first years after adoption of the U.S. Clean Water Act in 1977 , pesticides were not an enforcement priority as EPA and state programs focused on reducing point source pollutants from manufacturing , processing , power generation , water treatment facilities and others . I wish this important seminar fruitful deliberations and I hope you will come up with recommendations , we , African water ministers , would benefit from your meeting in our commitment to mainstream gender issues in all water activities in Africa and in implementation of the African Water Ministers ' gender commitments . Some of the water placed in a glass was of a pale reddish tint ; and , examined under a microscope , was seen to swarm with minute animalcula darting about , and often exploding .