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Evaluation Of Perfluorohexane Sulfonate (Pfhxs) Exposure To Risk Of Liver Disease Caused By High Fat Fructose Diet, Dwight C. Anderson 2017 University of Rhode Island

Evaluation Of Perfluorohexane Sulfonate (Pfhxs) Exposure To Risk Of Liver Disease Caused By High Fat Fructose Diet, Dwight C. Anderson

Senior Honors Projects

Perfluorohexane sulfonate (PFHxS) has been used in products as surfactants[AS1] . These products include fluoropolymers and as protective and water-resistant coatings to different materials such as carpets, paper, and textiles. Also, evidence of PFHxS exposure has been reported in firefighters who use certain film forming foams. Current investigations have shown widespread exposure to PFHxS in the environment, specifically in drinking water. There has also been evidence of PFHxS accumulation in humans, with a half-life lasting several years.

PFHxS is one of several perfluoronated alkyl substances (PFAS). Other PFASs are considered to be hepatotoxic in rodents and potentially in humans. Studies ...


A Step Towards A "Greener" Dining Services: Procuring Locally For The Health Of Students And The Earth, Jessica Fischer 2017 University of Rhode Island

A Step Towards A "Greener" Dining Services: Procuring Locally For The Health Of Students And The Earth, Jessica Fischer

Senior Honors Projects

Supporting local food has been a goal of dining services for some time now. Buying local means you know exactly where your food is coming from. Typically the farmer has a direct relationship with the processors that puts pressure on them to abide by all laws and regulations. Secondly, the shorter time between the farm and your table, the less likely that nutrients will be lost during the time it takes to transport food across the country. Third, buying local food builds a sense of community. When you buy direct from a farmer, you’re engaging in a time-honored connection ...


Asthma-Related Hospitalization And Emergency Room Visits In Oakland, Alondra Varela 2017 San Jose State University

Asthma-Related Hospitalization And Emergency Room Visits In Oakland, Alondra Varela

McNair Research Journal SJSU

The City of Oakland has seen diminished childhood asthma rates. During the last few years more children have been able to qualify for Medi-Cal and other health insurance plans under the Affordable Care Act (ACA). Local programs work together with Medi-Cal and ACA to reduce the number of symptoms related to asthma by making sure children from low-income communities have access to primary care, medicine, and treatment. Unfortunately, the asthma-related hospitalizations and emergency room visits among children have continued to increase. These rates are even higher in low-income communities located near highly trafficked areas. To investigate this phenomenon, this study ...


Hawkes Co. V. United States Army Corps Of Engineers, Sarah M. Danno 2017 University of Montana School of Law

Hawkes Co. V. United States Army Corps Of Engineers, Sarah M. Danno

Public Land and Resources Law Review

A peat mining company will not be required to obtain a permit under the Clean Water Act to discharge dredged and fill material into wetlands. The United States District Court for the District of Minnesota held that the United States Army Corps of Engineers fell short in its attempts to establish jurisdiction over the wetlands by twice failing to show a significant nexus existed between the wetlands and navigable waters. Further, the district court enjoined the Corps from asserting jurisdiction a third time because it would force the mining company through a “never ending loop” of administrative law.


Trap-Neuter-Return Programs And The Importance Of Associated Public Awareness, Nicolette Sliwa 2017 Augustana College, Rock Island Illinois

Trap-Neuter-Return Programs And The Importance Of Associated Public Awareness, Nicolette Sliwa

Biology: Student Scholarship & Creative Works

The focus of this paper is to describe a typical Trap-Neuter-Return (TNR) program and highlight the major pros and cons surrounding this somewhat controversial method of managing the overwhelming free-roaming cat population. The effects of the species’ overabundance on the environment and human health are also discussed. Citing studies completed on TNR programs around the globe as well as mathematical models, the effectiveness of this method is compared to other, currently used alternatives. Finally, it has been suggested that the general awareness level a neighborhood possesses about the true goals of TNR programs has a potentially significant impact on the ...


Students Can Be Important Link Between Academia And Practice, Jason W. Marion, Charles D. Treser 2017 Eastern Kentucky University

Students Can Be Important Link Between Academia And Practice, Jason W. Marion, Charles D. Treser

EKU Faculty and Staff Scholarship

Editor’s Note: In an effort to promote the growth of the environmental health profession and the academic programs that fuel that growth, NEHA has teamed up with the Association of Environmental Health Academic Programs (AEHAP) to publish two columns a year in the Journal. AEHAP’s mission is to support environmental health education to ensure the optimal health of people and the environment. The organization works hand in hand with the National Environmental Health Science and Protection Accreditation Council (EHAC) to accredit, market, and promote EHAC-accredited environmental health degree programs. AEHAP focuses on increasing the environmental health workforce, supporting ...


