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Articles 1 - 30 of 155
Full-Text Articles in Physical Sciences and Mathematics
Residential Metals Abatement Program Construction Completion Report Kennedy Elementary, Christopher Berg, Thomas J. Beckman, Environmental Resource Management (Erm)
Residential Metals Abatement Program Construction Completion Report Kennedy Elementary, Christopher Berg, Thomas J. Beckman, Environmental Resource Management (Erm)
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Medical Monitoring Working Group Meeting Minutes, Mike Mcanulty
Medical Monitoring Working Group Meeting Minutes, Mike Mcanulty
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Approved Butte Priority Soils Operable Unit (Bpsou) Unreclaimed And Insufficiently Reclaimed Sites Request For Change 2023-02, Mike Mcanulty
Approved Butte Priority Soils Operable Unit (Bpsou) Unreclaimed And Insufficiently Reclaimed Sites Request For Change 2023-02, Mike Mcanulty
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Investigating The Mobility Of Arsenic In Subarctic Mining Pollution-Affected Peatlands Near Yellowknife, Northwest Territories, Jeremy Leathers
Investigating The Mobility Of Arsenic In Subarctic Mining Pollution-Affected Peatlands Near Yellowknife, Northwest Territories, Jeremy Leathers
Theses and Dissertations (Comprehensive)
Arsenic (As) is a pollutant of global concern that is detrimental to human and environmental health. Between 1948 and 2004, mining operations near Yellowknife, NT released over 20,000 tonnes of As trioxide (As2O3) that continues to persist in the surrounding landscape. Although much effort has been put into studying the chemical forms, spatial distribution, ecological impacts, and environmental cycling of As in the area, more work is needed to determine the controls of As mobility between the terrestrial and aquatic components of the landscape. Soils are known reservoirs of legacy As that can release it downslope …
Arsenic Speciation By Using Emerging Sample Preparation Techniques: A Review, Muhammad Saqaf Jagirani, Mustafa Soylak
Arsenic Speciation By Using Emerging Sample Preparation Techniques: A Review, Muhammad Saqaf Jagirani, Mustafa Soylak
Turkish Journal of Chemistry
Arsenic is a hazardous element that causes environmental pollution. Due to its toxicological effects, it is crucial to quantify and minimize the hazardous impact on the ecology. Despite the significant advances in analytical techniques, sample preparation is still crucial for determining target analytes in complex matrices. Several factors affect the direct analysis, such as trace-level analysis, advanced regulatory requirements, complexity of sample matrices, and incompatible with analytical instrumentation. Along with the development in the sample preparation process, microextraction methods play an essential role in the sample preparation process. Microextraction techniques (METs) are the newest green approach that replaces traditional sample …
Leaching Performance Of Nanotechnology-Induced High-Arsenic-Bearing Tooeleite-Like Mineral Nanowaste, Arindam Malakar, Sanjit Das, Samirul Islam, Rajneesh Singh, Sugata Ray
Leaching Performance Of Nanotechnology-Induced High-Arsenic-Bearing Tooeleite-Like Mineral Nanowaste, Arindam Malakar, Sanjit Das, Samirul Islam, Rajneesh Singh, Sugata Ray
Nebraska Water Center: Faculty Publications
For arsenic decontamination from groundwater, arsenic crystallization is becoming adopted due to its sustainability and economic benefits. However, arsenic crystallization technology is a two-step process, which makes it complex and generates hazardous waste. Successful efforts toward making it a single-step process are presented here. The addition of nanorods and ball-milled zinc sulfide nanoparticles to arsenic-contaminated water result in highly monodispersed and higharsenic- containing mineralized nanowaste with a crystalline structure similar to the mineral Tooeleite ((Fe3+6(As3+O3)4SO4(OH)4•4H2O)). This study reports the results of a short-term stability test …
Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) Kennedy Elementary School, Environmental Resource Management (Erm)
Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) Kennedy Elementary School, Environmental Resource Management (Erm)
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Contrasting Seasonal Cycling Of Arsenic In A Series Of Subarctic Shield Lakes With Different Morphometric Properties, Jeremy Harbinson
Contrasting Seasonal Cycling Of Arsenic In A Series Of Subarctic Shield Lakes With Different Morphometric Properties, Jeremy Harbinson
Theses and Dissertations (Comprehensive)
The subarctic shield near Yellowknife, Northwest Territories (NWT), is populated with thousands of small lakes (<1.5 km2) and several large lakes. Historic mining activities in the region have left a legacy of environmental impacts and widespread arsenic (As) contamination in both aquatic and terrestrial environments. In particular, several small subarctic lakes near Yellowknife have been previously documented to be contaminated with high levels of As. Subarctic lakes are characterized by seasonal ice-cover that can persist for more than half of the year, yet little is known about the under-ice spatial and seasonal dynamics of As cycling. The objective of …1.5>
Comparison Of Sieved Soil Sample Results From Butte-Silver Bow Multi-Pathway Residential Metals Abatement Program: 250 Μm And 150 Μm Sieved Samples For Lead And Arsenic Enrichment Determination Atlantic Richfield Company Butte, Montana, Ramboll, Environmental Standards, Inc.
