1. Indoor Air Quality (IAQ) - Radon radon is a radioactive gas. It comes from the natural decay of uranium that is foundin nearly all soils. Your home traps radon inside, where it can build up. http://www.epa.gov/iaq/radon/

Indoor Air - Radon Recent Additions Contact Us Print Version Search: EPA Home Air Indoor Air A to Z Index ... Radon Links Radon (Rn) In the News! EPA Releases New Video on Radon in Real Estate Breathing Easy: What Home Buyers and Sellers Should Know About Radon EPA has added a new visual tool to its radon toolbox. The video satisfies a long-standing need for a short visual educational tool on how to best include radon in residential real estate transactions. With a bit of light humor, the video covers the basics, including radon science, the lung cancer risk, home inspection, building a new home radon-resistant, testing and fixing a home, disclosure, state radon offices, hotline and web resources, and key radon numbers, e.g., EPA's action level and the U.S. indoor and outdoor averages. The primary audiences are home buyers and sellers, and real estate sales agents and brokers. Home inspectors, mortgage lenders, other real estate practitioners, and radon services providers will also find the video helpful. Single copies of the video are free from IAQ-Info (1-800-438-4318) in VHS format [ask for (EPA 402-V-02-003) (TRT 13.10)]; copies in CD-ROM and DVD formats will also be available soon. National Radon Action Month 2003 Poster Contest Winner!

2. Radon EHC is committed to increasing public awareness and knowledge about the health hazards of radon. radon is a radioactive gas. It is formed by the natural radioactive decay of uranium in rock, soil, and water. http://www.nsc.org/ehc/radon.htm

NSC Home News Membership Online Resources ... Environment Radon is a radioactive gas. It is formed by the natural radioactive decay of uranium in rock, soil, and water. Naturally existing, low levels of uranium occur widely in Earth's crust. Radon is colorless, odorless, tasteless, and chemically inert. Once produced, radon moves through the ground to the air above. It can be found in all 50 states. Unless you test for it, there is no way of telling how much is present. The Surgeon General has warned that radon is the second leading cause of lung cancer in the United States. Fact Sheets Radon in Drinking Water Frequently Asked Questions About Radon Biological Effects of Ionizing Radiation (BEIR) VI Report: "The Health Effects ... National Radon Action Week/Month Activity Reports Test Kit Coupon Activity Report (updated quarterly State Activity Report (updated quarterly Educational Materials Test Kit Coupon Documents Available State Radon Contacts State Radon Web Sites ... Public Service Announcement For more information, contact an information specialist at (800) 557-2366 or send us an e-mail message.

3. USGS Radon Information This page has been accessed 146536 times since October 1, 1997. The Energy Resource Surveys Program of the U.S. Geological Survey is no longer engaged in active radon research projects. from previously published USGS reports on radon, and links to radon information from other USGS divisions, are available http://energy.cr.usgs.gov/radon/radonhome.html

This page has been accessed times since October 1, 1997. The Energy Resource Surveys Program of the U.S. Geological Survey is no longer engaged in active radon research projects. Information from previously published USGS reports on radon, and links to radon information from other USGS divisions, are available here. Radon in fault and shear zones, eastern United States Radon in glacial deposits of the Upper Midwest County radon potential assessments in the Washington, D.C., area Terrestrial gamma radioactivity of the conterminous United States ... USGS Geologic Information Other Sources of Radon Information Note: the following web sites are not operated by USGS. The High Radon Project-Lawrence Berkeley National Laboratory Radon information from the U.S. EPA (including the National Radon Proficiency Listing) National Safety Council Radon Information Page "Radon Occurrence and Health Risk" by R. William Field, Ph.D., Department of Epidemiology, University of Iowa Hospitals and Clinics The URL of this page is http://energy.cr.usgs.gov/radon/radonhome.html For server information contact Central Energy Data Management Sorry, the server manitainer cannot answer radon-related inquiries

4. Radon Labs Homepage http://www.radonlabs.de/

5. Article Understanding Radon Article by G Thomas Martin examines the seriousness of radon exposure and describes testing radon levels in the home. We realize most people find it difficult to understand radon; a colorless, odorless, inert radioactive gas. http://www.discoverit.com/at/phi/article.html

