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Forensic Hydrogeography : Assessing Groundwater Arsenic Concentrations and Testing Methods within the Harney Basin, Oregon

Creator:: Smitherman, Lauren L.
Abstract:: Harney County contains defining characteristics of regions containing arsenic within the groundwater such as its location in the western United States, unique closed basin geography, complex geology, and seasonal groundwater level fluctuations. Confirmation of arsenic concentrations above the Maximum Contaminant Level Drinking Water Standard of 10 μg/L has been observed...
Resource Type:: Masters Thesis
Full Text:: well water with similar geologic characteristics may utilize this report to understand the importance

An evaluation of a water, sanitation, and hygiene (WASH) program for rural communities in northern Afghanistan

Creator:: Costello, Denise H.
Abstract:: The Water, Sanitation and Hygiene (WASH) sector of international development works to increase access to sustainable, safe water and improved sanitation. Currently, at least 780 million people live without clean drinking water and 2.5 billion without access to improved sanitation (UNICEF & World Health Organization, 2012). Lack of access to...
Resource Type:: Masters Thesis
Full Text:: …....………………………………………………………….……………………. 30 3.4 Water Testing……….…………………………………………………………………………………… 30 3.4.1 Data Collection

An analysis of well water quality and local residents' perceptions of drinking water quality in the southern Willamette Valley

Creator:: Kite-Powell, Aaron C.
Abstract:: The purpose of this study was to; (1) determine the extent of well water contamination with nitrate and pesticides, and to understand the relationships among nitrate, pesticide, dissolved chloride, dissolved sulfate, well age, and well depth in the southern Willamette Valley, Oregon; and, (2) to investigate local residents' perceptions and...
Resource Type:: Masters Thesis
Full Text:: analyze for both nitrates and pesticides in domestic well-water analyses. Similarly, testing for one

An evaluation of well-water nitrate exposure and related health risks in the Lower Umatilla Basin of Oregon

Creator:: Mitchell, Thomas J.
Abstract:: Excessive nitrates in drinking water pose a human health threat, especially to infants. Methemoglobinemia, or blue-baby syndrome, is a potentially fatal condition that inhibits the ability of red blood cells to bind and transport oxygen. Nitrates/nitrites have also been linked to such conditions as cancer, birth defects, and behavioral and...
Resource Type:: Masters Thesis
Full Text:: An evaluation of well-water nitrate exposure and related

Pressurizer surge line Counter Current Flow Limitation during AP600 Mode 5 Cold Shutdown

Creator:: Colpo, Sarah E.
Abstract:: Counter Current Flow Limitation (CCFL) was observed in the pressurizer surge line of the Oregon State University APEX facility during test NRC-10. This test simulated a one-inch diameter cold leg break with a failure of three of four of the fourth-stage Automatic Depressurization System (ADS) valves. The result was a...
Resource Type:: Masters Thesis
Full Text:: Counter Current Flow Limitation (CCFL) in the primary system of a Pressurized Water Reactor (PWR) has

Autonomous in situ measurements of estuarine surface PCO₂ : instrument development and initial estuarine observations

Creator:: Wall, Colleen McKay
Abstract:: A novel, low-cost instrument capable of measuring surface water PCO₂ was designed for use in dynamic, shallow-water environments. The instrument was tested in the Yaquina River Estuary, a macrotidal estuary known to experience a wide range of conditions ranging from dominance by the coastal ocean during summer upwelling to substantial...
Resource Type:: Masters Thesis
Full Text:: from two well known estimates: 1) Borges (2005) global estuarine air-water CO2 flux of 0.47 Pg C y-1

Behavior of a 1/6th scale, two-story, wood framed residential structure under surge wave loading

Creator:: Wilson, Jebediah
Abstract:: The goal of this study was to develop an understanding of the nature of surge wave loading on wood framed residential structures for a variety of building configurations and test conditions. The objectives of the study were: (1) to measure forces on a 1/6th scale wood framed residential structure, (2)...
Resource Type:: Masters Thesis
Full Text:: shelter, bridges, roadways, water supply, as well as recreational and emergency services. Nature is

Toxicity of the water-soluble fraction of crude oil and partially combusted crude oil to inland silverside, Menidia beryllina

Creator:: Kristanto, Shinta W.
Resource Type:: Masters Thesis
Full Text:: diluted with well water that was previously processed by reverse osmosis (total dissolved solids reduced

Tsunami loading on light-frame wood structures

Creator:: Linton, David B.
Abstract:: Since 2004 there have been multiple devastating tsunamis around the globe triggered by large magnitude earthquakes; with the most recent being the Tohoku, Japan tsunami in March 2011. These tsunamis have caused significant loss of life and damage to the coastal communities impacted by these powerful waves. The resulting devastation...
Resource Type:: Masters Thesis
Full Text:: . These experiments provide a starting point for expanding the testing of the structural response and

Effects of silver ions and nanoparticles on suspended cells and biofilms of Nitrosomonas europaea

Creator:: Barker, Leila Kelly
Abstract:: Silver nanoparticles are increasingly being incorporated into consumer products due to their broad-spectrum antimicrobial properties. The resulting influx of silver nanoparticles into wastewater may pose a threat to bacteria involved in biological wastewater treatment. Ammonia-oxidizing bacteria, which convert ammonia to nitrite in the first step of nitrification, are highly sensitive...
Resource Type:: Masters Thesis
Full Text:: . ................................................................................. 70 12. Biomass-normalized AMO-SOURs (a) and HAO-SOURs (b) for slide and well samples

ScholarsArchive@OSU

Forensic Hydrogeography : Assessing Groundwater Arsenic Concentrations and Testing Methods within the Harney Basin, Oregon

An evaluation of a water, sanitation, and hygiene (WASH) program for rural communities in northern Afghanistan

An analysis of well water quality and local residents' perceptions of drinking water quality in the southern Willamette Valley

An evaluation of well-water nitrate exposure and related health risks in the Lower Umatilla Basin of Oregon

Pressurizer surge line Counter Current Flow Limitation during AP600 Mode 5 Cold Shutdown

Autonomous in situ measurements of estuarine surface PCO₂ : instrument development and initial estuarine observations

Behavior of a 1/6th scale, two-story, wood framed residential structure under surge wave loading

Toxicity of the water-soluble fraction of crude oil and partially combusted crude oil to inland silverside, Menidia beryllina

Tsunami loading on light-frame wood structures

Effects of silver ions and nanoparticles on suspended cells and biofilms of Nitrosomonas europaea

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