Comparison Of Sieved Soil Sample Results From Butte-Silver Bow Multi-Pathway Residential Metals Abatement Program: 250 Μm And 150 Μm Sieved Samples For Lead And Arsenic Enrichment Determination Atlantic Richfield Company Butte, Montana, Ramboll, Environmental Standards, Inc.
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Comparison Of Sieved Soil Sample Results From Butte-Silver Bow Multi-Pathway Residential Metals Abatement Program: 250 Μm And 150 Μm Sieved Samples For Lead And Arsenic Enrichment Determination Atlantic Richfield Company Butte, Montana, Ramboll, Environmental Standards, Inc.
Comparison Of Sieved Soil Sample Results From Butte-Silver Bow Multi-Pathway Residential Metals Abatement Program: 250 Μm And 150 Μm Sieved Samples For Lead And Arsenic Enrichment Determination Atlantic Richfield Company Butte, Montana, Ramboll, Environmental Standards, Inc.
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Table1 Erm Rmap Dust 2022 Revision Summary - Final Qualified, Environmental Resource Management (Erm)
Table1 Erm Rmap Dust 2022 Revision Summary - Final Qualified, Environmental Resource Management (Erm)
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Table 2 Erm Rmap Dust 2022 Revision Summary Final, Environmental Resource Management (Erm)
Table 2 Erm Rmap Dust 2022 Revision Summary Final, Environmental Resource Management (Erm)
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Rmap Interior Schools Project, Liz Stacks
Rmap Interior Schools Project, Liz Stacks
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
An Improved Bio-Based Activated Carbon For The Water Treatment Of A Lagoon In Northern Mexico Based On Life Cycle Assessment Methodology, Leticia Elizabeth Rodriguez
An Improved Bio-Based Activated Carbon For The Water Treatment Of A Lagoon In Northern Mexico Based On Life Cycle Assessment Methodology, Leticia Elizabeth Rodriguez
Open Access Theses & Dissertations
In this research, different options in the preparation of activated carbon are investigated looking at potential environmental impacts, production cost improvement and physical characteristics for water treatment. The activated carbon made with agricultural waste is compared to activated carbon made with hard coal. Life cycle assessment techniques follow ISO 14040 to 14044 standards are used and calculations were performed using GaBi _education 18® software and databases at mid-point TRACI impact categories. The results of the life cycle impact assessment show that, compared to activated carbon made with hard coal, activated carbon made with peanut shell and rice husk allows reductions …
Drivers Of Pb, Sb And As Release From Spent Gunshot In Wetlands: Enhancement By Organic Matter And Native Microorganisms, Anna Potysz, Łukasz J. Binkowski, Jakub Kierczak, Barnett A. Rattner
Drivers Of Pb, Sb And As Release From Spent Gunshot In Wetlands: Enhancement By Organic Matter And Native Microorganisms, Anna Potysz, Łukasz J. Binkowski, Jakub Kierczak, Barnett A. Rattner
United States Geological Survey: Staff Publications
In many countries the use of lead-based ammunition is prevalent, and results in exposure and poisoning of waterfowl and other species of birds. In waterfowl hunting areas large quantities of spent shot may be deposited in wetland and terrestrial habitats. These pellets can undergo transformations, which are influenced by various abiotic and biotic factors. In addition to lead (Pb), other elements like antimony (Sb) and arsenic (As) can be leached from Pb shot into the environment. In vitro simulations that included organic matter and microorganisms were utilized to examine elemental leaching from gunshot. We found that leaching efficiency was the …
Tables A1, A2, A3, A4, A5 2021, Pioneer Technical Services, Inc., Environmental Protection Agency
Tables A1, A2, A3, A4, A5 2021, Pioneer Technical Services, Inc., Environmental Protection Agency
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
2021 Second Quarter Laboratory Edd, Environmental Protection Agency, Pioneer Technical Services, Inc.
2021 Second Quarter Laboratory Edd, Environmental Protection Agency, Pioneer Technical Services, Inc.
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Electronic Data Wssou For Dsr, Environmental Protection Agency, Pioneer Technical Services, Inc.
Electronic Data Wssou For Dsr, Environmental Protection Agency, Pioneer Technical Services, Inc.
