Search Results - "Hudak, Paul F."

Evaluation of ecological and in vitro effects of boron on prostate cancer risk (United States) by Barranco, Wade T, Hudak, Paul F, Eckhert, Curtis D

“…Objective To determine: (1) the correlation of prostate cancer incidence and mortality with groundwater boron and selenium concentrations; and (2) the impact…”
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Long-Term Trends of Fine Particulate Matter in the Dallas-Fort Worth Metropolitan Area by Hudak, Paul F

“…Spatial and temporal trends in air concentrations of particles <2.5 [micro]m in diameter ([PM.sub.2.5]) were compiled, portrayed, and evaluated for three…”
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Large-diameter, non-pumped wells filled with reactive media for groundwater remediation by Hudak, Paul F.

“…A groundwater flow and contaminant transport model was used to simulate arrays of non-pumped wells with reactive media for remediating contaminated…”
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Concentrations of Sulfur Dioxide in Urban Air Space Above North Central Texas, United States by Hudak, Paul F.

“…Hourly average sulfur dioxide concentrations in February and August 2022 were compiled, graphed, and evaluated for five air monitoring stations in north…”
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Uranium concentrations and chemical associations in the Southern Gulf Coast Aquifer, Texas by Hudak, Paul F.

“…Dissolved concentrations of uranium and potentially associated parameters, including nitrate, alkalinity, calcium, iron, manganese, vanadium, and fluoride,…”
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Remediating Contaminant Plumes in Groundwater with Shallow Excavations Containing Coarse Reactive Media by Hudak, Paul F.

“…A groundwater flow and mass transport model tested the capability of shallow excavations filled with coarse, reactive media to remediate a hypothetical…”
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Evaluation of non-pumped wells with slurry cutoff walls for containing and removing contaminated groundwater by Hudak, Paul F.

“…A mass transport model simulated low-energy groundwater remediation alternatives, including linear arrays of non-pumped wells fitted with filter cartridges and…”
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Nitrate Concentration Patterns Over Space and Time in a Regionally Sloping Sedimentary Aquifer, Texas, USA by Hudak, Paul F.

“…Nitrate concentrations in a regionally sloping sedimentary aquifer were compiled every 4 years from 1999 to 2015. Sampled wells ranged from 14.6 m deep in the…”
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Chloride/bromide ratios in leachate derived from farm-animal waste by Hudak, Paul F

“…Ratios of conservative chemicals have been used to identify sources of groundwater contamination. While chloride/bromide ratios have been reported for several…”
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Effect of Hydraulic Conductivity Contrast on Non-Pumped Wells in Backfilled Trenches for Aquifer Remediation by Hudak, Paul F.

“…A groundwater flow and mass transport model simulated the remediation capability of non-pumped wells with filter media placed in backfilled trenches in…”
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Associations between Dissolved Uranium, Nitrate, Calcium, Alkalinity, Iron, and Manganese Concentrations in the Edwards-Trinity Plateau Aquifer, Texas, USA by Hudak, Paul F.

“…Dissolved uranium, nitrate, calcium, alkalinity, iron, and manganese concentrations were compiled from samples collected at 108 water wells between 2010 and…”
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A Comprehensive Analysis of Groundwater Quality in The Barnett Shale Region by Hildenbrand, Zacariah L, Carlton, Doug D, Fontenot, Brian E, Meik, Jesse M, Walton, Jayme L, Taylor, Josh T, Thacker, Jonathan B, Korlie, Stephanie, Shelor, C. Phillip, Henderson, Drew, Kadjo, Akinde F, Roelke, Corey E, Hudak, Paul F, Burton, Taylour, Rifai, Hanadi S, Schug, Kevin A

“…The exploration of unconventional shale energy reserves and the extensive use of hydraulic fracturing during well stimulation have raised concerns about the…”
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Inundation patterns and plant growth in constructed wetland characterized by dynamic water budget model by Hudak, Paul F

“…Inundation patterns and plant establishment were observed in a riparian wetland mitigation project following predictions made by a dynamic water budget model…”
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Waterbirds in constructed suburban wetlands, Eastern Denton County, Texas, USA by Proctor, Jayce, Hudak, Paul F., Dick, Gary O., Herrington, Richard

“…Waterbirds were observed at 13 suburban wetlands in the Blackland Prairie of eastern Denton County, Texas, on 45 dates over a year. Five wetlands were built to…”
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Solute distribution in the Ogallala Aquifer, Texas: lithium, fluoride, nitrate, chloride and bromide by Hudak, Paul F.

“…Spatial patterns of lithium, fluoride, nitrate, chloride and bromide in the Ogallala Aquifer of northwestern Texas were mapped and evaluated. Solute…”
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Comparison of permeable reactive barrier, funnel and gate, nonpumped wells, and low-capacity wells for groundwater remediation by Hudak, Paul F.

“…This modeling study compared the performance of a no-action and four active groundwater remediation alternatives: a permeable reactive barrier, a funnel and…”
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Exceedance Frequency Analysis of Contaminants in Streams Under Dry-Weather Conditions in Denton, Texas by Shrestha, Manjul, Hudak, Paul F.

“…Percentages of dry-weather stream samples exceeding water quality criteria for ten parameters were compiled for mixed land use watersheds in north-central…”
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Shallow, Non-pumped Wells: A Low-Energy Alternative for Cleaning Polluted Groundwater by Hudak, Paul F.

“…This modeling study evaluated the capability of non-pumped wells with filter media for preventing contaminant plumes from migrating offsite. Linear…”
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A reconnaissance analysis of groundwater quality in the Eagle Ford shale region reveals two distinct bromide/chloride populations by Hildenbrand, Zacariah L., Carlton, Doug D., Meik, Jesse M., Taylor, Josh T., Fontenot, Brian E., Walton, Jayme L., Henderson, Drew, Thacker, Jonathan B., Korlie, Stephanie, Whyte, Colin J., Hudak, Paul F., Schug, Kevin A.

“…The extraction of oil and natural gas from unconventional shale formations has prompted a series of investigations to examine the quality of the groundwater in…”
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Spatial distribution of nitrate and related factors in the High Plains Aquifer, Texas by Enwright, Nicholas, Hudak, Paul F

“…Utilizing geographic information systems (GIS) and statistics, objectives of this study were to evaluate: (a) the spatial distribution of nitrate…”
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