UNDERSTANDING RADON by G. Thomas Martin We realize most people find it difficult to understand radon; a colorless, odorless, inert radioactive gas. You cannot see it, smell it, or feel it; yet we cannot completely avoid breathing radon. There is about 0.35 pCi/L of radon in the outside air we breathe. Understanding the risks associated with radiation exposure is even more perplexing. I hope reading this article, will enable you to make an informed decision about the radon levels measured in your house. TABLE OF CONTENTS Section 1...Where Does Radon Come From? 2...How Does Radon Get Into The House? 3...What About Radon in Well Water? 4...What About Radon in City Water? ... 15...How Can I Learn More About Radon? 1. WHERE DOES RADON COME FROM? Radon comes from the natural radioactive decay of radium and uranium found in the soil beneath the house. The amount of radon in the soil depends on complex soil chemistry, that varies from one house to the next. Radon levels in the soil range from a few hundred to several thousands of pCi/L. The amount of radon that escapes from the soil to enter the house depends on the weather, soil porosity, soil moisture, and the suction within the house. 2. HOW DOES RADON GET INTO THE HOUSE?

6. Radon Project Of Lawrence Berkeley National Laboratory And Columbia University D WHAT IS radon? radon is a radioactive gas that is found in the earth's rock and soil. http://www.stat.columbia.edu/radon

Welcome to the Radon Project at Columbia University. This website was created by Prof. Andrew Gelman at Columbia University and Dr. Phillip N. Price at the Lawrence Berkeley National Laboratory to assist U.S. homeowners in deciding whether they have serious radon problems and, if so, what to do. Scroll down to see the U.S. radon map. Radon is a radioactive gas that can enter your house from the ground. When breathed, it can cause lung cancer. If you own a house, you might want to measure your house for radon and possibly reduce the level of radon in your house through remediation More on radon and why we care about it Based on the information you provide, this website will estimate: the radon level in your house; the expected risk from lung cancer from the radon in your house; a recommendation as to whether you should remediate your house immediately, take a year-long radon measurement (and then use that information to decide whether to remediate take a short-term radon measurement (and then use that information to decide whether to remediate ), or

7. Radontest - Test Din Bolig For Radon Hurtigt Og Nemt Forbrugerrådets blad Tænk skriver "radon er en af de mest upåagtede sundhedstrusler i Danmark. http://www.radontest.dk/

Forbrugerrådets blad Tænk skriver: "Radon er en af de mest upåagtede sundhedstrusler i Danmark. Skønt vi kan trøste os med, at radonniveauet i vores huse generelt er lavere end i andre lande, regner de danske myndigheder ikke desto mindre med, at 300 danskere hvert år får lungekræft på grund af radon." Hver tyvende danske bolig indeholder for meget radon Undersøgelser lavet af Sundhedsstyrelsen viser at hver tyvende danske bolig indeholder for meget radon. Hvert år dør ca. 300 danskere af lungekræft som følge af radon i hjemmet. Radon er en naturligt forekommende radioaktiv luftart, der dannes af det radioaktive stof radium, der findes overalt i jorden. Radon findes primært i enfamilieshuse, og der er forskellige faktorer, der er afgørende for, hvor stor radonkoncentrationen er i vore boliger. Når vi indånder radonholdig luft optages radon i vores luftveje. Når stoffet nedbrydes udsender stoffet stråling, som skader cellerne i luftveje og lunger. Derfor er radon farligt for menneskers helbred. Læs mere her Hvad med dér hvor jeg bor?

8. Radon Publications - Complete publications list, descriptions and links. Informative EPA Guides for citizens, consumers, Category Science Environment Air Quality radon......radonSpecific Publications. For information on how to order any ofthese documents - click here. National radon Results - 1985-1999. http://www.epa.gov/iaq/radon/pubs/

Indoor Air - Radon Contact Us Print Version Search: EPA Home Air Indoor Air Radon ... Radon Links Radon-Specific Publications and Resources Additional Indoor Air Quality resources on Asthma, Secondhand Smoke, Schools, Large Buildings and Homes can be found at our Indoor Air Publications site For information on how to order publications from EPA - click here EPA Releases New Video on Radon in Real Estate Breathing Easy: What Home Buyers and Sellers Should Know About Radon EPA has added a new visual tool to its radon toolbox. The video satisfies a long-standing need for a short visual educational tool on how to best include radon in residential real estate transactions. With a bit of light humor, the video covers the basics, including radon science, the lung cancer risk, home inspection, building a new home radon-resistant, testing and fixing a home, disclosure, state radon offices, hotline and web resources, and key radon numbers, e.g., EPA's action level and the U.S. indoor and outdoor averages. The primary audiences are home buyers and sellers, and real estate sales agents and brokers. Home inspectors, mortgage lenders, other real estate practitioners, and radon services providers will also find the video helpful. Single copies of the video are free from IAQ-Info (1-800-438-4318) in VHS format [ask for (EPA 402-V-02-003) (TRT 13.10)]; copies in CD-ROM and DVD formats will also be available soon.