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
10585806 Edd, Pioneer Technical Services, Inc., Environmental Protection Agency
10585806 Edd, Pioneer Technical Services, Inc., Environmental Protection Agency
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
2021 3q Laboratory Edds, Pioneer Technical Services, Inc., Environmental Protection Agency
2021 3q Laboratory Edds, Pioneer Technical Services, Inc., Environmental Protection Agency
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
10578145, Pioneer Technical Services, Inc., Environmental Protection Agency
10578145, Pioneer Technical Services, Inc., Environmental Protection Agency
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
2021 3q Btl Chemdump, Pioneer Technical Services, Inc., Environmental Protection Agency
2021 3q Btl Chemdump, Pioneer Technical Services, Inc., Environmental Protection Agency
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
10577877 Edd, Environmental Protection Agency, Pioneer Technical Services, Inc.
10577877 Edd, Environmental Protection Agency, Pioneer Technical Services, Inc.
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Removal Of Arsenic (Iii) And Arsenic (V) From Aqueous Solution Via Common Sunflower Helianthus Annuus By Phytoremediation, Irving A. Vazquez Hurtado
Removal Of Arsenic (Iii) And Arsenic (V) From Aqueous Solution Via Common Sunflower Helianthus Annuus By Phytoremediation, Irving A. Vazquez Hurtado
Theses and Dissertations
Phytoremediation provides a cost-effective, non-invasive technique to remove contaminants from the soil and groundwater. Sunflowers are fast growing and have a showed effective at removing various pollutants from soil, including lead and other heavy metals. Health issues related to arsenic are mainly attributed to exposure of arsenite, whereas arsenate is much less toxic. The common sunflower Helianthus annuus was the species used to remove both arsenic (III) and As(V) ions from hydroponics solutions. In the present study sunflower seeds were germinated for a week, placed under the sun for a day and subsequently placed in a nutrient solution to aid …
Arsenic In Groundwater Sources From Selected Communities Surrounding Taal Volcano, Philippines: An Exploratory Study, Geminn Louis C. Apostol, Sary Valenzuela, Xerxes Seposo
Arsenic In Groundwater Sources From Selected Communities Surrounding Taal Volcano, Philippines: An Exploratory Study, Geminn Louis C. Apostol, Sary Valenzuela, Xerxes Seposo
Ateneo School of Medicine and Public Health Publications
Arsenic (As) is a highly toxic, carcinogenic trace metal that can potentially contaminate groundwater sources in volcanic regions. This study provides the first comparative documentation of As concentrations in groundwater in a volcano-sedimentary region in the Philippines. Matched, repeated As measurements and physico-chemical analyses were performed in 26 individual wells from 11 municipalities and city in Batangas province from July 2020 to November 2021. Using the electrothermal atomic absorption spectrometric method, analysis of the wells revealed that in 2020, 23 out of 26 (88.46%) had As levels above the WHO limit of >10 ppb while 20 out of 26 wells …
Arsenic In Groundwater Sources From Selected Communities Surrounding Taal Volcano, Philippines: An Exploratory Study, Geminn Louis C. Apostol, Sary Valenzuela, Xerxes Seposo
Arsenic In Groundwater Sources From Selected Communities Surrounding Taal Volcano, Philippines: An Exploratory Study, Geminn Louis C. Apostol, Sary Valenzuela, Xerxes Seposo
Ateneo School of Medicine and Public Health Publications
Arsenic (As) is a highly toxic, carcinogenic trace metal that can potentially contaminate groundwater sources in volcanic regions. This study provides the first comparative documentation of As concentrations in groundwater in a volcano-sedimentary region in the Philippines. Matched, repeated As measurements and physico-chemical analyses were performed in 26 individual wells from 11 municipalities and city in Batangas province from July 2020 to November 2021. Using the electrothermal atomic absorption spectrometric method, analysis of the wells revealed that in 2020, 23 out of 26 (88.46%) had As levels above the WHO limit of >10 ppb while 20 out of 26 wells …
Residential Metals Abatement Program Quality Assurance Project Plan (Non-Residential Parcels - Indoor Dust), Elsie King, Christopher Berg, Environmental Resource Management (Erm)
Residential Metals Abatement Program Quality Assurance Project Plan (Non-Residential Parcels - Indoor Dust), Elsie King, Christopher Berg, Environmental Resource Management (Erm)
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
2021 3q Btl Chemdump, Pioneer Technical Services, Inc.
2021 3q Btl Chemdump, Pioneer Technical Services, Inc.
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
2021 3q Laboratory Edd, Pioneer Technical Services, Inc.
2021 3q Laboratory Edd, Pioneer Technical Services, Inc.
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
The Three-Way Interplay Among Early Life Exposures, The Gut Microbiome, And Outcomes In Infancy, Yuka Moroishi
The Three-Way Interplay Among Early Life Exposures, The Gut Microbiome, And Outcomes In Infancy, Yuka Moroishi
Dartmouth College Ph.D Dissertations
The bidirectional relationship between the gut microbiome and immune system plays an important role in host immune status: the immune system provides the gut microbiome the optimal environment to thrive in, and the gut microbiome helps regulate the immune system. This relationship is especially important in infants, whose immune system is still premature and rely on innate immunity.
We investigated the three-way interplay among early-life exposures, the developing gut microbiome, and outcomes in infancy from the general population in New Hampshire, US. We used prospective cohort data from the New Hampshire Birth Cohort study to 1) determine whether timing of …