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Remediation Of A Hexavalent Chromium Release To Groundwater Using Ion-Specific Resins, Nancy E. Milkey Jun 2010

Remediation Of A Hexavalent Chromium Release To Groundwater Using Ion-Specific Resins, Nancy E. Milkey

Proceedings of the Annual International Conference on Soils, Sediments, Water and Energy

In March 1986, during installation of a monitoring well at an industrial electroplating facility a chrome rinse line was pierced by an auger. A six-inch recovery well was installed in the borehole at the release point and the recovered groundwater was pumped directly into the facility’s wastewater treatment plant. In 1998, a site assessment identified elevated hexavalent chromium concentrations in groundwater in this area of the site. The assessment included the installation of monitoring wells which were sampled over several years. The data indicated that the concentrations in this area of the site were increasing. Additional investigations, conducted upgradient of …


Mercury Deposition From Rain And Snow In Virginia, Douglas Mose, James Metcalf Jun 2010

Mercury Deposition From Rain And Snow In Virginia, Douglas Mose, James Metcalf

Proceedings of the Annual International Conference on Soils, Sediments, Water and Energy

Automated stations to collect rain and snow have been used for several years to quantify the weekly amount of mercury in rain and snow, and the weekly amount of precipitation, over much of the United States. Data from the Virginia collection sites in central and west-central Virginia are compiled and may be compared constantly to the on-line data reported from all the collection sites. While the sources for mercury in the atmosphere are numerous, most comes from coal-burning electrical power plants. Other locally significant sources of mercury exist, but none are known in central Virginia. Data show that the atmospheric …


Off-Grid Photovoltaic System In A Temperate Climate Greenhouse In Virginia, Douglas Mose, Evans Mandes, James Metcalf Jan 2010

Off-Grid Photovoltaic System In A Temperate Climate Greenhouse In Virginia, Douglas Mose, Evans Mandes, James Metcalf

Proceedings of the Annual International Conference on Soils, Sediments, Water and Energy

Most buildings require power produced by fossil fuels, the extraction and consumption of which contaminate our environment. The Virginia Center of Basic and Applied Science (CBAS, INC) constructed a building in a remote forested area as a plant and fish nursery (and living space for staff) to be operated by solar electrical power. Comfortable summer interior temperature is facilitated by an open design, 15,000 cubic foot interior, ceiling fans, many large windows and doors, with a large sun-screen eave off the 1000 square foot south-facing roof. Comfortable winter temperature is possible because the building has no tree-shade, thick well-insulated walls …


Forensic Napl Determination And Plume Differentiation – A Case Study, Nathan A. Stevens, Brian D. Moore, Carrie A. Vinch Jan 2010

Forensic Napl Determination And Plume Differentiation – A Case Study, Nathan A. Stevens, Brian D. Moore, Carrie A. Vinch

Proceedings of the Annual International Conference on Soils, Sediments, Water and Energy

Recent developments in laboratory analytical techniques, when combined with application of multivariate statistical analyses allow differentiation and delineation of comingled NAPLs and resultant contaminant plumes. The increase in laboratory expertise and a growing body of relevant studies in case literature have made possible evaluation of petroleum impacted media through relatively standard techniques a reality, and well within the realm of economical site assessments. The application of several methods to determine the number, type, and timing of multiple NAPL releases at a commercial facility in an urban setting will be summarized. The combination of chemical, historical, and statistical techniques has allowed …


Off-Grid Photovoltaic System In A Temperate Climate Greenhouse In Virginia, Douglas G. Mose, Evans Mandes, James Metcalf Jan 2010

Off-Grid Photovoltaic System In A Temperate Climate Greenhouse In Virginia, Douglas G. Mose, Evans Mandes, James Metcalf

International Journal of Soil, Sediment and Water

Most buildings require power produced by fossil fuels, the extraction and consumption of which contaminate our environment. The Virginia Center of Basic and Applied Science (CBAS, INC) constructed a building in a remote forested area as a plant and fish nursery (and living space for staff) to be operated by solar electrical power. Comfortable summer interior temperature is facilitated by an open design, 15,000 cubic foot interior, ceiling fans, many large windows and doors, with a large sun-screen eave off the 1000 square foot south-facing roof. Comfortable winter temperature is possible because the building has no tree-shade, thick well-insulated walls …