Learn the Issues
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Can air cleaning devices that use bipolar ionization, including portable air cleaners and in-duct air cleaners used in HVAC systems, protect me from COVID-19?
Bipolar ionization (also called needlepoint bipolar ionization) is a technology that can be used in HVAC systems or portable air cleaners to generate positively and negatively charged particles. Provided manufacturers have data to demonstrate efficacy, manufacturers of these types of devices may market this technology to help remove viruses, including…
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Where can professionals who manage school, office, and commercial buildings get information on ventilation and filtration to respond to COVID-19?
Professionals who operate school, office, and commercial buildings should consult the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) guidance for information on ventilation and filtration to help reduce risks from the virus that causes COVID-19. In general, increasing ventilation and filtration is usually appropriate; however, due to the…
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How can I increase ventilation at home to help protect my family from COVID-19?
Ensuring proper ventilation with outside air is a standard best practice for improving indoor air quality. However, by itself, increasing ventilation is not enough to protect people from COVID-19. When used along with other best practices recommended by the Centers for Disease Control and Prevention, increasing ventilation can be part…
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Is ventilation important for indoor air quality when cleaning and/or sanitizing for COVID-19 indoors?
When cleaning and disinfecting for COVID-19, ventilation is important. Using EPA-registered cleaning and disinfecting products according to their label instructions is the best way to ensure that any indoor air pollution risks are reduced while still maintaining the effectiveness of the disinfecting product. In particular, follow any label precautions that…
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Will running an evaporative cooler (sometimes known as a "swamp cooler") or whole-house fan help protect me and my family from COVID-19?
Both evaporative coolers (or "swamp coolers") and whole-house fans can help protect people indoors from airborne transmission of COVID-19 because they increase ventilation with outside air to cool indoor spaces. Evaporative coolers are used in dry climates. They use water to provide cooling and increase relative humidity indoors. When operating…
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Will running a window air conditioner help protect me and my family from COVID-19?
Window air conditioners (AC) are used to cool specific indoor spaces and some may help in reducing airborne viruses if they have an outdoor air intake and/or a MERV-13 or better filter. Note that AC units that have outdoor air intakes are not common. If your window air conditioner has…
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Region 7 (Midwest) Indoor Air Quality
Find information about local resources relating to Indoor Air Quality and EPA Region 7.
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Publications Related to the Building Assessment Survey and Evaluation Study
Publications and resources including Study Overview, Environmental Measures, Building Characteristics, Questionnaire, Associations related to the Building Assessment Survey and Evaluation Study
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Dusty The Asthma Goldfish and His Asthma Triggers Funbook
This educational activity book helps children learn more about asthma triggers. EPA 402-F-04-008
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EPA Begins Sixth Review of Cross Brothers Pail Recycling Superfund Site
EPA is conducting a five-year review. This is the sixth five-year review of Cross Brothers Pail Recycling Superfund Site.
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Asthma Triggers Infographics
Asthma triggers are things that can cause asthma symptoms. This asthma triggers infographic provides a brief overview of different kinds of asthma triggers.
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EPA Evaluation of 2020-2021 Milestone Progress and 2022-2023 Milestone Commitments
EPA assesses milestone progress and future commitments
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What You Can Do About Trash Pollution
Anyone, from a student to a CEO, can prevent waste from ending up in our oceans. Find out more about What You Can Do to protect water at home and in your community.
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Report Noncompliance or Violation of the Construction General Permit
Construction General Permit Inspector Training
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New Federal Requirements and Reminders
New Federal Requirements and Reminders.
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Construction General Permit Resources, Tools, and Templates
Resources and tools to use under the construction general permit.
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Submitting a Notice of Intent (NOI), Notice of Termination (NOT), or Low Erosivity Waiver (LEW) under the Construction General Permit
How to submit a notice of intent, notice of termination, or low erosivity waiver under the construction general permit.
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Getting Coverage under EPA's Construction General Permit / Waivers
How to get coverage under a construction general permit.
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Turbidity Benchmark Monitoring (Dewatering) under the Construction General Permit
Turbidity Benchmark Monitoring (Dewatering) under the CGP
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Construction General Permit Threatened and Endangered Species
How to determine your eligibility with regard to protection of threatened and endangered species and designated critical habitat.