Index Catalog // ScholarsArchive@OSU

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

Analysis of Oregon's Domestic Well Testing Act data for use in a sentinel surveillance system for private well contaminants

Creator:: Hoppe, Brenda O.
Abstract:: The Safe Drinking Water Act ensures that public systems provide water that meets health standards. However, no such protection exists for millions of Americans who obtain water from private wells. Concern for safety is warranted as most wells draw from underground aquifers, and studies demonstrate that groundwater is affected by...
Resource Type:: Dissertation
Full Text:: their well and treating or testing the water before consumption (Simpson, 2004). Walker and others

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

Quantitative determination of emerging contaminants, solvent stabilizers and fullerene nanomaterials, in biological and environmental systems

Creator:: Isaacson, Carl W.
Abstract:: To determine the impact of emerging environmental contaminants on human and environmental health, quantitative analytical methods are required. Analysis of emerging contaminants is hampered by their widely varying physical-chemical properties. Therefore quantitative analytical methods must be developed to determine the behavior of emerging contaminants in environmental systems. A quantitative analytical...
Resource Type:: Dissertation
Full Text:: from zebrafish embryo homogenate extracts and 1% DMSO in aqueous exposure water solutions with

Development of novel analytical methods to detect emerging contaminants in aqueous environmental matrices using large-volume injection

Creator:: Backe, Will J.
Abstract:: It is the responsibility of humans, as environmental stewards, to monitor our impact on the environment so that efforts can be made to remediate the effects of our actions and change behaviors. To better understand our environmental footprint, sensitive and simple analytical methods are needed to quantify the contaminants that...
Resource Type:: Dissertation
Full Text:: are not well understood. Therefore, accurate environmental data are needed to help scientists and

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

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

The assessment of copper and zinc removal from highway stormwater runoff using Apatite II™

Creator:: Huang, Hsiao-Wen
Abstract:: Copper and zinc are heavy metals commonly present in highway stormwater runoff. Discharge of these metals to surface waters inhabited by sensitive aquatic species including threatened and endangered salmonids has necessitated the need for improved treatment techniques. Although copper is of the greater toxicological concern, zinc is often present at...
Resource Type:: Masters Thesis
Full Text:: well as urban runoff all contribute to water pollution (Klein et al. 1974). Among those sources

ScholarsArchive@OSU

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

Analysis of Oregon's Domestic Well Testing Act data for use in a sentinel surveillance system for private well contaminants

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

Quantitative determination of emerging contaminants, solvent stabilizers and fullerene nanomaterials, in biological and environmental systems

Development of novel analytical methods to detect emerging contaminants in aqueous environmental matrices using large-volume injection

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

Tsunami loading on light-frame wood structures

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

The assessment of copper and zinc removal from highway stormwater runoff using Apatite II™

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