Evaluation of steady-state soil concentrations for persistent organic pollutants (POPs)



Publisher: U.S. Environmental Protection Agency, National Exposure Research Laboratory, Ecosystems Research Division in Athens, GA (960 College Station Rd., Athens 30605-2720)

Written in English
Published: Downloads: 172
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Subjects:

  • Persistent pollutants -- Measurement,
  • Soil pollution -- Measurement

Edition Notes

Other titlesEvaluation of steady state soil concentrations for persistent organic pollutants (POPs)
StatementRobert F. Carousel and HydroGeoLogic, Inc
ContributionsHydroGeoLogic, Inc, National Exposure Research Laboratory (U.S.). Ecosystems Research Division
The Physical Object
FormatMicroform
Pagination1 v. (various pagings)
ID Numbers
Open LibraryOL18095976M

Exposure Model for Soil-Organic Fate and Transport (EMSOFT) EMSOFT is used to explore how chemicals in the soil can vaporize and become an inhalation exposure risk in humans. The model can predict concentrations of soil contaminants, rates of transfer into the atmosphere, and potential ingestion and dermal contact risks. Evaluation of Background Criteria Pollutants Table a Animal Transfer Coefficients for Persistent Organic Chemicals. Air Toxics Hot Spots Program Risk Assessment Guidelines; Technical Support Document for Exposure Assessment and Stochastic Analysis. Available online at. This is called cold condensation; it can be responsible for high concentrations of persistent organic pollutants in remote arctic and alpine regions (Simonich and Hites , Blais et al. ), including in some western national parks. These persistent organic pollutants can then accumulate and biomagnify at higher levels of the food web. Aug 26,  · Informations- und Dokumentationssystem Umwelt Persistent Organic Pollutants (POPs) - bibliographischer Auszug aus ULIDAT und UFORDAT - Bearbeiter: .

The Scientific World Journal is a peer-reviewed, Open Access journal that publishes original research, reviews, and clinical studies covering a wide range of subjects in science, technology, and medicine. The journal is divided into 81 subject anwalt-sbg.com by: 2. The upscaled model captured the initial pseudo‐steady state flux‐weighted concentration and generally captured the transition from a ganglia‐dominated to a pool‐dominated source zone, but in some cases failed to accurately predict the flux‐weighted concentration eluting from the source zone at high levels (>80%) of mass removal (e.g Cited by: Dec 01,  · Free Online Library: Process, performance, and pollution potential: a review of septic tank-soil absorption systems. by "Australian Journal of Soil Research"; Agricultural industry Earth sciences Septic systems Environmental aspects Septic tanks Sewage disposal Soils Composition. As sewage sludge also contains potentially hazardous substances (pathogens, heavy metals and organic micro-pollutants) this recycling path is subject to various legal constraints (US/EPA Biosolids Rule and NPDS, EU Sludge Directive 86/, numerous national and regional sludge regulations, soil protection regulations) and is still a matter of Cited by: 5.

Alkinisation is a form of salinisation where the water contains sodium or sodium salts causing the soil to disintegrate completely and become rock-hard waste. AQS is the Air Quality Strategy introduced in the Environmental Act This strategy sets levels for nine pollutants, to protect human health or . lowing: i) steady-state movement of water and salts through soil, ii) negligible amount of rainfall compared to irrigation, iii) neither precipitation of salts nor weath-ering of soil minerals, iv) total mixing of the infiltrating water with the soil solution, that is, no by-pass flow, . Organic compounds are extracted from rain water with, for example, dichloromethane, or blown out with argon and adsorbed with Tenax tubes (only highly volatile materials). The materials are then subjected to a gas chromatographic analysis (see “Measurement procedures for organic air pollutants”, below). The concentration of fipronil in the leachate from the three soils correlated inversely with soil organic carbon content. This study is a follow up to earlier work on bromacil concentrations in soil profiles in a pineapple field in central Oahu, Hawaii. Calibrating steady .

Evaluation of steady-state soil concentrations for persistent organic pollutants (POPs) Download PDF EPUB FB2

EVALUATION OF STEADY-STATE SOIL CONCENTRATIONS FOR PERSISTENT ORGANIC POLLUTANTS (POPS) United States Environmental Protection Agency National Exposure Research Laboratory Ecosystems Research Division College Station Rd.