Microbial Repopulation Following In Situ Star Remediation, Gavin Overbeeke 2017 The University of Western Ontario

Microbial Repopulation Following In Situ Star Remediation, Gavin Overbeeke

Electronic Thesis and Dissertation Repository

In situ STAR (Self-sustaining Treatment for Active Remediation) is an emerging remediation technology which uses smouldering combustion to destroy nonaqueous phase liquid (NAPL) contamination in the subsurface. Since STAR smouldering travels through contaminated soils slowly (~0.5 to 5 m/day) and subjects them to high temperatures (400–1000°C), it is expected that this technology will thoroughly dry and sterilize the zones which it treats. Further, soils surrounding the treatment zone which are not smouldered will be heated, although not smouldered, by virtue of their proximity to STAR, impacting microbial communities within them. Therefore, the objectives of this work ...


Impact Of Urbanization On Temperature Variation In Big Cities: Measuring Health Risk While Targeting Vulnerable Population, Maryam E. Karimi 2017 The Graduate Center, City University of New York

Impact Of Urbanization On Temperature Variation In Big Cities: Measuring Health Risk While Targeting Vulnerable Population, Maryam E. Karimi

All Graduate Works by Year: Dissertations, Theses, and Capstone Projects

Densely populated cities are experiencing Urban Heat Island (UHI) effects and localized hotspots. Cities, such as New York can form heat islands all year round. This is primarily due to land surface modifications, radiative trapping in urban canyons and lack of cooling through evapotranspiration caused by displaced trees and vegetation. UHI refers to an increase in air and surface temperature in cities compared to surrounding suburban and rural areas. Large scale environmental forcing can cause subdivisions of UHI throughout a city. The combined of environmental forcing effects lead to the formation of hot pockets within the cities at micro-scale. The ...


Total Organic Iodine Quantification And Occurrence In Drinking Water, And Toxicity Assessment Of Iodinated Disinfection By-Products, Rassil El Sayess 2017 University of Massachusetts Amherst

Total Organic Iodine Quantification And Occurrence In Drinking Water, And Toxicity Assessment Of Iodinated Disinfection By-Products, Rassil El Sayess

Doctoral Dissertations May 2014 - current

The focus of this work has been placed is on iodinated DBPs (I-DBPs), measured using total organic iodine (TOI), a surrogate measure of iodinated organics. This is due to the growing toxicity literature that places I-DBPs among the most toxic of all DBPs. To measure TOI in water, a new method was developed. This method combines adsorption, combustion, and trapping of combustion products, with an offline inductively coupled plasma/mass spectrometer (ICP-MS) for iodide detection. Three factors were varied across two levels each in order to optimize the method. The chosen method used a sample pH of less than 1 ...


From Yosemite To A Global Market: How Patagonia, Inc. Has Created An Environmentally Sustainable And Socially Equitable Model Of Supply-Chain Management, Mary-Clare Bosco 2017 Pomona College

From Yosemite To A Global Market: How Patagonia, Inc. Has Created An Environmentally Sustainable And Socially Equitable Model Of Supply-Chain Management, Mary-Clare Bosco

Pomona Senior Theses

There is an urgent pressure of the time (2016) to re-evaluate our patterns of consumption to adapt to changing climates and reduce waste and pollution. Because an immediate restructuring of global production strategies is not likely any time soon, industrial innovators are finding new ways of redesigning supply-chain management in efforts to move towards environmentally sustainable business in which all manufacturing practices are transparent. Patagonia, Inc. is a testament to the often-debated question of economic value in green business practices, and this thesis acts as an outline as to how they arrived at such an impressive presence in the business ...


Evaluating Trophic Rewilding As A Conservation Technique, Aaron Sieve 2017 Augustana College, Rock Island Illinois

Evaluating Trophic Rewilding As A Conservation Technique, Aaron Sieve

Biology: Student Scholarship & Creative Works

The focus for this paper is to define specifically trophic rewilding, determine its efficacy as a conservation technique, and explore ways to lessen one of its key limitations. Trophic rewilding is the conservation technique whereby an extirpated keystone species or ecosystem engineer is reintroduced into a degraded habitat to restore ecological function by triggering trophic cascades. The technique is evaluated through analysis of the concepts of trophic cascades and ecosystem engineers. Key limitations of trophic rewilding are that a lack of population control in reintroduced may cause issues, that many times not enough is known about trophic cascades to be ...