9. RADON.COM -=- The Radon Information Center --- Complete Info On Radon Gas, Radon You found radon. What next? Are you testing large buildings or schools? http://www.airchek.com/

Click again To Return) Discounts Info Request Corp. Info Air Chek, Inc. R A D O N C O M Providing Answers Since 1985 PRESENTED AS A PUBLIC SERVICE BY 800-AIR-CHEK......(828) 684-0893......FAX(828) 684-8498 1936 Butler Bridge Rd......Fletcher, NC......28732-9365 On-line Test Results Air Chek Pro Website You found radon. What next? Are you testing large buildings or schools? ... Air Chek, Inc.

10. RADON.COM -=- The Radon Information Center --- Complete Info On Radon Gas, Radon radon test kits widely used by homeowners for testing air, water and open land. radon Information Category Science Environment radon Mitigation and Testing......The radon Information Center is maintained by the world's largest producerof radon test kits and radon testing devices, Air Chek, Inc. http://www.radon.com/

Click again To Return) Discounts Info Request Corp. Info Air Chek, Inc. R A D O N C O M Providing Answers Since 1985 PRESENTED AS A PUBLIC SERVICE BY 800-AIR-CHEK......(828) 684-0893......FAX(828) 684-8498 1936 Butler Bridge Rd......Fletcher, NC......28732-9365 On-line Test Results Air Chek Pro Website You found radon. What next? Are you testing large buildings or schools? ... Air Chek, Inc.

11. RADON.COM -=- Radon Links Page There are many websites pertaining to radon. Here is a selection ofrecommended sites providing additional radon information. There http://www.radon.com/radon/radon_links.html

There are many websites pertaining to radon. Here is a selection of recommended sites providing additional Radon information. Learn about our Radon Test Kit Sample an EPA slideshow presentation for Radon Professionals Check out tested radon levels in the U.S., state-by-state Find out which questions we're most often asked (FAQ) ... Order our LOW COST radon test kit - online or enter our weekly drawing for a FREE radon test kit and much much more! Air Chek, Inc.

12. RADON QUESTIONS AND ANSWERS Frequently Asked Questions About radon. This document covers the following topicsand questions. Testing Air for radon. Why should I test my home for radon? http://www.nsc.org/ehc/radon/rad_faqs.htm

Environmental Health Center Frequently Asked Questions About Radon This document covers the following topics and questions. To view a particular portion of the document, click on the topic you would like to see. General Questions What is radon? What health effects are associated with radon exposure? What is the "acceptable" level of radon in air? ... How is radon removed from water? General Questions What is radon? Radon is a radioactive gas. It is colorless, odorless, tasteless, and chemically inert. Unless you test for it, there is no way of telling how much is present. Radon is formed by the natural radioactive decay of uranium in rock, soil, and water. Naturally existing, low levels of uranium occur widely in Earth's crust. It can be found in all 50 states. Once produced, radon moves through the ground to the air above. Some remains below the surface and dissolves in water that collects and flows under the ground's surface. Radon has a half-life of about four days - half of a given quantity of it breaks down every four days. When radon undergoes radioactive decay, it emits ionizing radiation in the form of alpha particles. It also produces short-lived decay products, often called progeny or daughters, some of which are also radioactive. Unlike radon, the progeny are not gases and can easily attach to dust and other particles. Those particles can be transported by air and can also be breathed.

