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 20 of 67 for “"United States. Environmental Protection Agency"”.
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Remediation of place : the role of the United States Environmental Protection Agency in designing reuse at superfund sites
This thesis will explore what the U.S. Environmental Protection Agency's (EPA) direct and indirect roles should and could be in fostering place making for Superfund site redevelopment. The EPA manages the clean up of severely contaminated abandoned property under the Comprehensive Environmental …
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Field evaluation and health assessment of air cleaners in removing radon decay products in domestic environments
The United States Environmental Protection Agency suggested in 1988 that the possibility for high radon concentration exists in some houses. The inhalation and deposition of radon decay products in human lungs are recognized as producing a significant health risk. Air cleaners are one of the …
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Assessment of Sediment Runoff from Natural Gas Well Development Sites.
… Small construction sites of 1-5 acres in the United States are currently regulated by the United States Environmental Protection Agency to minimize storm water runoff damages to the environment. Gas well construction sites are similar to other construction sites in how the landscape is …
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Analysis of tailpipe particulate matter emission from a sampling of Kansas City vehicles
<p>As the United States Environmental Protection Agency (EPA) seeks to model vehicle emissions based on dynamic engine operating conditions, modal PM datasets will be investigated for their robustness and limitations under the requirements of the EPA’s model: MOVES. The Kansas City PM …
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Vehicle classification profiles for interstates and non-interstates in West Virginia to be used for MOBILE6 modeling
Under the Federal Clean Air Act, the United States Environmental Protection Agency sets nationwide standards for maximum permissible levels of air pollution, while States retain primary responsibility for monitoring air quality to comply with these standards. MOBILE6 is a computer model developed …
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Determination of Size Fractions and Concentrations of Airborne Particulate Matter Generated From Construction and Demolition Waste Processing Facilities
… sizes of interest. Results were compared to United States Environmental Protection Agency (EPA) National Ambient Air Quality Standards(NAAQS) and United States Occupational Safety and Health Administration (OSHA)standards.The results from this study are not valid for determination of …
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Mapping the void : brownfield inventories by local governments
… or perception of contamination. Nationally the United States Environmental Protection Agency estimates the number of brownfields to be more than half a million. As of 2002, the EPA requires states and tribal governments to inventory brownfields within their boundaries in order to receive federal …
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Implementing US EPA's Operator Certification Program for Small Drinking Water Systems in Virginia
… necessary for the implementation of the United States Environmental Protection Agency final guidelines for the certification and recertification of small water system operators of community (CWS) and nontransient noncommunity public (NTNC) water systems serving under 3,300 people. A …
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Heavy Metal Concentrations in Springs and Sinkholes in and Around Springfield, Greene County, Missouri
… Maximum Contaminant Level Goal (MCLG) set by the United States Environmental Protection agency for drinking water. Concentrations of lead and copper in all springs were below instrumentally determined detection limits.
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The Effect of Predisinfection with Chlorine Dioxide on the Formation of Haloacetic Acids and Trihalomethanes in a Drinking Water Supply
… to maintain compliance with current and future United States Environmental Protection Agency regulations governing haloacetic acids (HAAs) and trihalomethanes (THMs), the Blacksburg, Christiansburg, VPI (BCVPI) Water Authority in Radford, Virginia elected to eliminate prechlorination and replace …
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Antimicrobial Activity of Cannabis Extraction Products and Terpenes against Foodborne Pathogens And Use of Electrochemically Activated (ECA) Water for Control of Indoor Mold in a Cannabis Production Facility
… Activated (ECA) Water is approved by the United States Environmental Protection Agency (EPA) and the Food and Drug Administration (FDA) as a cleaner and sanitizer for use in the food industry. ECA water has been adapted in various fields and is considered a non-thermal treatment against …
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Estimation of Pm-10 from vacant lands in the Las Vegas valley
According to the United States Environmental Protection Agency, the Las Vegas Valley is a serious nonattainment area for suspended particulate matter less than 10 microns in aerodynamic diameter (PM-10). The question is whether the amount of fine particulates less than 10 {dollar}\mu{dollar}m in …
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Inactivation of adenovirus serotype 41 with monochloramine
… commonly found to cause diarrhea worldwide. The United States Environmental Protection Agency has included HAdV in the Drinking Water Contaminant Candidate List 4 for potential regulation evaluation. Drinking water disinfection is an effective way to reduce waterborne pathogens, including HAdV. …
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CMB7 receptor modelling of airborne particulate matter in the Vaal Triangle
… each receptor site were modelled following the United States Environmental Protection Agency (US-EPA)PM10 protocol. PM10 size selected particulates were collected on 47 mm Teflon and quartz fibre filter substrates over one week sampling periods. Thirty three chemical species were analysed for …
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Water quality modelling for recreational use in the Kallang River Basin, Singapore
… the Kallang River Basin. The study employed the United States Environmental Protection Agency WASP (Water Quality Analysis Simulation Program) model. Through WASP model simulations, it was found that certain parts of the Kallang River Basin were not suitable for recreational purposes and others …
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The development of a construction material using electric arc furnace dust
During the 1970s, the United States passed a series of laws regulating the handling and disposal of hazardous material. The new rules drastically increased the cost of processing toxic wastes. Consequently, many producers began investigating methods that would render toxic material non-hazardous. …
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Policy Subsystem Portfolio Management: A Neural Network Model of the Gulf of Mexico Program
… study provides insights into the behavior of an environmental policy subsystem. The study uses neural network theory to model the Gulf of Mexico Program's allocation of implementation funds. The Gulf of Mexico Program is a prototype effort to institutionalize a policy subsystem. A project …
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Effects of artificial neural networks characterization on prediction of diesel engine emissions
… contains three gases that are regulated by the United States Environmental Protection Agency (EPA), as well as particulate matter (PM). There is a societal need both to lower emissions and to predict or model emissions more accurately for inventory purposes. Engine modeling, and real time …
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Bald Eagle Foraging Habitats Along the James River in Missouri: Protection From Human Developments
… which had caused problems in other areas of the United States for bald eagles were either below the guidelines set by Rainbow, Furness, United States Environmental Protection Agency, and the United States Food and Drug Administration or were nondetectable. Mercury was nondetectable at all …
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Kinetics and mechanisms of bacteriophage PR772 inactivation by monochloramine
… drinking water remains a challenging task for environmental engineers and researchers. Human Adenovirus (HAdV) is a pathogen listed in the Contaminant Candidate List 4 of the United States Environmental Protection Agency. HAdV is highly resistant to monochloramine, a common drinking water …
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