A Multibiomarker Analysis Of Pollutant Effects On Atlantic Stingray Populations In Florida’S St. Johns River, John Whalen 2017 University of North Florida

A Multibiomarker Analysis Of Pollutant Effects On Atlantic Stingray Populations In Florida’S St. Johns River, John Whalen

UNF Theses and Dissertations

The goal of this study was to examine the potential health effects of organochlorine (OC) and polycyclic aromatic hydrocarbon (PAH) exposure on Atlantic stingray populations in Florida’s St. Johns River (SJR). Special emphasis was placed on identifying OC- and/or PAH-related effects in stingrays from areas of the lower (LSJR) and middle (MSJR) basins shown to possess elevated levels of these compounds, as well as characterizing baseline levels of pollutant exposure in the SJR shipping channel, which may be subjected to dredging in the near future, potentially resuspending and redistributing contaminated sediments and increasing pollutant-associated effects. To accomplish this ...


Entomology In The Fine Arts: A Voice For The Little Guys, Puttichai Kupadakvinij 2017 University of Colorado, Boulder

Entomology In The Fine Arts: A Voice For The Little Guys, Puttichai Kupadakvinij

Undergraduate Honors Theses

Insects are vital to an ecosystem. They pollinate fruit blossoms and vegetables; insects feed on an endless range of food, which helps an ecosystem with decomposition; some insects are even used as a form of pest-control. Unfortunately many people tend to overlook the importance of insects and the study of entomology. In this paper each section will introduce reader to the insect(s) involved in each artwork; the end will discuss how my artwork reflects the research of the insect, thus giving the readers a new understanding of the insect involved. My five projects used the intersection of art and ...


Sustainability In The Brewing Industry - The Greater Effect, Ben Weger 2017 University of Colorado, Boulder

Sustainability In The Brewing Industry - The Greater Effect, Ben Weger

Undergraduate Honors Theses

The modern sustainable brewery is defined by a consideration to improve all aspects of production, resource efficiency, and distribution to the customer. Through the development of auditing procedures to benchmark the efficiency of a brewery, industry-leading companies have provided inspiration for sustainability to an entirely new generation of craft brewers. Utilizing proven benchmarking methods, combined with the analysis of defining a sustainable brewery, Powder Keg Brewing Company implemented a benchmarking audit in order to assess current efficiency and find areas of process improvement. Breweries may represent only a small portion of water intensive industries; however, the greater effect of sustainability ...


Exploring Knowledge, Beliefs And Practices Of Radon Gas Exposure Among Public Health Workers, Paschal Nwako 2016 Seton Hall University

Exploring Knowledge, Beliefs And Practices Of Radon Gas Exposure Among Public Health Workers, Paschal Nwako

Seton Hall University Dissertations and Theses (ETDs)

Radon gas exposure is the highest cause of lung cancer among people that never smoked in the United States. People exposed to elevated levels of radon had a higher risk of developing lung cancer. Achieving the long term goal of the Indoor Radon Abatement Act (IRAA) of 1988 require a combined efforts of government agencies. Public health workers are change agents and their role in protecting and improving the health of their communities are well documented. This study created and utilized a multi question survey, the Public Health Workers Radon Assessment Instrument (PHWRAI) to explore knowledge, beliefs, personal and professional ...


Environmental Res. Bernard Singleton 2016 .Pdf, Joy Semien 2016 Texas Southern University

Environmental Res. Bernard Singleton 2016 .Pdf, Joy Semien

Joy Semien

The Deepwater Horizon (DWH) oil spill in the Gulf of Mexico was the largest maritime oil spill in history
resulting in the accumulation of genotoxic substances in the air, soil, and water. This has potential far-
reaching health impacts on cleanup field workers and on the populations living in the contaminated
coastal areas. We have employed portable airborne particulate matter samplers (SKC Biosampler Im-
pinger) and a genetically engineered bacterial reporter system (umu-ChromoTest from EBPI) to de-
termine levels of genotoxicity of air samples collected from highly contaminated areas of coastal
Louisiana including Grand Isle, Port Fourchon, and Elmer's ...


