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Integrated Environmental Assessment and Management

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https://www.readbyqxmd.com/read/28621507/incorporating-the-joint-toxicity-of-co-applied-pesticides-into-the-ecological-risk-assessment-process
#1
Jason B Belden, Richard A Brain
Pesticides are frequently formulated as mixtures of active ingredients. Although traditionally ecological risk assessments (ERA) have focused on individual active ingredients, there is an ongoing effort in many jurisdictions to more formally include assessment of mixtures. The overall goal of this project was to describe an approach for conducting ERA of jointly applied pesticides. We suggest that standard testing of formulation mixtures is not warranted due to the low probability of synergy occurring at a high enough magnitude to be measurable above experimental variability...
June 16, 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/28613433/a-weight-of-evidence-framework-for-environmental-assessments-inferring-qualities
#2
Glenn Suter, Susan Cormier, Mace Barron
The weighing of heterogeneous evidence such as conventional laboratory toxicity tests, field tests, biomarkers, and community surveys is essential to environmental assessments. Evidence synthesis and weighing is needed to determine causes of observed effects, hazards posed by chemicals or other agents, the completeness of remediation, and other environmental qualities. As part of its guidelines for WoE in ecological assessments, the U.S. Environmental Protection Agency has developed a generally applicable framework...
June 14, 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/28613402/a-weight-of-evidence-framework-for-environmental-assessments-inferring-quantities
#3
Glenn Suter, Susan Cormier, Mace Barron
The U.S. Environmental Protection Agency (USEPA) has developed a generally applicable framework for a weight-of-evidence (WoE) process for deriving quantitative values from multiple estimates. These guidelines are intended for environmental assessments that require the generation of quantitative parameters such as degradation rates or that develop quantitative products such as criterion values or magnitudes of effects. The basic steps are to weigh evidence for the environmental quality to be quantified, generate the value by merging estimates or by identifying the best estimate, and weight the results to determine confidence in the numerical value...
June 14, 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/28612353/lca-case-study-tertiary-treatment-process-options-for-wastewater-reuse
#4
Erwan Carré, Joana Beigbeder, Vincent Jauzein, Guillaume Junqua, Miguel Lopez-Ferber
Tertiary treatment process (including filtration and/or disinfection) is necessary to obtain a water quality suited for high-quality reuse from wastewater treatment. Industrial pilots representing small real size treatment units were set up downstream of a conventional secondary treatment of a wastewater treatment plant in the South of France and their performance followed for two years. Life-cycle assessment (LCA) methodology is used to compare the environmental impacts of different treatment processes. Five tertiary treatment trains were studied: 1) sand filtration + storage followed by ultraviolet (UV) dynamic reactor disinfection (SF-UVD), 2) sand filtration (SF) + UV batch reactor disinfection (SF-UVB), 3) ultrafiltration (UF), 4) ultrafiltration and UV batch reactor disinfection (UF-UVB), 5) microfiltration (MF) and storage followed by dynamic UV disinfection (MF-UVD)...
June 13, 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/28600872/anatomy-of-a-decision-ii-potential-effects-of-changes-to-tier-i-chemical-approaches-in-canadian-disposal-at-sea-program-sediment-assessment-protocols
#5
Sabine E Apitz, Suzanne Agius
The effects of possible changes to the Canadian two tiered assessment framework for dredged material based on outcomes of the 2006 Contaminated Dredged Material Management Decisions Workshop (CDMMD) are evaluated. Expanding on the "data mining" approach described in Apitz and Agius, 2013, which focused solely on chemical lines of evidence, the efficacy of Tier 1 approaches (increases to the number of chemical analytes, use of mean hazard quotients and the use of a screening bioassay) in predicting toxicity are evaluated...
June 10, 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/28585730/recommendations-for-the-derivation-and-use-of-biota-sediment-bioaccumulation-models-for-carcinogenic-pahs
#6
Suzanne Replinger, Shannon Katka, John Toll, Brian Church, Lisa Saban
Carcinogenic polycyclic aromatic hydrocarbons (cPAHs) are important sediment contaminants that can pose health risks to people who eat shellfish from contaminated sites. Biota-sediment accumulation factors (BSAFs) are quotients of co-located lipid-normalized tissue concentrations and organic carbon (OC)-normalized sediment concentrations, while biota-sediment accumulation regressions (BSARs) are models describing the relationships between these tissue and sediment concentrations. BSAR/Fs are commonly used to back-calculate sediment preliminary remediation goals (PRGs) from target tissue concentrations; the PRGs are then used to set target action levels (i...
June 6, 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/28577331/risk-based-prioritization-method-for-the-classification-of-groundwater-pesticide-pollution-from-agricultural-regions
#7
Yu Yang, Xin-Ying Lian, Yong-Hai Jiang, Bei-Dou Xi, Xiao-Song He
Agricultural regions are a significant source of groundwater pesticide pollution. To ensure that agricultural regions with a significantly high risk of groundwater pesticide contamination are properly managed, a risk-based ranking method related to groundwater pesticide contamination is needed. In this paper, a risk-based prioritization method for the classification of groundwater pesticide pollution from agricultural regions was established. The method encompasses three phases, including indicator selection, characterization, and classification...
