41. RadonFixIt Educates consumers on the health effects of radon, radon testing, and mitigation. From the Consumer Category Science Environment radon Mitigation and Testing...... a project of the Consumer Federation of America Foundation and US Environmental ProtectionAgency to educate consumers about the dangers of radon exposure and http://www.radonfixit.org/

more more More Information About Radon Media Center more more More Information About Radon Media Center ... Indoor Air Quality Hotlines

42. Radon, Radon Gas, Radon Air, Radon Water, Radon Testing, Radon Information, Rado Offers EPAapproved test kits from REM for air or water. Information on radon gas and its heath risks, Category Science Environment radon Mitigation and Testing......National radon web site with information on radon in air, radonin water, radon testing, radon removal and radon mitigation. http://www.radonworld.com/

The internet's one-stop source for information about Radon. Explore the site, you will be quickly educated on Radon gas and its heath risks, how to test your home, and how radon can be removed from your home's air and water. EPA approved radon test kits are available for both radon in air and radon in water through our secure online radon store. This web site was created as a public service by Radon Solutions, Inc. National radon web site with information on radon in air, radon in water, radon testing, radon removal and radon mitigation. Learn about radon and its health risks, and find out how to test your home for radon. EPA approved radon test kits for radon in air and radon in water are available through our secure on-line radon store. Information is also available in our Radon Removal section on how to remove radon from your home and includes pictures of installed radon air systems and radon water systems. Additional links and resources include: www.radon-radon-radon.com www.radon101.com www.radoninformation.com www.radonresource.com ... www.homeinspections-usa.com This site serves the following states:

43. Radon Materials. Publications. radon. Legal. Industrial Radiographer Cert. RadioactiveWaste. radon. What is radon? radon inYOUR in County. Licensed Mitigation Pros. http://www.state.il.us/idns/htmls/radon/radon.htm

Certification X-Ray / Laser Materials Publications ... Radon Science Statutes Emergency Rules Search for Rules by Part Number General Administrative General Radiation Protection ... Low-Level Radioactive Waste Radon What is Radon? Radon in YOUR County List of Licensed Mitigation Professionals List of Licensed Measurement Professionals ... Radon Science For radon information by telephone, call 800-325-1245 (Information) and 217-785-9958 (Radon Program). Current News NEW! About the Director NEW! Directory of Radiologic Technologist Projects and Programs Emergency Preparedness Environmental Protection Public Health and Safety Agency Professional Papers Central Midwest Interstate LLRW Compact Commission Meeting Notices Other Notices Meeting Transcripts LLRW Task Group Meetings Meeting Notices Meeting Transcripts Notices Public Announcements Public Reports State of Illinois Privacy Statement ... Back to Top

44. INFILTEC Air Leakage Control - Radon Mitigation & Blower Doors - Radon Gas Testi Helping doit-yourselfers and builders solve radon problems. Sell radon fans, piping, and test kits .Category Science Environment radon Mitigation and Testing......Assisting contractors and homeowners in solving radon mitigation and buildingair leakage measurement and control problems since 1980. http://www.infiltec.com/

Welcome to Infiltec. Assisting contractors and homeowners in solving radon mitigation and building air leakage measurement and control problems since 1980. Call toll free (888) 349-7236 for help. Home Search New About Radon ... Fun If you can't find a solution to your radon mitigation or air leakage measurement and control problem here, then we probably know where the answer is. Don't hesitate to contact us for more information. SEARCH: Search for any word on the Infiltec Web Site. Radon Mitigation Assistance for Homeowners and Contractors: PHOTOS: What does a radon mitigation system look like? CATALOG: Radon Mitigation Supplies: radon fans, kits, pipe couplings, gauges, etc. ABOUT RADON: Radon Maps, Risk, EPA Recommentations, Testing, Mitigation, etc. RADON FAN: Specifications and Radon Pump Replacement Guide FAQ: Frequently Asked Questions About Radon Mitigation TECHNICAL DRAWINGS: Radon Mitigation System Design Details LARGE BUILDINGS: Radon Resistant Design Assistance Assistance in Measuring and Solving Air Leakage Problems in Buildings or Ducts: ABOUT BLOWER DOORS: Pictures, Features, How to Use, Articles about Blower Doors.

