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Integrated Environmental Assessment and Management

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https://www.readbyqxmd.com/read/28214327/improved-exposure-estimation-in-soil-screening-and-clean-up-criteria-for-volatile-organic-chemicals
#1
George E DeVaull
Soil clean-up criteria define acceptable concentrations of organic chemical constituents for exposed humans. These criteria sum the estimated soil exposure over multiple pathways. Assumptions for ingestion, dermal contact, and dust exposure generally presume a chemical persists in surface soils at a constant concentration level for the entire exposure duration. For volatile chemicals this is an unrealistic assumption. A calculation method is presented for surficial soil criteria which include volatile depletion of chemical for these uptake pathways...
February 18, 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/28195437/water-requirements-and-drinking-rates-of-homing-pigeons-a-consideration-for-exposure-risk-of-migratory-birds
#2
Cristina R Perez, John K Moye, Chris A Pritsos
Access to water along a bird's migratory flyway is essential during the vital process of migration. Because of the scarcity of water in some environments, there is potential for migratory birds to encounter and drink from contaminated bodies of water. Ingestion of contaminated water may cause injury and compromise flying ability, leading to a disruption of migration. To determine injury to birds from potential exposure, it is essential to not only know the concentration of a given contaminant in the water but also the quantity and rate of water consumption by the birds...
February 13, 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/28135038/implementation-of-the-basic-hazard-index-screening-for-health-risks-associated-with-simultaneous-exposure-to-multiple-chemicals-using-a-standardized-target-organ-and-systems-framework
#3
Valerie H Adams, Matthew J McAtee, Mark S Johnson
Environmental health risk assessments often involve assessing the potential health effects of exposure to multiple chemicals at once (i.e., complex mixtures). Because the possible number of chemical combinations is very large, few controlled in vivo toxicological studies with chemical mixtures are relevant or practical. In lieu of specific mixture toxicity data, the segregated hazard index (HI) approach has been used to determine if simultaneous exposures may warrant further investigation due to their combined adverse effects...
January 30, 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/28127947/recommended-approaches-to-the-scientific-evaluation-of-ecotoxicological-hazards-and-risks-of-endocrine-active-substances
#4
Peter Matthiessen, Gerald T Ankley, Ronald C Biever, Poul Bjerregaard, Christopher Borgert, Kristin Brugger, Amy Blankinship, Janice Chambers, Katherine K Coady, Lisa Constantine, Zhichao Dang, Nancy D Denslow, David A Dreier, Steve Dungey, L Earl Gray, Melanie Gross, Patrick D Guiney, Markus Hecker, Henrik Holbech, Taisen Iguchi, Sarah Kadlec, Natalie K Karouna-Renier, Ioanna Katsiadaki, Yukio Kawashima, Werner Kloas, Henry Krueger, Anu Kumar, Laurent Lagadic, Annegaaike Leopold, Steven L Levine, Gerd Maack, Sue Marty, James Meador, Ellen Mihaich, Jenny Odum, Lisa Ortego, Joanne Parrott, Daniel Pickford, Mike Roberts, Christoph Schaefers, Tamar Schwarz, Keith Solomon, Tim Verslycke, Lennart Weltje, James R Wheeler, Mike Williams, Jeffrey C Wolf, Kunihiko Yamazaki
A SETAC Pellston Workshop(®) "Environmental Hazard and Risk Assessment Approaches for Endocrine-Active Substances (EHRA)" was held in February 2016 in Pensacola, Florida, USA. The primary objective of the workshop was to provide advice, based on current scientific understanding, to regulators and policy makers; the aim being to make considered, informed decisions on whether to select an ecotoxicological hazard- or a risk-based approach for regulating a given endocrine-disrupting substance (EDS) under review...
January 27, 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/28127937/antifouling-biocides-in-german-marinas-exposure-assessment-and-calculation-of-national-consumption-and-emission
#5
Dagmar Daehne, Constanze Fürle, Anja Thomsen, Burkard Watermann, Michael Feibicke
The authorization of biocidal antifouling products for leisure boats is subject of the EU Biocides Regulation 528/2012. National specifics may be regarded by the member states in their assessment of environmental risks. The aim of this survey was to collect corresponding data and to create a data base for the environmental risk assessment of antifouling active substances in German surface waters. Water concentrations of current antifouling active substances and selected break-down products were measured in a single-sampling campaign covering 50 marinas at inland and coastal areas...