Athens, GA Robert F. Carousel EPA Task Leader and HydroGeoLogic, Inc. Herndon Parkway, Suite Herndon, VA. Get this from a library. Evaluation of steady-state soil concentrations for persistent organic pollutants (POPs).

[Robert F Carousel; HydroGeoLogic, Inc.; National Exposure Research Laboratory (U.S.). Ecosystems Research Division.]. Plant Phylogeny and the Remediation of Persistent Organic Pollutants. were % ± of their concentrations in the soil at harvest time, and % ± for alfalfa grown on heptachlor.

Soil is the thin outer zone of the earth's crust that supports rooted plants and is the product of climate and living organisms acting on rock. A true soil is a mixture of air, water, mineral, and organic components. The relative proportions of these components determine the.

Oct 18,  · A number of chemicals, including several organochlorine pesticides, have been identified as persistent organic pollutants (POPs).

The POPs were first brought to the attention of the general public by Rachel Carson in her book Silent Spring. In that now famous book, she pointed out that a number of chemicals, including the pesticide Cited by: Are the ratios of the two concentrations at steady state in the medium pairs of air-water, air-soil, water-soil, water-sediment, and soil-sediment.

Surveying Results of Persistent organic. The Agency for Toxic Substances and Disease Registry defined persistent organic pollutants as “organic substances that possess toxic properties, resist degradation, bio-accumulate and are transported, through air, water and migratory species, across international boundaries and deposited far from their place of release, where they accumulate Cited by: 2.

Worldwide there is concern about the continuing release of persistent organic pollutants (POPs) into the environment.

To complete an environmental forensic investigation of POPs in the terrestrial environment, an understanding of the source, fate, and behavior of POPs in terrestrial media is anwalt-sbg.com by: 8. Soil organic matter beyond molecular structure Part I: Macromolecular and supramolecular characteristics.

Plant Nutr. Soil Sci., _Sweetman, A.J., M.D. Valle, K. Prevedouros and K.C. Jones. The role of soil organic carbon in the global cycling of persistent organic pollutants (POPs): interpreting and modelling field data.

May 13,  · In the summer ofwe measured the aggregate exposures of nine preschool children, aged 2–5 years, to a suite of organic pesticides and other persistent organic pollutants that are Cited by: The northern fulmar (Fulmarus glacialis) is defined as an indicator species of plastic pollution by the Oslo-Paris Convention for the North-East Atlantic, but few data exist for fulmars from Norway.

Moreover, the relationship between uptake of plastic and pollutants in seabirds is poorly understood. We analyzed samples of fulmars from Norwegian waters and compared the POP concentrations in. Elevated concentrations of various industrial-use Persistent Organic Pollutants (POPs), such as polychlorinated biphenyls (PCBs), have been reported in some developing areas in subtropical and tropical regions known to be destinations of e-waste.

We used a recent inventory of the global generation and exports of e-waste to develop various global scale emission scenarios for industrial-use Cited by: Gwen O’Sullivan, David Megson, in Environmental Forensics for Persistent Organic Pollutants, Organic Carbon Water Partition Coefficient (log K oc) The organic carbon water partition coefficient is a dimensionless number defined as the ratio of a chemical’s concentration absorbed per unit mass of soil, to its concentration in the aqueous phase.

Modified from Land Farming (UHI ). Surface Water. Constructed anwalt-sbg.com CLU-IN web page on Phytotechnologies contains more information on how constructed treatment wetlands can be used to clean up contamination in surface water.

Solid-Water Mixtures. Slurry Bioreactors are used for treatment of soil, sediments, sludge, and other solid or semi-solid wastes. The Foundation for Global Action on Persistent Organic Pollutants: A United States Perspective Office of Research and Development Washington, DC EPA//P/F NCEA-I March anwalt-sbg.com Disclaimer Mention of trade names or commercial products does not constitute endorsement or recommendation for use.

A model which has successfully explained diel variability of persistent organic pollutants (POPs) over land could not reproduce the observed diel cycle by considering variability in temperature, atmospheric OH radical concentrations, atmospheric boundary layer height and wind speed as causal anwalt-sbg.com by: 1.

The purpose of this study was to assess the suitability of various spiking procedures for the introduction of persistent organic pollutants (POPs) into soil environments.

{sup 14}C-radiolabeled analogues of two representative polycyclic aromatic hydrocarbons (PAHs), phenanthrene (Phe), and benzo[a]pyrene (B[a]P), were introduced into soil using. Connell D.W.

