Science & Technology
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The Future of Emissions Testing is Looking Up: How EPA is Using Drones to Test Air Quality
With the help of drones, EPA researchers can test emissions concentrations using aerial devices, increasing the accuracy of their models and the reach of their sensors.
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Keeping the Water Flowing: Helping Water Treatment Facilities Handle Harmful Algal Blooms
EPA is exploring what techniques and protocols offer the best solutions for treating source water that is contaminated with cyanobacteria and the toxins they contain and release.
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External Review Draft of Toxicodiffusion Model Development (2008)
SOP and technical guidance for choosing Appropriate Stage of a Multistage Model for Cancer Modeling
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Update to CompTox Chemicals Dashboard Continues Expansion of Functionality
Update to Chemical Dashboard
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EPA Continues to Update its Environmental Sampling & Analytical Methods (ESAM) Program
EPA helps the United States prepare for and respond to environmental disasters involving chemical, biological, radiological, and nuclear substances.
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2024 National Ambient Air Monitoring Conference
2024 National Ambient Air Monitoring Conference Information
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Choosing Appropriate Stage of a Multistage Model for Cancer Modeling (BMDS Technical Guidance)
SOP and technical guidance for choosing Appropriate Stage of a Multistage Model for Cancer Modeling
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External Review of Bayesian Models and Model Averaging Software (2018)
Peer review comments on Bayesian model averaging (2018)
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Results Of QA/QC Testing Of EPA Benchmark Dose Software Version 1.2 (2000)
Summary of SOT presentation on QA/QC results of BMDS v1.2 (2000)
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External Peer Review of EPA's MS_COMBO Multi-tumor Model and Test Report (2011)
Summary and links to external peer reviews of MS_Combo multi-tumor model
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External Review of the Concentration x Time (ten Berge) Model (2008)
Summary and links to external peer reviews of ten Berge CxT models
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External Review of the BMDS Exponential Continuous Models (2007)
Summary and links to external reviews of BMDS continuous exponential model
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External Review of BMDS Version 1.1b and EPA Responses (2000)
Summary and links to external peer review of BMDS 1.1 and EPA responses.
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Peer Review Workshop on the Draft Benchmark Dose Technical Guidance (2000)
Summary and links to external peer reviews of the draft Benchmark Dose Technical Guidance
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Volume 4 - Mobile Sources
Mobile source reference material for activity data collection from the Emissions Inventory Improvement Program (EIIP). Provides complete methods for collecting key inputs to onroad mobile and nonroad mobile emissions models.
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City of Waukee Aquifer Storage and Recovery Well, Waukee, Dallas County, Iowa – Fact Sheet, March 2023
Proposed Decision to Issue UIC Permit
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Fertilizer Emission Scenario Tool for crop management system scenarios
The Fertilizer Emission Scenario Tool for CMAQ is a high-end computer interface that simulates daily fertilizer application information for any gridded domain. It integrates the Weather Research and Forecasting model and CMAQ.
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What is SMaRT Search?
Introducing and defining SMaRT Search.
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Sulfur Dioxide (SOx) Standards - Risk and Exposure Assessments from Current Review
Scientific and technical risk and exposure assessments used to develop the current sulfur dioxide national ambient air quality standard.
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Land
The ROE is divided into 5 themes: Air, Water, Land, Human Exposure and Health and Ecological Condition. From these themes, the report indicators address fundamental questions that the ROE attempts to answer. For Land there are 5 questions.