Determining The Effects Of The Think Risk Initiative As Implemented By The Southern Nevada Health District, Karalin Nichole Cronkhite 2016 University of Nevada, Las Vegas

Determining The Effects Of The Think Risk Initiative As Implemented By The Southern Nevada Health District, Karalin Nichole Cronkhite

UNLV Theses, Dissertations, Professional Papers, and Capstones

In the United States, someone becomes infected with a foodborne illness every 2 seconds, is hospitalized by a foodborne illness every 4 minutes and dies due to a foodborne illness every 3 hours. Foodborne illness is preventable, yet each year, 1 in 6 Americans is affected by it from contaminated foods or beverages. There are over 250 different foodborne diseases, and in 2015, there were 73 confirmed cases of Salmonella infection in Southern Nevada alone. Since the emergence of public health, food establishment inspections have been an important part of the regulation of food safety. Risk-based inspections were developed by ...


Development Of A Risk Assessment Framework To Predict Invasive Species Establishment For Multiple Taxonomic Groups And Vectors Of Introduction, Alisha D. Davidson, Abigail J. Fusaro, Rochelle A. Sturtevant, Edward S. Rutherford, Donna R. Kashian 2016 Wayne State University

Development Of A Risk Assessment Framework To Predict Invasive Species Establishment For Multiple Taxonomic Groups And Vectors Of Introduction, Alisha D. Davidson, Abigail J. Fusaro, Rochelle A. Sturtevant, Edward S. Rutherford, Donna R. Kashian

Biological Sciences Faculty Research Publications

A thorough assessment of aquatic nonindigenous species’ risk facilitates successful monitoring and prevention activities. However, species- and vector-specific information is often limited and difficult to synthesize across a single risk framework. To address this need, we developed an assessment framework capable of estimating the potential for introduction, establishment, and impact by aquatic nonindigenous species from diverse spatial origins and taxonomic classification, in novel environments. Our model builds on previous approaches, while taking on a new perspective for evaluation across species, vectors and stages to overcome the limitations imposed by single species and single vector assessments. We applied this globally-relevant framework ...


Use Of A Modified Greenscreen Tool To Conduct A Screening-Level Comparative Hazard Assessment Of Conventional Silver And Two Forms Of Nanosilver., Jennifer Sass, Lauren Heine, Nina Hwang 2016 George Washington University

Use Of A Modified Greenscreen Tool To Conduct A Screening-Level Comparative Hazard Assessment Of Conventional Silver And Two Forms Of Nanosilver., Jennifer Sass, Lauren Heine, Nina Hwang

Environmental and Occupational Health Faculty Publications

BACKGROUND: Increased concern for potential health and environmental impacts of chemicals, including nanomaterials, in consumer products is driving demand for greater transparency regarding potential risks. Chemical hazard assessment is a powerful tool to inform product design, development and procurement and has been integrated into alternative assessment frameworks. The extent to which assessment methods originally designed for conventionally-sized materials can be used for nanomaterials, which have size-dependent physical and chemical properties, have not been well established. We contracted with a certified GreenScreen profiler to conduct three GreenScreen hazard assessments, for conventional silver and two forms of nanosilver. The contractor summarized publicly ...


Back To The Future. Metabolic Effects Of A 4-Day Outdoor Trip Under Simulated Paleolithic Conditions – New Insights From The Eifel Study, Jens Freese, Daniel J. Pardi, Begoña Ruiz-Núñez, Sebastian Schwarz, Regula Heynck, Robert Renner, Philipp Zimmer, Helmut Lötzerich 2016 German Sports University Cologne, Institute of Outdoor Sports and Environmental Science

Back To The Future. Metabolic Effects Of A 4-Day Outdoor Trip Under Simulated Paleolithic Conditions – New Insights From The Eifel Study, Jens Freese, Daniel J. Pardi, Begoña Ruiz-Núñez, Sebastian Schwarz, Regula Heynck, Robert Renner, Philipp Zimmer, Helmut Lötzerich

Journal of Evolution and Health

Background: The observation that the emergence of common Western diseases takes place with much greater prevalence as societies migrate from natural-living cultures to modernized societies, has been well documented. For approximately 84,000 generations humans lived under hunter-gatherer conditions but recently endured dramatic change from our native lifestyle with the occurrence of the agricultural, industrial, and digital revolutions. The massive technological advancement that occurred within a relatively recent timeframe enabled humans to live in manner that is remarkably different than our pre-agricultural past. Consequently, the shift from a natural to a modern lifestyle likely promotes a gene-environment mismatch which causes ...


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