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Full-Text Articles in Physical Sciences and Mathematics
Groundwater Quality In Kentucky: Mercury, Bart Davidson, R. Stephen Fisher
Groundwater Quality In Kentucky: Mercury, Bart Davidson, R. Stephen Fisher
Information Circular--KGS
Mercury is a naturally occurring metal that occurs in trace amounts in water, soils, and rocks. Elemental mercury is a liquid that occurs in some ore deposits; it may also be concentrated around hot springs. Currently, about 50 percent of mercury use is for electrical products such as dry-cell batteries, fluorescent lights, switches, and other control equipment. Mercury is also used in the electrolytic preparation of chlorine gas and caustic soda, and in paint manufacture and pesticide production (U.S. Environmental Protection Agency, 2002). In the past, significant amounts of mercury were used in thermometers and pressure gauges.
Groundwater Quality In Kentucky: Selenium, Bart Davidson, R. Stephen Fisher
Groundwater Quality In Kentucky: Selenium, Bart Davidson, R. Stephen Fisher
Information Circular--KGS
Selenium is a naturally occurring element found in most rocks and soils (Agency for Toxic Substances and Disease Registry, 2003). In its solid form, selenium is black, gray, or red and is odorless (New Jersey Department of Health and Senior Services, 2002). Most selenium is obtained from byproducts of the copper refining industry. Selenium compounds are often used in electronic components, photocopiers, metal alloys, rubber, paint pigments, glass-making (ruby red glass), and photographic emulsions (U.S. Environmental Protection Agency, 2003). Selenium exhibits both photovoltaic and photoconductive properties. As more light shines on selenium, its electrical conductivity increases, making it extremely useful …
Groundwater Quality In Kentucky: Cadmium, Bart Davidson, R. Stephen Fisher
Groundwater Quality In Kentucky: Cadmium, Bart Davidson, R. Stephen Fisher
Information Circular--KGS
Cadmium is a metallic element that occurs naturally in the earth's crust, especially in zinc-, lead-, and copper-bearing ores (Forstner and Whittmann, 1981). Pure cadmium is a soft silver-white metal, but is rarely found naturally in its pure form. It is commonly combined with other elements, such as oxygen (cadmium oxide) and sulfur (cadmium sulfate).
Generalized Geologic Map For Land-Use Planning: Gallatin County, Kentucky, Richard A. Smath, Bart Davidson, Daniel I. Carey, John D. Kiefer, Ken Daniels
Generalized Geologic Map For Land-Use Planning: Gallatin County, Kentucky, Richard A. Smath, Bart Davidson, Daniel I. Carey, John D. Kiefer, Ken Daniels
Map and Chart--KGS
This map is not intended to be used for selecting individual sites. Its purpose is to inform land-use planners, government officials, and the public in a general way about geologic bedrock conditions that affect the selection of sites for various purposes. The properties of thick soils may supercede those of the underlying bedrock and should be considered on a site-to-site basis. At any site, it is important to understand the characteristics of both the soils and the underlying rock.
Changes In Groundwater Quality In A Conduit-Flow-Dominated Karst Aquifer As A Result Of Best Management Practices, James C. Currens
Changes In Groundwater Quality In A Conduit-Flow-Dominated Karst Aquifer As A Result Of Best Management Practices, James C. Currens
Report of Investigations--KGS
Water quality in the Pleasant Grove Spring karst groundwater basin was monitored to determine the effectiveness of best management practices (BMP’s) implemented through the U.S. Department of Agriculture’s Water Quality Incentive Program (WQIP). The project was divided into three phases. Phase I, beginning in August 1990, was the initial reconnaissance of the hydrogeology and water quality of the basin. Phase II, beginning in October 1993, monitored the water quality for 1 year prior to BMP implementation. This phase was followed by a 1-year interim extension, which continued the monitoring. Phase III monitored the water quality during and following BMP implementation. …
Generalized Geologic Map For Land-Use Planning: Kenton County, Kentucky, Richard A. Smath, Bart Davidson, Daniel I. Carey, John D. Kiefer
Generalized Geologic Map For Land-Use Planning: Kenton County, Kentucky, Richard A. Smath, Bart Davidson, Daniel I. Carey, John D. Kiefer
Map and Chart--KGS
This map is not intended to be used for selecting individual sites. Its purpose is to inform land-use planners, government officials, and the public in a general way about geologic bedrock conditions that affect the selection of sites for various purposes. The properties of thick soils may supercede those of the underlying bedrock and should be considered on a site-to-site basis. At any site, it is important to understand the characteristics of both the soils and the underlying rock.
Generalized Geologic Map For Land-Use Planning: Crittenden County, Kentucky, E. Glynn Beck, David A. Williams, Daniel I. Carey
Generalized Geologic Map For Land-Use Planning: Crittenden County, Kentucky, E. Glynn Beck, David A. Williams, Daniel I. Carey
Map and Chart--KGS
This map is not intended to be used for selecting individual sites. Its purpose is to inform land-use planners, government officials, and the public in a general way about geologic bedrock conditions that affect the selection of sites for various purposes. The properties of thick soils may supercede those of the underlying bedrock and should be considered on a site-to-site basis. At any site, it is important to understand the characteristics of both the soils and the underlying rock.