() Bioaccumulation Behavior of Persistent Organic Chemicals with Aquatic Organisms. In: Ware G.W. (eds) Reviews of Environmental Contamination and Toxicology.

Reviews of Environmental Contamination and Toxicology, vol Cited by: May 01,  · The oldest of these programs is the Stockholm Convention on Persistent Organic Pollutants. More recent programs address persistent, bioaccumulative, and toxic (PBT) properties for chemicals in general (Registration, Evaluation, Authorisation and Restriction of Chemicals, REACH; EC /) and plant protection products (PPPs) (EC /).Cited by: Sep 21,  · Residues of some organic pollutants, their bioaccumulation, and risk assessments profile in Lake Temsah, Ismailia, Egypt, Tawfic Ahmed M, Almatari, MS, Yousry M Ahmed, Laila Reda aCited by: 1.

Equilibrium Sampling to Determine the Thermodynamic Potential for Bioaccumulation of Persistent Organic Pollutants from SedimentCited by: Bioremediation Biological treatment involves the use of microorganisms to degrade or facilitate the degradation of chemicals.

Many naturally occurring microorganisms (typically, heterotrophic bacteria and fungi) can transform hazardous chemicals to substances that. This chapter summarizes the physical, chemical, and biological processes that together comprise the science of contaminant bioavailability in soils and sediments.

These processes are strongly influenced by a range of site-specific variables, such as soil or sediment composition, contaminants of. Although primary emissions of legacy persistent organic pollutants (POPs) have generally declined in recent years, concentrations of some POPs (e.g., PCBs, which are hydrophobic) in the atmosphere over open ocean areas have not reduced accordingly [1,2] which may be due to secondary emissions in capacitors such as oceans, soil and sediments [].For less hydrophobic POPs, multi-hopping can Cited by: 3.

We investigated the transfer of persistent organic pollutants (POPs) from unspiked bottom sediment to a benthic marine fish, marbled sole (Pleuronectes yokohamae), via non-food-chain pathways, i.e., via sediment particles and water column.

One-year-old sole were held for 28 days in an exposure tank with bottom sediment or in a control tank. o,p′-DDE and tri- to penta-chlorobiphenyls were Cited by: 9. 2 The model employed was a simple dilution model that does not account for fate processes.

ES-4 with direct and indirect discharges for the three subcategories of CWT facilities using stream dilution modeling.2 EPA analyzed the effects from direct and indirect discharge operations separately.

EPA had sufficient data to analyze water quality impacts for of the CWT facilities. Results from fate and exposure models have often been found to agree well with field data; this includes at the global level, 63,– and at the continental level – for selected persistent organic pollutants, and also in local and regional systems, such as the cases of diuron in a small, highly dynamic tropical catchment, plant Cited by: This chapter contains the findings of the Subcommittee on Adsorption of the National Research Council's Safe Drinking Water Committee, which studied the efficacy of granular activated carbon (GAC) and related adsorbents in the treatment of drinking water.

Some attention is given to an examination of the potential health effects related to the use of these adsorbents, but detailed toxicological.

For dairy cows, a steady state concentration is predicted due to the excretion of dioxins in milk after weeks (Heeschen et al., in McLachlan and Richter, ) while in beef cattle concentrations will increase (although dilution due to increasing biomass is important to consider) (McLachlan, ).

This chapter addresses several chemical pollutants with respect to their sources, concentrations, and indoor-outdoor relationships. In addition, with the aim of characterizing the general quality of the indoor environment, it considers temperature, humidity, unwanted sound, and electromagnetic radiation, such as the radiofrequency, infrared, visible, ultraviolet, and x-ray portions of the.

Persistent pollutants can be carried long distances from their emission sources, go through various chemical and physical transformations, and pass numerous times through soil, water, or food. Dioxins, furans, and mercury are examples of persistent pollutants for which incinerators have contributed a substantial portion of the total national emis.Start studying AP Environmental Book Vocabulary.

Learn vocabulary, terms, and more with flashcards, games, and other study tools. -in a steady state, but state itself can change slowly over time consumption of decomposers causes oxygen concentrations to fall sharply, suffocating shrimp and fish and creating dead zone.Level 4 shows concentrations at selected time intervals after stop of emission.

Some aquatic bioaccumulation rules for persistent organic pollutants (POPs) /3,10/ from modeled water concentrations are also applied in FATEMOD to produce estimates of levels in water biota.