Learn the Issues
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EPA's Draft Criteria for Radon Credentialing Organizations
This page will provide the public with information on a Federal Register Notice of Intent to Establish Voluntary Criteria for Radon Credentialing Organizations.Topics covered include background and information on how to review and provide comments.
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Radon-Resistant New Construction for Home Buyers
Learn about the facts of radon and radon-resistance new construction for your home
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Where I work we manufacture products from granite and other natural materials. Should I be concerned about radiation in my workplace?
I work in a granite fabricating and finishing shop. Is there a radon risk in my workplace? Based on existing studies, most types of granite used in countertops and other aspects of home construction are not typically known to be major contributors of radiation and radon in the average home…
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How to Protect Your Family from Radon When Buying a Newly Built Home
When buying a recently built home, EPA recommends you check for radon resistant features and follow certain techniques if you purchase a home in a high radon area.
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How often should I test/retest my home for radon?
Our general guidance from A Citizen's Guide to Radon - (December 2016, EPA 402/K12/002) - suggests: If your living patterns change and you begin occupying a lower level of your home (such as a basement) you should retest your home on that level. Even if your test result is below…
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Are we sure that radon is a health risk?
The EPA already has a wealth of scientific data on the relationship between radon exposure and the development of lung cancer. The scientific experts agree that the occupational miner data is a very solid base from which to estimate risk of lung cancer deaths annually. While residential radon epidemiology studies…
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How much can a radon mitigation system cost?
You have tested your home for radon, but now what? If you have tested your home for radon and confirmed that you have elevated radon levels, 4 picocuries per liter (150 becquerels per cubic meter (Bq/m 3))in air (pCi/L) or higher, our guidance can help you: Select a qualified radon…
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Radon Resources for Real Estate Community
For home buyers and sellers, check out the resources listed on this page and learn how to fix your home and learn about radon-resistant construction.
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What is Radon?
Radon is a radioactive gas that forms naturally when uranium, thorium, or radium, which are radioactive metals break down in rocks, soil and groundwater. People can be exposed to radon primarily from breathing radon in air that comes through cracks and gaps in buildings and homes. Because radon comes naturally…
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Standards of Practice
For builders and contractors, check out the resources listed on this page and learn about radon-resistant construction.
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Explain Working Levels (WL) and Picocuries Per Liter of Air (pCi/L).
Radon test results may be reported in three different measures – picocuries per liter (pCi/L), Working Levels (WL) and becquerels per meter cubed (Bq/m 3). If your test result is in pCi/L, the EPA recommends you fix your home if the radon level is 4 pCi/L (150 Bq/m 3)or higher…
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Noise Pollution Materials for Kids and Teachers
Find information for parents, students and teachers to learn about noise pollution and control, as well as tips you can use to help prevent hearing impairment
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Stories of Progress in Achieving Healthy Waters in West Virginia
Stories of progress from EPA's Mid-Atlantic region about EPA programs helping to achieve healthy waters in the state of West Virginia.
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Mold and Indoor Air Quality in Schools
Moisture problems in school buildings can be caused by a variety of conditions, including roof and plumbing leaks, condensation and excess humidity.
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Indoor AirPlus Media
Indoor airPLUS media will help you discover how IAP homes are designed to improve indoor air quality for a safer and healthier home.
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Indoor Air Quality Design Tools for Schools
The information available here is presented as a tool to help school districts and facility planners design the next generation of learning environments so that the school facility will help, rather than hinder, schools in achieving their core mission
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Water Operator Hiring And Contracting Guide
This document was designed to be customized by state drinking water programs and primacy agencies prior to distribution to water systems.
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What is EPA doing about Indoor Air Quality (IAQ) in Schools?
EPA's IAQ Tools for Schools Program is devoted to providing outreach products and services to schools to help them create and maintain healthy indoor environments and implementation is a top priority and teaches school staff to: Prevent and resolve IAQ problems; Identify practical and low-cost/no-cost solutions to fixing IAQ problems…
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Ventilation and Filtration Strategies for Reducing the Spread of Common Respiratory Viruses Indoors Infographic
This infographic depicts strategies to improve ventilation and prevent the spread of common respiratory viruses indoors.
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Region 2 Indoor Air Quality
Find information about local resources relating to Indoor Air Quality and EPA Region 2