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Filtering by: Creator National Marine Fisheries Service, Northwest Region Remove constraint Creator: National Marine Fisheries Service, Northwest Region Advisor Anderson, Kim A. Remove constraint Advisor: Anderson, Kim A. Degree Name Doctor of Philosophy (Ph.D.) Remove constraint Degree Name: Doctor of Philosophy (Ph.D.)

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Selenium and trace metal accumulation in detrital-benthic food webs of lotic and lentic wetlands, Utah, USA

Creator:

Hillwalker, Wendy E.

Abstract:

Concentrations of selenium (Se), manganese (Mn), zinc (Zn), cadmium (Cd), lead (Pb) and arsenic (As) were measured in the water column, sediment and biota, in conjunction with selected physicochemical data, from representative wetland types at a mining site within Salt Lake County, Utah, USA. The selected field sites included Oolitic...

Resource Type:

Dissertation

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). This region is also composed largely of marine sedimentary rocks of Cretaceous age, an important
Passive sampling devices as biological surrogates for evaluating seasonal bioavailability of hydrophobic organic contaminants in surface water

Creator:

Sethajintanin, Doolalai

Abstract:

The seasonal distribution of bioavailable organochiorine contaminants in surface water and the potential environmental factors influencing their bioavailability were evaluated. The study was carried at the lower Willamette River at Portland Harbor, Oregon where surface water runoff varied according to season. Bioavailable water concentrations of DDTs and PCBs were determined...

Resource Type:

Dissertation

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concentrations of organochiorine compounds exceeded Redacted for Privacy the national and the Oregon water
Long-term fertilizer input influences total and bioavailable metal in agricultural soils and crops

Creator:

Pérez, Angela L.

Abstract:

Protection of the quality and integrity of food supplies is of global concern. Crops can accumulate non-nutritive and sometimes toxic metals and metalloids. Accumulated metals/metalloids can come in part, from fertilizers, which may contain variable levels of non-nutritive metals or metalloids such as arsenic (As), cadmium (Cd), lead (Pb), nickel...

Resource Type:

Dissertation

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geographic growing region of three fruits strawberry (Fragaria x ananassa), blueberry (Vaccinium
Advancement of Passive Sampling Applications for Assessing Contaminant Transport, Bioaccumulation, and Toxicity

Creator:

Minick, David J.

Abstract:

In the environment, it is the unbound fraction of chemical (Cfree) which is able to diffuse across environmental interfaces and biological membranes. It is therefore Cfree which drives many important biological-environmental processes including contaminant transport, bioaccumulation and toxicity. Passive sampling devices (PSDs) offer a simplified and more accurate approach for...

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Dissertation

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clams on Native American tribal land in the Puget Sound region of the Salish Sea. The model was able
Human Exposure to PAHs in Air, Water, and Crayfish

Creator:

Paulik, L. Blair

Abstract:

There are many links between exposure to environmental pollution and risks to human health. While advances in the fields of toxicology, exposure science, and environmental chemistry have shown light on many of these links, many more research challenges remain. One major challenge is how to accurately characterize the toxicity of...

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Dissertation

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importance of this area of study was emphasized in the new Strategic Plan from the U.S. National Institute
Assessing Exposures and Simplifying Complex Mixtures of SVOCs for Hazard Characterization using Alternative Model Systems

Creator:

Rivera, Brianna N.

Abstract:

Throughout their lifetime individuals are exposed to complex mixtures of chemicals. The study of chemical mixtures is an internationally recognized research priority, but seemingly complex challenge. To reduce the intricacy of studying mixtures, researchers have identified different prioritization methods based on exposure or the toxicity of chemicals. However, understanding the...

Resource Type:

Dissertation

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Toxicology, Oregon State University, Corvallis, OR 97331, USA; 2 Pacific Northwest National Laboratory
Implications for Wildfire Health Recommendations and Remediation Strategies: Source, Fate and Risk of PAHs

Creator:

Ghetu, Christine, C.

Abstract:

(Polycyclic aromatic hydrocarbons) PAHs are widespread in the environment, and are derived from both natural and anthropogenic sources. The physicochemical properties of PAHs along with the wide range of PAH sources leads to their persistence in the environment. Since PAHs are ubiquitous, and have the potential to illicit adverse effects,...

Resource Type:

Dissertation
New Applications for Passive Samplers : In-situ Flux and Risk Assessment of Legacy and Emerging Contaminants

Creator:

Tidwell, Lane G.

Abstract:

Passive sampling devices (PSDs) were used to measure air vapor and water dissolved phase concentrations of polycyclic aromatic hydrocarbons (PAHs) and oxygenated PAHs (OPAHs) at two different environmentally contaminated sites. Environmental contaminates like PAHs and OPAHs are present in both the atmospheric and aqueous environmental compartments. It is known that...

Resource Type:

Dissertation

Full Text:

scales.6-8 Air and water masses in freshwater, estuary, and marine ecosystems are frequently
Beyond the 16 EPA priority pollutant PAHs : environmental characterizations of oxygenated PAHs and dibenzopyrene isomers

Creator:

Layshock, Julie

Abstract:

Polycyclic aromatic hydrocarbons (PAHs) with a molecular weight (MW) of 302 and oxygenated-PAHs (OPAHs) have demonstrated toxicity beyond that of frequently monitored and known carcinogenic PAHs. Airborne particulate matter (PM) was characterized for MW 302 isomers to evaluate risk and air quality indices and OPAHs in order to fill data...

Resource Type:

Dissertation

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. Schematic Illustrates the Extraction and Clean-up Schemes for the Five National Institute of Standards and
Applications of Silicone Wristbands to Improve Personal Chemical Exposure Assessment

Creator:

Dixon, Holly M.

Abstract:

Silicone wristbands are easy-to-wear passive samplers that have been readily adapted into environmental health studies since first reported in 2014. Wristbands can be worn during normal daily activities and sequester a wide range of bioavailable organic chemicals. This dissertation includes a thorough review of silicone wristband technology, as well as...

Resource Type:

Dissertation

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categories are displayed for several variables: geographic region (A, B), population density (C, D), age (E

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Academic Affiliation

Environmental and Molecular Toxicology12

Advisor

Anderson, Kim A.[remove]12
Curtis, Lawrence R.1
Jepson, Paul C.1
Tilton, Susan C.1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 2005 to 2023

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Committee Member

Simonich, Staci4
Field, Jennifer2
Kile, Molly L.2
Simonich, Staci L.2
Stubblefield, William2
more Committee Members »

Creator

Bergmann, Alan J.1
Dixon, Holly M.1
Ghetu, Christine, C.1
Hillwalker, Wendy E.1
Layshock, Julie1
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Date

Date range begin – Date range end

Current results range from 2004 to 2022

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Decade

2020-20293
2010-20196
2000-20093

Degree Field

Toxicology12

Degree Level

Doctoral12

Degree Name

Doctor of Philosophy (Ph.D.)[remove]12

File Format

pdf1

Language

English [eng]12

License

All rights reserved12

Non-Academic Affiliation

Oregon State University. Graduate School7

Peer Reviewed

No12

Resource Type

Dissertation12

Rights Statement

In Copyright12

Subject

Passive sampling devices2
Air -- Pollution -- Carcinogenicity -- Ohio -- Carroll county1
Air -- Pollution -- China -- Beijing1
Air -- Pollution -- Mexico, Gulf of1
Air -- Pollution -- Oregon -- Bachelor, Mount1
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