Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 15 of 15 for “"Hazardous air pollutants"”.
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Exposure to hazardous air pollutants in homes
Prior studies have found that human exposure to hazardous air pollutants (HAPs) occurs in homes; however, the depth of these assessments was limited by the extent of the analyzed data. The present Ph.D. dissertation focused on air contaminants of concern in residential buildings, the possible …
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Potential for City Parks to Reduce Exposure to Hazardous Air Pollutants
… toluene, ethylbenzene, and xylenes (BTEX) are hazardous air pollutants commonly found in outdoor air. Several studies have explored the potential of vegetation to mitigate BTEX in outdoor air, but they are limited to a northern temperate climate and present conflicting results. To investigate …
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MACT Implementation at an Organic Chemical Manufacturing Facility: Human Health Risk Reduction
… regulatory agencies to determine risk from Hazardous Air Pollutants (HAPs). In this study, the Human Exposure Model (HEM-3) was used to compare the cancer and non-cancer inhalation health effects of a single organic chemical manufacturing facility in Geismar, Louisiana prior to and after …
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Human Health Risk Assessment for Petroleum Refining Industry of the Remaining Air Toxics after MACT I Emissions Reductions
Inhalation risks on human health for hazardous air pollutants emitted from MACT I petroleum refining industry were determined using EPA HEM-3 Program. Methodology included compiling vertical and fugitive emissions from 2002 National Emissions Inventory for sources inside two facilities in …
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Zebra GC: A Fully Integrated Micro Gas Chromatography System
… (microGC) system characterized for detecting hazardous air pollutants (HAPs) at parts-per-billion (ppb) concentrations in complex mixtures has been described. A microfabricated preconcentrator (microPC), a MEMS separation column with on-chip thermal conductivity detector (microSC-TCD), the …
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Indoor/Ambient Residential Air Toxics Results in Rural Western Montana
… of 21 volatile organic compounds (including 14 hazardous air pollutants) were measured in the homes of nearly 80 western Montana (Missoula) high school students as part of the ‘Air Toxics Under the Big Sky’ program during the 2004/2005 and 2005/2006 school years. Target analytes were measured …
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Indoor/Ambient Residential Air Toxics Results in Rural Western Montana
… of 21 volatile organic compounds (including 14 hazardous air pollutants) were measured in the homes of nearly 80 western Montana (Missoula) high school students as part of the ‘Air Toxics Under the Big Sky’ program during the 2004/2005 and 2005/2006 school years. Target analytes were measured …
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Lignin-derived thermosetting vinyl ester resins for high performance applications
… of the commonly used RDs have been designated as hazardous air pollutants, potential carcinogens, and volatile organic compounds. Renewable VE resins and RDs with similar performance to petroleum-based RDs are desired to potentially mitigate the aforementioned hazards as well as to facilitate the …
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Treatment of air pollutants emitted from corn-derived ethanol production facilities
… ethanol production facilities for emissions of air pollutants and found that these facilities can be significant sources of volatile organic compounds (VOCs), hazardous air pollutants (HAPs), and odors. The distillers dried grains with solubles (DDGS) dryer stack at ethanol production facilities …
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Community-based evaluation of the air toxic provisions of title III of the 1990 clean air act amendments : risks, costs and benefits
Hazardous air pollutants (HAPs) are those pollutants that are known or suspected to cause cancer, serious health effects, or adverse environmental effects. People exposed to HAPs at sufficient concentrations and durations may have an increased risk of getting cancer or experiencing other health …
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Determination of Toxic Heavy Metals in Wet Deposition and Ambient Air in Columbus, GA
… and cadmium and are thus categorized as 'hazardous air pollutants' by the U.S. EPA. The heavy metal pollutants that exist suspended in the air are subject to wet and dry atmospheric deposition. From the air they may be released by precipitation events or direct dry deposition unto various …
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Environmental justice education and atmospheric particulate analysis in urban environmental health policy development : indoor airborne particulate concentrations in preschools of asthmatic children in Newark
… to the adverse health effects of particulate air pollution. This study analyzes the community locations and evaluates literature and other available air pollution data for the target communities in the city of Newark. The study focuses on asthma or reactive airway diseases as a target health …
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Economic evaluation of burning bituminous and western PRB coals for power production based on select pollution control scenarios
… Protection Agency (USEPA) finalized its Clean Air Interstate Rule (CAIR) and Clean Air Visibility Rule emission regulations in 2005, to limit emissions of sulfur dioxide, nitrogen oxides and particulate matter to the atmosphere. USEPA replaced CAIR with the Cross State Air Pollution Rule in …
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Experimental and numerical evaluation of electrothermal–swing adsorption for capture and recovery or destruction of organic vapors
Emissions of hazardous air pollutants (HAPs) and volatile organic compounds (VOCs) to the atmosphere are serious environmental issues. There were 0.53 billion kg of HAPs and 15 billion kg of VOCs emitted to the atmosphere from anthropogenic sources during 2004 and 2002, respectively. Eighty-nine …
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New Opportunities in Crowd-Sourced Monitoring and Non-government Data Mining for Developing Urban Air Quality Models in the US
Ambient air pollution is among the top 10 health risk factors in the US. With increasing concerns about adverse health effects of ambient air pollution among stakeholders including environmental scientists, health professionals, urban planners and community residents, improving air quality is a …