January 27, 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/28121064/sediment-quality-benchmarks-for-assessing-oil-related-impacts-to-the-deep-sea-benthos
#6
William L Balthis, Jeffrey L Hyland, Cynthia Cooksey, Paul A Montagna, Jeffrey G Baguley, Robert W Ricker, Christopher Lewis
Paired sediment contaminant and benthic infaunal data from prior studies following the 2010 Deepwater Horizon (DWH) oil spill in the Gulf of Mexico were analyzed using logistic-regression models (LRMs) to derive sediment-quality benchmarks for assessing risks of oil-related impacts to the deep-sea benthos. Sediment total Polycyclic Aromatic Hydrocarbon (PAH) and Total Petroleum Hydrocarbon (TPH) concentrations were used as measures of oil exposure. Taxonomic richness (average number of taxa/sample) was selected as the primary benthic response variable...
January 25, 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/28121063/eu-regulators-and-industry-agree-on-improving-specific-environmental-release-categories-report-from-enes-sperc-workshop-on-may-13-2016
#7
Andreas Ahrens, Marianne Moilanen, Sara Martin, Enrique Garcia-John, Daniel Sättler, Joost Bakker, Antonia Reihlen, Thorsten Wind, Johannes Tolls
Specific environmental release categories (SPERCs) are an instrument for lower tier assessments of environmental emissions in the REACH chemical safety assessment. SPERCS have been developed by industry and subject to regulatory review. Within the framework of the CSR/ES Roadmap the EU Chemicals Agency (ECHA), the EU Member State authorities and European industry sector associations collaborate to improve the quality of the SPERCs. Following up on the outcome of ECHA's SPERC Best Practice Project, industry together with ECHA developed an updated SPERC Factsheet template and a guidance how fill it...
January 25, 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/28120523/prioritisation-of-pharmaceuticals-based-on-risks-to-aquatic-environments-in-kazakhstan
#8
Bakhyt Aubakirova, Raikhan Beisenova, Alistair B A Boxall
Over the last 20 years, there has been increasing interest in the occurrence, fate, effects and risk of pharmaceuticals in the natural environment. However, we still have only limited or no data on ecotoxicological risks of many of the active pharmaceutical ingredients (APIs) currently in use. This is partly due to the fact that the environmental assessment of an API is an expensive, time-consuming and complicated process. Prioritisation methodologies, that aim to identify APIs of most concern in a particular situation, could therefore be invaluable in focusing experimental work on APIs that really matter...
January 25, 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/28112484/a-step-toward-regionalized-scale-consistent-agricultural-life-cycle-assessment-inventories
#9
Tiago G Morais, Ricardo Fm Teixeira, Tiago Domingos
Life cycle inventory (LCI) regionalization (i.e., the determination of input and output flows from production processes at a subcountry scale) is a priority in life cycle assessment (LCA) studies, particularly in the agri-food sector. Many regionalized LCAs fail to ensure that microlevel inventories are consistent with country-level aggregated data-or "scale consistent." They also fail to construct LCIs using international reference guidelines and trustworthy standardized data sources. This failure generates inaccuracies and biases in inventories and can compromise comparability among international LCA studies...
January 23, 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/28052490/population-relevant-endpoints-in-the-evaluation-of-endocrine-active-substances-eas-for-ecotoxicological-hazard-and-risk-assessment
#10
Mary S Marty, Amy Blankinship, Janice Chambers, Lisa Constantine, Werner Kloas, Anupama Kumar, Laurent Lagadic, James Meador, Daniel Pickford, Tamar Schwarz, Tim Verslycke
For ecotoxicological risk assessment, endocrine disruptors require the establishment of an endocrine mode of action (MoA) with a plausible linkage to a population-relevant adverse effect. Current ecotoxicity test methods mostly incorporate apical endpoints although some also include mechanistic endpoints, subcellular-through-organ-level, which can help establish an endocrine MoA. However, the link between these endpoints and adverse population-level effects is often unclear. The case studies of endocrine-active substances (EAS) (tributyltin, ethinylestradiol, perchlorate, trenbolone, propiconazole, and vinclozolin) evaluated for the SETAC Pellston Workshop™: Environmental Hazard and Risk Assessment Approaches for Endocrine-Active Chemicals were used to evaluate the population relevance of toxicity endpoints in various taxa according to regulatory endocrine disruptor frameworks such as the OECD Conceptual Framework for Testing and Assessment of Endocrine Disruptors...
