Learn the Issues
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Spotlight on the Tribal Indoor Air Quality Summit Workgroup in Midwest Region 5
The Tribal IAQ Summit Workgroup uses a collaborative approach to increase the impact of tribes’ efforts to manage indoor air quality and improve community health for tribes in Illinois, Indiana, Michigan, Minnesota, Ohio and Wisconsin.
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Lead's Impact on Indoor Air Quality
Lead has long been recognized as a harmful environmental pollutant. There are many ways in which humans are exposed to lead: through air, drinking water, food, contaminated soil, deteriorating paint, and dust.
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Formaldehyde's Impact on Indoor Air Quality
Formaldehyde is an important chemical used widely by industry to manufacture building materials and numerous household products. It is also a by-product of combustion and certain other natural processes.
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Will an air cleaner or air purifier help protect me and my family from COVID-19 in my home?
When used properly, air purifiers can help reduce airborne contaminants including viruses in a home or confined space. However, by itself, a portable air cleaner 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, operating…
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Can running the HVAC system in my home help protect me from COVID-19?
By itself, running your HVAC system is not enough to protect yourself and your family from COVID-19. However, when used along with other best practices recommended by the Centers for Disease Control and Prevention, operating the HVAC system can be part of a plan to protect yourself and your family…
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What kind of filter should I use in my home HVAC system to help protect my family from COVID-19?
Minimum Efficiency Reporting Values, or MERV, reports a filter's ability to capture particles. Filters with MERV-13 or higher ratings can trap smaller particles, including viruses. Many home HVAC systems will have a MERV-8 filter installed as the default. Upgrading to a MERV-13 rated filter, or the highest-rated filter that your…
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Will an Ozone Generator protect me and my family from COVID-19?
No, do not use ozone generators in occupied spaces. When used at concentrations that do not exceed public health standards, ozone applied to indoor air does not effectively remove viruses, bacteria, mold, or other biological pollutants. Visit the Centers for Disease Control and Prevention's website for best practices to protect…
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Environmental Challenges for the Merrimack River
Learn more about bacterial and nutrient challenges to the Merrimack River.
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Building Assessment Survey and Evaluation Study
The BASE study used a standardized protocol to collect extensive indoor air quality data from 100 randomly selected public and commercial office buildings in 37 cities in 25 States.
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ورقة حقائق مقترح أوّلي: توعية المجتمعات بشأن المعقمات التجارية التي تستخدم أكسيد الإيثيلين
ورقة حقائق مقترح أوّلي: توعية المجتمعات بشأن المعقمات التجارية التي تستخدم أكسيد الإيثيلين
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Municipal Codes for Minimal Development Impacts: "Still Kind of a Mystery"
Undeveloped lands are more than open spaces begging for development; they are working landscapes that with proper measures can mitigate human impacts by providing the ecosystem services we depend upon: maintaining water quality, soaking up carbon...
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Underwater Grass Comeback Helps Chesapeake Bay
The fortified Susquehanna Flats, the largest bed of underwater grasses in the Chesapeake Bay, seems able to withstand a major weather punch. Its resilience is contributing to an overall increase in the Bay’s submerged aquatic vegetation.
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ECM for Captan & Degradate THPI in Soil - MRID 40823901
Environmental Chemistry Methods for Captan & Degradate THPI in Soil - MRID 40823901
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What is a Jurisdictional Delineation under CWA Section 404?
Information on how to do a wetlands delineation
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Wetlands Education for Students and Teachers
Information about Wetlands Education like activities, curriculum, teaching tools, videos and links
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Humboldt Open Ocean Disposal Site (HOODS)
Final Environmental Assessment (EA), final rule, updated Site Management and Monitoring Plan (SMMP) and documents related to Humboldt Open Ocean Disposal Site (HOODS).
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San Francisco Deepwater Ocean Disposal Site Monitoring Reports
EPA Pacific Southwest, Region 9, conducts oceanographic surveys to monitor the impacts of regulated dumping at the San Francisco Deepwater Ocean Disposal Site (SF-DODS) ODMDS
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Managing Stressors
This webpage covers information on stressors that drive coastal wetland loss and details strategies and tools for managing those stressors.
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Find a Regional Contact for Air Quality SIPs/FIPs/TIPs
EPA staff contacts for Air State Implementation Plans (SIP) in each of our ten regional offices.
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Urban Waters Learning Network 101
This document has general information about the Learning Network, a peer-to-peer network working to restore and revitalize local waterways.