13. National Radon Safety Board Providing independent certification, approval and accreditation for radon testers, mitigators, measureme Category Science Environment radon Mitigation and Testing......Providing independent certification, approval and accreditation for radon testers,mitigators, measurement devices, calibration chambers and radon laboratories http://www.nrsb.org/

Welcome to the National Radon Safety Board Official Web Site Home FAQ Overview Application ... Contact What is the NRSB? The NRSB seeks to encourage the highest standards of practice and integrity in radon services through the development of independent standards and procedures for certifying, approving and accrediting radon testers, mitigators, measurement devices, chambers and laboratories. It is an independent, nonprofit organization modeled on the American Board of Health Physics and is governed by a Certification Panel representing different facets of the radon industry, home inspectors, state governments, and consumer interests. NRSB Web Site Index: NRSB 2002 Winter Newsletter NRSB Overview NRSB Structure Membership Application Free Web Page! Listings: Radon Measurement Professionals Radon ... Laboratories Devices: Listings Methods Radon Chambers: Listing Radon Gas Intercomparison Schedule Radon Working Level Intercomparison Schedule About Chamber Accreditation ... Tertiary Chamber Application Approved Radon Training Courses: Education Requirements Exam Guidance - Radon Measurement Specialist Exam Guidance - Radon Measurement Technician Course Curriculum - Radon Measurement Technician ... Application for Instructor Approval State and Federal Program Information: State Certification Programs Accepting NRSB Exam STATE: Radon offices.

14. High-radon Web Page EO Lawrence Berkeley National Laboratory. Highradon Project HomePage. Phillip What is radon, and why do we care about it? radon http://eetd.lbl.gov/IEP/high-radon/hr.html

E.O. Lawrence Berkeley National Laboratory High-Radon Project Home Page Phillip N. Price, Anthony Nero, Kenneth Revzan, Michael Apte, Andrew Gelman, W. John Boscardin, and others. HOME FAQ MAPS RESEARCH What is radon, and why do we care about it? Radon is a naturally occurring radioactive gas that is produced by the radioactive decay of radium. Breathing high concentrations of radon can cause lung cancer Is it dangerous, and what can be done about it? For these answers, and more, visit the "Frequently Asked Questions (FAQ)" page. Should I test my house for radon? The Environmental Protection Agency says yes, everyone should test. But we, along with colleagues at Columbia University, have developed a web site that will help you decide whether to test , based on information about your home and your personal risk preferences. We suggest that you visit that site to get specific advice for your home. What did the LBNL high-radon project do? Predictions and maps Predicted distributions of long-term, living-area radon concentrations for nearly all counties in the U.S. Geology Quantified the extent to which different types of geologic information can be used to predict indoor radon concentrations.

15. National Radon Proficiency Program Nationwide list of certified radon measurement or mitigation professionals. Administers the national Category Science Environment radon Mitigation and Testing......radon, gas, radon gas, radon mitigation, radon measurement, radon laboratories,NEHA, NRPP, radon proficiency, radioactivity, radiation, indoor air quality http://www.radongas.org/

National Environmental Health Association National Radon Proficiency Program A nationally recognized certification program for radon professionals throughout the country Lists of Certified Individuals (updated 3/17/03) Measurement Mitigation Laboratories Checklist for Consumers ... Speakers Bureau (Individuals who give radon presentations) Information for Radon Professionals Measurement Certification Mitigation Certification Laboratories Devices ... New Applications Chambers Certified Performance Test Chambers Chamber Protocols Chamber Application Chamber Application Instructions Radon Training Entry Level Course Providers Continuing Education Courses updated 2/24/03 Exam Results updated 03/20/03 Other Radon Links EPA AARST CRCPD ... Frequently Asked Questions for Radon Professionals About NEHA NRPP Errors and Omissions Insurance for NEHA-NRPP Certified Individuals Upcoming Intercomparison for Chambers Provide Survey Information to NEHA-NRPP Contact NEHA NRPP Administrative Office P.O. Box 2109 Fletcher, NC 28732 Phone: (800)269-4174 or (828)890-4117 Fax: E-Mail: angel@radon.com

16. Western Regional Radon Training Center Western Regional radon Training Center. The Western Regional radon TrainingCenter (WRRTC) is a leader in radon training in the United States. http://www.radongas.org/wrrtc/

Western Regional Radon Training Center The Western Regional Radon Training Center (WRRTC) is a leader in radon training in the United States. We pride ourselves on being a quality training facility. Our students not only walk out from one our classes knowing that he or she has received a quality class, but the students know that they know all the protocols, standards, and requirements that are expected from them as radon professionals. We have a very high pass rate on our exams for both radon measurement and radon mitigation. We ask that each individual that wants to meet the challenge of radon measurement or mitigation to take one of our certification classes. These classes are not easy nor are they expected to be easy rather they are both challenging and rewarding. Our certification classes meet the National Environmental Health Association's National Radon Proficiency Program criteria and standards. We also specialize in other radon courses directed to other professionals and to the general public. We can generate a course specifically directed towards a specific audience for any program or course. If you have any questions, please feel free to contact us.

