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 12 of 12 for “"total petroleum hydrocarbons"”.
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Development of a Pre-Impact Environmental Site Characterization for the Bryan Mound, Texas Strategic Petroleum Reserve
… and post-spill monitoring using the Strategic Petroleum Reserve's Bryan Mound site as a case study. Bird and vegetation observations provide baseline data for biological conditions, and sediment sampling for total petroleum hydrocarbons serves as a chemical component of the model. Results …
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Treatment of Petroleum Hydrocarbons in Oil-Based Drill Cutting Mud Using BiOWiSH Bioaugmentation Products
… and a respirometer were used for analysis of total petroleum hydrocarbons (TPH) and CO2 production respectively. Five experiments were analyzed by TPH extraction and analysis; four experiments were analyzed by respirometric analysis. The specific microcosm conditions tested in the experiments …
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Field Trials of Ex Situ Smouldering Treatment (STARx) of Oil Sludge
… environmental concern and regulations around petroleum producing and refining facilities, along with the divesting of legacy properties, have necessitated the need for rapid, high capacity, and cost-effective treatment technologies for remediating these sites and their produced wastes. …
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Performance Evaluation of a Low Impact Development Retrofit for Urban Stormwater Treatment
… demanding substances, selected trace metals and total petroleum hydrocarbons. Negative performance was observed for oxidized nitrogen, total dissolved solids and oil & grease. LID facility influent and effluent loads were also compared using the Effluent Probability Method (EPM). The EPM analysis …
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Evaluation of Impacts Resulting from Home Heating Oil Tank Discharges
… look-back study, we assessed the potential for petroleum vapor intrusion by sampling soil vapor at 25 previously remediated spill sites. Residual contaminants, in particular total petroleum hydrocarbons (TPH) and naphthalene, were detected in approximately 1/3 of the samples. Concentration …
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Remediation of soil and groundwater by vacuum-enhanced recovery.
… VER pilot study conducted at an operating retail petroleum facility. The results of the pilot study were used to assess the feasibility of VER technology to remediate hydrocarbon impacted soil and groundwater and to design a full scale VER system for the site. The pilot study results indicated a …
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Oxygen and nitrate enhanced in situ bioremediation of an oil -contaminated salt marsh
… to enhance natural in situ biodegradation of total petroleum hydrocarbons (TPH) in an oil-contaminated marsh. EPA (9071A) and ASTM (D5831) methods were evaluated for screening TPH in the contaminated marsh sediments. The ASTM Method was selected to evaluate TPH levels in candidate sites at the …
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Environmental assessment of Lake Gibson sediments, water quality, and soils of the Niagara Region
… Gibson. All were tested for metals and some for Total Petroleum Hydrocarbons (TPH). Evaluation of the results leads to the following conclusions: 1. Metal concentrations ofAI, Cd, Cu, Cr, Pb, Ni, Fe and Zn in soils from the Niagara Region are well below background limits set by the Ministry of …
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Biotic control of LNAPL longevity - laboratory and field- scale studies
… studies evaluated loss rates as a function of total contaminant concentration under sulfate-reducing (SR) and methanogenic (MG) conditions. Biotic and abiotic loss rates were determined via tracking biodegradation products and hydrocarbons in column effluents and produced gasses over time. …
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A Bayesian stormwater quality model and its application to water quality monitoring
… The contaminants under consideration include: total suspended solids (TSS), total petroleum hydrocarbons - diesel range hydrocarbons (TPH-D), dissolved inorganic nitrogen (DIN, comprised of nitrate, nitrite, and ammonia), and zinc (Zn).</p><p>The mathematical model was based on the mass balance …
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Life history of a native emydid turtle (Malaclemys terrapin centrata) on the remote oceanic islands of Bermuda
… multifactorial contamination; principally total petroleum hydrocarbons, polycyclic aromatic hydrocarbons and a variety of heavy metals. This study found that some of those contaminants are accumulating in the gastropod prey as well as being transferred to terrapin eggs. This may be reducing …
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Modeling the impact of petroleum mixtures released from railroad tank car accidents on groundwater contamination and cleanup times
… input parameters (i.e., cleanup criteria such as total petroleum hydrocarbons in soil (TPH-soil), TPH-water, and maximum contaminant levels, dispersivity, and solubility), and to evaluate groundwater contamination and cleanup times for four complex mixtures of concern in the railroad industry. In …