Science & Technology
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Guide to Air Cleaners in the Home
The short consumer guide covers portable air cleaners and furnace or HVAC filters used in a home. It includes tips for selecting a portable air cleaner, furnace filter, or HVAC filter.
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Indoor Air Quality Science
Understand indoor air in homes, schools, and offices. Most of us spend much of our time indoors. The air that we breathe in our homes, in schools, and in offices can put us at risk for health problems. Some pollutants can be chemicals, gases, and living or
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UIC Permit: VAS2D932BDIC
Enervest underground injection control permit
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UIC Permit: PAS2R985AVEN
Tarr & Tarr OIl Production underground injection control enhance oil recovery permit page
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UIC Permit: PAS2R903BMCK
benson energy underground injection control permit
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UIC Permit: PAS2R900BMCK
MarcellX underground injection control permit
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CMAQ Community Survey Results
In 2016, CMAQ users worldwide participated in a survey circulated by the University of North Carolina's Community Modeling and Analysis System (CMAS) center. The aggregated results allow us to better understand the attributes of the CMAQ user community.
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CMAQ Dynamic Evaluation and Trend Analysis
Dynamic evaluation is the method of comparing the model simulated change in air pollution levels due to changes in emissions or meteorology to observed changes.
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UIC Permit: PAS2D041BBEA
Columbia Gas underground injection control permit
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Exploring the General Equilibrium Costs of Sector-Specific Environmental Regulations
This is a working paper titled "Exploring the General Equilibrium Costs of Sector-Specific Environmental Regulations"
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Construction and Application of the Micro-level Engineering, Environmental, and Economic Detail of Electricity (MEEDE) Dataset, Version 2
This is a working paper titled "Construction and Application of the Micro-level Engineering,
Environmental, and Economic Detail of Electricity (MEEDE) Dataset, Version 2" -
2016 Recreational Waters Conference Sessions
2016 Recreational Waters Conference Sessions
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Greener Cleanups
OLEM’s goal is to reduce the environmental footprint of cleanup activities at contaminated sites to the maximum extent possible. This website shares policies, tools and practices to achieve that goal across cleanup programs.
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Air Quality and Climate - CMAQ
Climate
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Guide to Selected Algorithms, Distributions, and Databases Used in Exposure Models Developed By the Office of Air Quality Planning and Standards
In the evaluation of emissions standards, OAQPS frequently uses one or more computer-based models to estimate the number of people who will be exposed to the air pollution levels that are expected to occur under various air quality scenarios.
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Ozone Health Risk Assessment for Selected Urban Areas
The health risk assessment described in this report estimated various health effects associated with O3 exposures as well as the reduced risks for one O3 season associated with just meeting the current O3 NAAQS.
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Hazardous Air Pollutant Exposure Model (HAPEM) Versions
The HAPEM model has been designed to estimate inhalation exposure for selected population groups to various air toxics.
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Human Exposure Assessment and Modeling - Criteria Air Pollutant Exposure Assessment
Summaries of exposure assessments performed for criteria air pollutants in the context of NAAQS reviews.
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Risk Assessment and Modeling - Overview
Risk characterization as a description of the nature and magnitude of human or ecological risk and the attendant uncertainties.
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Human Exposure Modeling - Overview
Human exposure modeling relates pollutant concentrations in the larger environmental media to pollutant concentrations in the immediate exposure media.