January 4, 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/27976826/challenges-in-assigning-endocrine-specific-modes-of-action-recommendations-for-researchers-and-regulators
#11
Ellen M Mihaich, Christoph Schäfers, David A Dreier, Markus Hecker, Lisa Ortego, Yukio Kawashima, Zhi-Chao Dang, Keith Solomon
As regulatory programs evaluate substances for their endocrine-disrupting properties, careful study design and data interpretation are needed to distinguish between responses that are truly endocrine specific and those that are not. This is particularly important in regulatory environments where criteria are under development to identify endocrine-disrupting properties to enable hazard-based regulation. Irrespective of these processes, most jurisdictions use the World Health Organization/International Programme on Chemical Safety definition of an endocrine disruptor, requiring that a substance is demonstrated to cause a change in endocrine function that consequently leads to an adverse effect in an intact organism...
December 15, 2016: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/27976822/multi-criteria-decision-analysis-applied-to-harmful-algal-bloom-management-a-case-study
#12
Chengfang Pang, Artur Radomyski, Vrishali Subramanian, Mandana Nadimi-Goki, Antonio Marcomini, Igor Linkov
Harmful Algal Blooms (HABs) have received greater attention in recent years due to an increase in the frequency of outbreaks and a growing potential for blooms to exact considerable economic losses and negatively impact ecosystem health. Human activity has been shown to intensify HAB outbreaks through increased eutrophication, elevated local air and water temperatures, disturbance of the thermal stratification of lakes, and modification of local hydrology. With the advent of new remediation technologies and a better understanding of the ecological factors affecting HABs, mitigating the adverse effects of HABs has become more feasible than ever before, but still requires balancing mitigation efficiency, environmental impacts, costs, and stakeholder needs...
December 15, 2016: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/27943587/development-and-implementation-of-a-site-specific-water-quality-limit-for-uranium-in-a-high-conservation-value-ecosystem
#13
Rick A van Dam, Alicia C Hogan, Andrew J Harford
Water quality guideline values (GVs) are a key tool for water quality assessments. Site-specific GVs, which incorporate data relevant to local conditions and organisms, provide a higher level of confidence that the GV will protect the aquatic ecosystem at a site compared to generic GVs. Site-specific GVs are, therefore, considered particularly suitable for sites of high sociopolitical or ecological importance. The present paper provides an example of the refinement of a site-specific GV for high ecological value aquatic ecosystems in Kakadu National Park, Northern Territory, Australia, to improve its site specificity and statistical robustness, thereby increasing confidence in its application...
December 12, 2016: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/27943571/a-review-of-ecological-risk-assessment-methods-for-amphibians-comparative-assessment-of-testing-methodologies-and-available-data
#14
REVIEW
Mark S Johnson, Catherine Aubee, Christopher J Salice, Katrina J Leigh, Elissa Liu, Ute Pott, David Pillard
Historically, ecological risk assessments have rarely included amphibian species, focusing preferentially on other aquatic (fish, invertebrates, algae) and terrestrial wildlife (birds and mammal) species. Often this lack of consideration is due to a paucity of toxicity data, significant variation in study design, uncertainty with regard to exposure or a combination of all three. Productive risk assessments for amphibians are particularly challenging given variations in complex life history strategies. Further consideration is needed for the development of useful laboratory animal models and appropriate experimental test procedures which can be effectively applied to the examination of biological response patterns...
December 12, 2016: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/27935241/what-training-and-skills-will-the-ecotoxicologists-of-the-future-require
#15
Meagan J Harris, Duane B Huggett, Jane P Staveley, John P Sumpter
Students and academic researchers conduct a diverse range of studies that add to the growing body of ecotoxicology research. Once an academic researcher entertains an applied research topic, there is potential for that research to be used in local, state or federal regulatory decision or action. The ability of regulatory decision makers to use academic studies to inform decisions is dependent on 1) the relevance of the experiment to regulatory decisions, 2) the reliability of the laboratory and the study itself, and 3) quality reporting of data such that study relevance and reliability are evident...
December 9, 2016: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/27982536/scanning-the-horizon-with-ieam
#16
EDITORIAL
Charles Menzie
No abstract text is available yet for this article.
January 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/27982535/in-memoriam-edward-r-long
#17
Don MacDonald, Mary Lou Haines, Chris Ingersoll
No abstract text is available yet for this article.
January 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/27982534/learned-discourses-timely-scientific-opinions
#18
(no author information available yet)
No abstract text is available yet for this article.
January 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/27982533/age-related-differences-in-sensitivity-to-metals-can-matter-for-daphnia-magna-neonates
#19
Elizabeth M Traudt, James F Ranville, Joseph S Meyer
No abstract text is available yet for this article.
January 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/27982532/is-nitrate-an-endocrine-disruptor
#20
Rikke Poulsen, Nina Cedergreen, Martin Hansen
No abstract text is available yet for this article.
January 2017: Integrated Environmental Assessment and Management
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