Next >>

Wasted food is a major global environmental, social, and economic challenge. To reduce the environmental impact of food waste, the U.S. Environmental Protection Agency (EPA) encourages composting and anaerobic digestion, among other strategies, in lieu of landfilling and incinera...

Although industrial and commercial uses of mercury have been curtailed in recent times, there is a demonstrated need for the development of reliable hazardous waste management techniques because of ongoing hazardous waste generation and historic operations that have led to signif...

Remediation of sediments and water contaminated hydrophobic organic chemicals (HOCs) such as polychlorinated biphenyls (PCBs) remains a scientific and technical challenge. PCBs-contaminated sediments are ubiquitous despite the production and use of PCBs was banned in 1979 due to...

A location-based illustration of the use of LEAF data for deciding potential treatment or use of contaminated soil from a copper and lead smelter is provided as a complimentary paper on the methodology for conducting a screening assessment using LEAF. The results from the screeni...

Most of the synthetic gypsum generated from wet flue gas desulfurization (FGD) scrubbers is currently being used for wallboard production. Because oxidized mercury is readily captured by the wet FGD scrubber, and coal-fired power plants equipped with wet scrubbers desire to bene...

Currently, in concentrated animal feeding operations (CAFOs), the manure is collected and stored as a liquid or slurry in waste storage ponds specifically designed for this purpose, or in tanks. After storage, a common practice is the land application of the waste with the aim to...

<p>Phase I of LFL-Dominica was highly successful, resulting in a completed national tire inventory and Material Flow Analysis, a waste tire feasibility study, expansion of the project to include organic gardens, identification and screening of three sites for potential LFL implem...

SESD is supporting the 2004 Wood Preservers Initiative by conducting Case Development Investigations/Evaluations (CDIEs) at selected facilities in EPA Region 4. The objectives of these investigations are: 1)to sample wood preserving wastestreams that might be currently mismanage...

The Office of Solid Waste and Emergency Response (OSWER) has identified the development of improved methods for measuring, monitoring, and characterizing complex wastes in soils, sediments, biota, and groundwater as a priority under GOAL 3: LAND PRESERVATION AND RESTORATION:Prese...

Containment research examines hydraulic barriers associated with waste fills and contaminated soil or sediment. For waste facilities, containment can manifest itself in several ways: (1) bottom containment, (2) caps and covers, and (3) perimeter containment/treatment walls.EPA ...

Nutrient pollution is a widespread water quality problem, which originates from excess nutrient runoff from agricultural land, improperly managed farming operations, and point sources such as wastewater treatment plants. Some nutrient pollution impacts include harmful algal bloom...

Contents: Current research on land disposal of municipal solid wastes; Summary of office of solid waste gas and leachate activities; State of Missouri solid waste management activities; Region VII solid waste activities; Landfill research activities in Canada; The effects of indu...

<p>The goal of the project is to calculate the net social, environmental, and economic benefits of a systems approach to organic waste and resource management in Santa Barbara County. To calculate these benefits, a comparative method was chosen of the proposed desi...

The problem of contamination to land and groundwa- ter from improper handling of hazardous materials/ waste is faced by all countries. Also, the need for reliable, cost-effective technologies to address this problem at contaminated sites exists throughout the world. Many countrie...

Micro-X-ray fluorescence (&#181;-XRF) microprobe analysis and micro-X-ray absorption near edge spectroscopy (&#181;-XANES) were employed to identify Fe and Mn phases and their association with selected toxic elements in two biosolids (limed composted and Nu-Earth) containing low ...

The SVNR initiative involves the determination of a compliance rate for the foundry sector in EPA Region 4. A compliance rate is an estimate of the percentage of all the facilities in a population in compliance. The actual rate could be determined if all facilities were inspect...

This study aimed to assess and compare the <I>in vitro</I> and <I>in vivo</I> bioaccessibility/bioavailability of As and Pb in a mining contaminated soil (As 2267 mg kg<SUP>-1</SUP>, Pb 1126 mg kg<SUP>-1</SUP>), after the addition of conventional (phosphoric acid), opportunistic ...

Various anthropogenic activities generate hazardous solid wastes that are affluent in heavy metals, which can cause significant damage to the environment and human health. Heavy metals/metalloids can exist in multiple oxidation states, and can undergo oxidation or reduction when ...

Various anthropogenic activities generate hazardous solid wastes that are affluent in heavy metals, which can cause significant damage to the environment and human health. Heavy metals/metalloids can exist in multiple oxidation states, and can undergo oxidation or reduction when ...

We identified and evaluated five life-cycle assessment tools that community decision makers can use to assess the environmental and economic impacts of end-of-life (EOL) materials management options. The tools evaluated in this report are waste reduction mode (WARM), municipal s...

The areas of food, energy, and water are crucial sectors in human life, and these are posing significant challenges in economic, environmental, and social areas as the population continues to grow. Managing the organic waste generated from those economic sectors who support the w...

A vast majority of literature on bimetals deals with aqueous contaminants, very little being on organics strongly adsorbed on sediments and hence very challenging to remediate. Having previously reported materials, mechanistic and parametric aspects of PCB dechlorination with Pd...

The dispersion of a layered iron(III)-(oxy)hydroxide intercalated with dodecanoate (oxGR<SUB>C12</SUB>, Fe<SUB>3</SUB><SUP>III</SUP>O<SUB>2.18</SUB>(OH)<SUB>3.13</SUB>(C<SUB>12</SUB>H<SUB>23</SUB>O<SUB>2</SUB>)<SUB>0.56</SUB>(SO<SUB>4</SUB>)<SUB>0.47</SUB>; derived from the corr...

As part of the effort to meet the TSCA requirements, EPA published in 2016 an initial list of the first 10 chemicals substances to address risk evaluation. However, in the conceptual models developed for the above substances, some pathways not further analyzed are related to rele...

Plastic growing demand and the increment in global plastics production have raised the number of spent plastics, out of which over 90% are either landfilled or incinerated. Both methods for handling spent plastics are susceptible to releasing toxic substances, damaging air, water...