Science & Technology
-
Emissions from Coal Mining in Colombia
Information on Columbia international efforts.
-
Washington County Lead District - Furnace Creek Superfund Site, Washington County, Missouri - Fact Sheet, June 2016
EPA Conducting Remedial Investigation and Feasibility Study, Operable Units 1, 2, 3 and 4
-
Importance of Methane
Introduces key features of methane that make it a potent greenhouse gas.
-
Risk Assessment and Modeling - SO2 Risk Analyses
Risk characterization as a description of the nature and magnitude of human or ecological risk and the attendant uncertainties.
-
Risk Assessment and Modeling - Ozone Risk Analyses
Risk characterization as a description of the nature and magnitude of human or ecological risk and the attendant uncertainties.
-
Overview of Chronic Oral Toxicity Values for Chemicals Present in Hydraulic Fracturing Fluids, Flowback and Produced Waters
as part of EPA's Hydraulic Fracturing Drinking Water Assessment, EPA is summarizing existing toxicity data for chemicals reported to be used in hydraulic fracturing fluids and/or found in flowback or produced waters from hydraulically fractured wells
-
Estimating the Potential Toxicity of Chemicals Associated with Hydraulic Fracturing Operations Using Quantitative Structure-Activity Relationship Modeling
Researchers facilitated evaluation of chemicals that lack chronic oral toxicity values using a QSAR model to develop estimates of potential toxicity for chemicals used in HF fluids or found in flowback or produced water
-
Case Studies for EPA’s Hydraulic Fracturing Study
Case Studies for EPA’s Hydraulic Fracturing Study
-
Modeling of fault reactivation and induced seismicity during hydraulic fracturing of shale-gas reservoirs
Written by Rutqvist et al. Published in Journal of Petroleum Science and Engineering. July 2013.
-
Gas Flow Tightly Coupled to Elastoplastic Geomechanics for Tight- and Shale-Gas Reservoirs: Material Failure and Enhanced Permeability
Jihoon Kim and George Moridis, Gas Flow Tightly Coupled to Elastoplastic Geomechanics for Tight and Shale Gas Reservoirs: Material Failure and Enhanced Permeability
-
Development of the T+M coupled flow-geomechanical simulator to describe fracture propagation and coupled flow-thermal-geomechanical processes in tight/shale gas systems
Written by Jihoon Kim; George J. Moridis. Published in Computers and Geosciences,Accepted manuscript,doi:10.1016/j.cageo.2013.04.023
-
Numerical analysis of fracture propagation during hydraulic fracturing operations in shale gas systems
Researchers used the TOUGH+ geomechanics computational software and simulation system to examine the likelihood of hydraulic fracture propagation (the spread of fractures) traveling long distances to connect with drinking water aquifers.
-
Memoranda about Implementation of the Cancer Guidelines and Accompanying Supplemental Guidance - Science Policy Council Cancer Guidelines Implementation Workgroup Communication I and II
Memoranda from the Chair of EPA's Science Policy Council to the Science Policy Council and the Science Policy Council Steering Committee regarding Implementation of the Cancer Guidelines and Accompanying Supplemental Guidance.
-
Workshop to Review Advances Made to the IRIS Process (Feb 2018)
NAS held a public workshop to review the progress made on the recommendations from the National Academies' National Research Council's May 2014 report on further improving the scientific quality of IRIS assessments.
-
Findings from EPA’s PFAS Innovative Treatment Team on PFAS Destruction Technologies Webinar Archive
Archive page for EPA Tools and Resources Webinar: Findings from EPA’s PFAS Innovative Treatment Team (PITT) on PFAS Destruction Technologies, held on February 17, 2021.
-
Decision Analysis for a Sustainable Environment, Economy & Society
DASEES is a web-based interactive tool for structured decision-making. It provides an environment where communities can build common understanding of complex problems then create and evaluate management alternatives.
-
EPA white papers and memos for 2015 SAB Economy-Wide Modeling panel
These papers were developed to inform the deliberations of the SAB Panel on the technical merits and
challenges of economy-wide modeling for an air regulation. They are not official U.S. Environmental
Protection Agency (EPA) reports -
Prioritization of Data Sources for Chronic Exposure
Prioritization of Data Sources for Chronic Exposure
-
Working Paper: Explaining Variation in the Value of Chesapeake Bay Water Quality Using Internal Meta-analysis
This is a working paper titled "Explaining Variation in the Value of Chesapeake Bay Water Quality Using Internal Meta-analysis"
-
Working Paper: The Property Value Impacts of Groundwater Contamination: Agricultural Runoff and Private Wells
This is a working paper titled "The Property Value Impacts of Groundwater Contamination: Agricultural Runoff and Private Wells"