June 3, 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/28548694/towards-a-proportionality-assessment-of-risk-reduction-measures-aimed-at-restricting-the-use-of-persistent-and-bioaccumulative-substances
#8
Frans Oosterhuis, Roy Brouwer, Martien Janssen, Julia Verhoeven, Cees Luttikhuizen
International chemicals legislation aims at adequately controlling persistent organic pollutants (POPs) and substances of very high concern (SVHCs), such as persistent, bioaccumulative and toxic (PBT) and very persistent and very bioaccumative (vPvB) substances, with a view to progressively substitute these substances with suitable less hazardous alternatives. Using cost-effectiveness analysis to assess the (dis)proportionality of measures to control such substances (collectively called PBT in this paper) requires benchmarks...
May 26, 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/28418204/modeling-aesthetics-to-support-an-ecosystem-services-approach-for-natural-resource-management-decision-making
#9
Pieter N Booth, Sheryl A Law, Jane Ma, John Buonogurio, James Boyd, Jessica Turnley
This paper reviews literature on aesthetics and describes the development of vista and landscape aesthetics models. Spatially explicit variables were chosen to represent physical characteristics of natural landscapes that are important to aesthetic preferences. A vista aesthetics model evaluates the aesthetics of natural landscapes viewed from distances over 1,000 m. and a landscape aesthetics model evaluates the aesthetic value of wetlands and forests within 1,000 m from the viewer. Each of the model variables is quantified using spatially-explicit metrics on a pixel-specific basis within EcoAIM™, a GIS-based ecosystem services decision analysis support tool...
April 18, 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/28387998/anatomy-of-a-decision-iii-evaluation-of-national-disposal-at-sea-program-action-level-efficacy-considering-2-chemical-action-levels
#10
Sabine E Apitz, Chris Vivian, Suzanne Agius
The potential performance (i.e., ability to separate nontoxic from toxic sediments) of a range of international Disposal at Sea (DaS) chemical Action Levels (ALs) was compared using a sediment chemical and toxicological database. The use of chemistry alone (without the use of further lines of evidence) did not perform well at reducing costs and protecting the environment. Although some approaches for interpreting AL1 results are very effective at filtering out the majority of acutely toxic sediments, without subsequent toxicological assessment, a large proportion of nontoxic sediments would be unnecessarily subjected to treatment and containment, and a number of sublethally toxic sediments would be missed...
April 7, 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/28383801/new-approach-to-weight-of-evidence-assessment-of-ecotoxicological-effects-in-regulatory-decision-making
#11
A Tilghman Hall, Scott E Belanger, Pat D Guiney, Malyka Galay-Burgos, Gerd Maack, William Stubblefield, Olwenn Martin
Ecological risk assessments and risk management decisions are only as sound as the underlying information and processes to integrate them. It is important to develop transparent and reproducible procedures a priori to integrate often-heterogeneous evidence. Current weight-of-evidence (WoE) approaches for effects or hazard assessment tend to conflate aspects of the assessment of the quality of the data with the strength of the body of evidence as a whole. We take forward recent developments in the critical appraisal of the reliability and relevance of individual ecotoxicological studies as part of the effect or hazard assessment of prospective risk assessments and propose a streamlined WoE approach...
April 6, 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/28383771/using-adaptive-principles-to-develop-a-meaningful-robust-and-actionable-environmental-monitoring-programs
#12
T J Arciszewski, K R Munkittrick, G J Scrimgeour, M G Dubé, F J Wrona, R R Hazewinkel
The primary goals of environmental monitoring are to indicate if unexpected changes related to economic development are occurring in the physical, chemical, and biological attributes of ecosystems and to inform meaningful management intervention. Although achieving these objectives is conceptually simple, there are varying scientific and social challenges often resulting in their breakdown. Conceptualizing, designing, and operating monitoring programs to better delineate and align adaptive monitoring, adaptive management, and environmental risk assessment aspects with hypothesis-driven approaches, strong inference, and Adverse Outcome Pathways can overcome many of the challenges affecting existing environmental programs...
April 6, 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/28613033/resurrection-ecology-and-its-utility-in-ecotoxicology
#13
Adam M Simpson, Punidan D Jeyasingh, Jason B Belden
No abstract text is available yet for this article.
July 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/28613032/learned-discourse-timely-scientific-opinions
#14
(no author information available yet)
No abstract text is available yet for this article.
July 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/28613031/response-to-burton-2017-who-ignores-commonsense-issues-and-focuses-on-chemicals-alone
#15
LETTER
Glenn Suter
No abstract text is available yet for this article.
July 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/28613030/using-genomics-for-environmental-monitoring-in-the-oil-and-gas-industry
#16
Delina Lyon, Koen Bröker, Ray Valente, Nicolas Tsesmetzis
No abstract text is available yet for this article.
July 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/28613029/chemical-standard-derivation-for-the-protection-of-aquatic-life-a-guided-world-tour
#17
Christian E Schlekat, Graham Merrington, Dean Leverett, Adam Peters
No abstract text is available yet for this article.
July 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/28613028/science-antiscience-and-environmental-decision-making-a-call-to-action
#18
EDITORIAL
Sabine E Apitz, Thomas Backhaus, Peter M Chapman, Wayne Landis, Glenn Suter
No abstract text is available yet for this article.
July 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/28613027/announcing-the-ieam-best-paper-award-2016
#19
(no author information available yet)
No abstract text is available yet for this article.
July 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/28613026/fostering-integrity-in-scientific-research-and-publishing
#20
EDITORIAL
G Allen Burton, Richard J Wenning
No abstract text is available yet for this article.
July 2017: Integrated Environmental Assessment and Management
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