17. Radon Splash radon enter. internationale multimedia featuring Koonda Holaa and the Beetchees,(r), Sikhara, Daniele Brusaschetto, 36, Steve Mackay, Ripit. http://www.radonstudio.com/

R A D O N enter internationale multimedia featuring Koonda Holaa and the Beetchees, (r), Sikhara, Daniele Brusaschetto, 36, Steve Mackay, Ripit

18. Residential Radon And Lung Cancer Case-Control Study The latest and most substantial study ever on the link between radon and lung cancer (May, 2000) proves Category Science Environment Air Quality radon......Residential radon and Lung Cancer CaseControl Study. Abbreviated findings. UIstudy finds residential radon exposure poses a significant lung cancer risk. http://www.cheec.uiowa.edu/misc/radon.html

Center for Health Effects of Environmental Contamination Residential Radon and Lung Cancer Case-Control Study Abbreviated findings Study methodology Questions and Answers about the Study Comments Concerning the Iowa Radon Lung Cancer Study and Future Directions ... Study Contact and Additional Radon Information May 25, 2000 THE UNIVERSITY OF IOWA Iowa City, Iowa 52242 UI study finds residential radon exposure poses a significant lung cancer risk IOWA CITY, Iowa Long-term exposure to radon in the home is associated with lung cancer risk and presents a significant environmental health hazard, according to a study led by researchers at the University of Iowa College of Public Health. The Iowa Radon Lung Cancer Study, funded by the National Institute of Environmental Health Sciences, included investigators from the UI, St. John's University in Collegeville, Minn. and the University of Kansas. The results are published in the June 1 issue of the American Journal of Epidemiology. From 1993 to 1997, the researchers studied 1,027 Iowa women 413 who were newly diagnosed with lung cancer and 614 "controls" ages 40 to 84 who had lived in their homes for the past 20 years or more. The women studied in both groups included smokers as well as nonsmokers. Women were studied because they typically have less occupational exposures to substances that may cause lung cancer, and historically have spent more time in the home. The researchers found that close to 60 percent of the basement radon concentrations for both the lung cancer cases (study participants with lung cancer) and the control group (participants without lung cancer) exceeded the U.S. Environmental Protection Agency action level for radon of 4 picoCuries per liter (pCi/L). The researchers found that 33 percent of living areas for the lung cancer cases, and 28 percent of the living areas for the control group, exceeded the EPA's action level of 4 pCi/L.

19. IL RADON - Un Sito Di Approfondimento Sul Problema E Sulle Tecniche Di Misura E Translate this page radon, inquinamento da gas radon, misure di gas radon, dosimetri, il radonnelle abitazioni, inquinamento indoor, gas radon, rilevatori di gas radon http://www.radon.it/

entra nel sito GEOEX sas - Via colli del Vivaro snc - 00040 Rocca di Papa RM Tel 06.94436470 - Fax 06.23313306 - e-mail: info@radon.it Sito ottimizzato per IE4 800x600 EdilRing - Iscrizione Gratuita

20. The Geology Of Radon TABLE OF CONTENTS. Preface. What is radon? US Government Printing Office 1993 0356-733 ISBN 0-16-037974-1. radon Home Next Page http://energy.cr.usgs.gov/radon/georadon.html

by James K. Otton, Linda C.S. Gundersen, and R. Randall Schumann TABLE OF CONTENTS Preface What is Radon? The Geology of Radon Uranium: The source Radon Formation Radon movement Radon entry into buildings Radon in Water Radon Potential Sources of information on radon potential Geologic maps Radioactivity maps Soil-air radon data Soil surveys Indoor radon data Radon potential maps Evaluating radon potential Sources of Radon Information Suggested Reading This publication is one of a series of general interest publications prepared by the U.S. Geological Survey to provide information about the earth sciences, natural resources, and the environment. To obtain a catalog of additional titles in the series "General Interest Publications of the U.S. Geological Survey," write : Book and Open-File Report Sales U.S. Government Printing Office : 1993 0-356-733 ISBN 0-16-037974-1 URL: http://energy.cr.usgs.gov/radon/georadon.html Server information: webman@energy.cr.usgs.gov Sorry, the server manitainer cannot answer radon-related inquiries 13 October 1995

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