45. INFILTEC: About Radon Reduction - Mitigation, Gas, Test, Testing An organized collection of radon information including radon distributionmaps and Web documents on all aspects of radon. Call toll http://www.infiltec.com/inf-abrn.htm

About Radon Reduction. An organized collection of radon information including radon distribution maps and Web documents on all aspects of radon. Call toll free (888) FIX-RADON for more assistance. Home Search New Radon FAQ ... Fun How to Locate Your Nearest Radon Assistance: EPA phone list of state radon offices. Call your local city or county health department. NRSB: National Radon Safety Board list of certified testers, mitigators and training courses NEHA: The National Environmental Health Association list of certified testers, mitigators and training courses. Call the EPA/CFA Radon Fix-it phone: (800) 644-6999. Call the EPA/NSC Radon Information phone: (800) SOS-RADON Radon Information Links from the The EPA and other Web sources: EPA Map of radon Zones for each state. Main EPA Radon Page Links to EPA's Radon General Information Resources on the Web Links to EPA's Radon Testing Resources on the Web Links to EPA's Radon Mitigation Resources on the Web Airchek Radon Information Center includes radon map, EPA radon slide show, links. Infiltec Pictures of Residential Radon Mitigation Systems EPA Technical Drawings of Residential Radon Mitigation Systems Infiltec assistance in the Design of Radon Resistant Large Buildings LATEST RADON RISK ESTIMATE from the National Academy of Sciences Biological Effects Of Ionizing Radiation (BEIR) VI Report: The Health Effects Of Exposure To Indoor Radon Confirms previous conclusions about radon as a cancer risk BEIR VI REPORT Executive Summary, February 19, 1998

46. EnvironmentalChemistry.com: Periodic Table Of Elements (Radon) Atomic structure, properties, and table of nuclides.Category Science Chemistry Elements radon......Periodic Table of Elements. Rn radon. Name in Other Languages. Latin radon;Czech radon; Croatian radon; French radon; German radon - r; Italian radon; http://environmentalchemistry.com/yogi/periodic/Rn.html

Periodic Table of Elements Rn - Radon Part One Name in Other Languages Atomic Structure Chemical Properties Physical Properties Regulatory / Health Who/When/Where/How Part Two Nuclides (Isotopes) Potential Parent Nuclides Atomic Number Group Period Series: Noble Gasses Name in Other Languages Latin: Radon Czech: Radon Croatian: Radon French: Radon German: Radon - r Italian: Radon Norwegian: Radon Portuguese: Russian: Spanish: Swedish: Radon Atomic Structure Atomic Radius Atomic Volume mol Covalent Radius ... Crystal Structure Cubic face centered Electron Configuration: p p d p d f p d p Electrons per Energy Level Shell Model Ionic Radius Filling Orbital Number of Electrons (with no charge): Number of Neutrons (most common/stable nuclide): Number of Protons Oxidation States Valance Electrons p Electron Dot Model Chemical Properties Electrochemical Equivalent Electron Work Function Electronegativity (Pauling): Heat of Fusion 2.89kJ/mol Incompatibilities: Ionization Potential First Valance Electron Potential (-eV) Physical Properties Atomic Mass Average Boiling Point K C ... Conductivity Electrical: Thermal: 0.0000364 W/cmK

47. Radon Mitigation Services radon mitigation contractors of residential and commercial properties in Florida. US EPA Listed, NEHA Category Science Environment radon Mitigation and Testing......radon gas mitigation.radon mitigation contractors specializing in design and installationof high quality effective radon reduction systems.radon gas repair in http://www.radonfix.com/

Radon gas mitigation.Radon mitigation contractors specializing in design and installation of high quality effective radon reduction systems.Radon gas repair in Florida.Florida State DOH Certified Radon Mitigation Specialist. US EPA / NEHA Radon mitigation contractor, Certified Radon Mitigation Service Provider.Radon testing and measurement in Florida real estate transactions.Realtors and Owners call us first. US EPA Radon testing company.IAQ and indoor air quality radon risk testing.Radon reduction. Links to the US EPA radon home page and Florida DOH radon home page.Consultant for large radon mitigation projects available.Serving all of Florida. 1-800-344-3746

48. Jungsteinzeit Translate this page radon - Radiokarbondaten online Datenbank mitteleuropäischer 14C-Datenfür das Neolithikum und die frühe Bronzezeit. radon-Projekt. http://www.jungsteinsite.de/radon/radon.htm

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49. Radon In North Carolina - Home Page and NC Cooperative Extension Publications, Links to EPA more, Resources for Educators Media, and radon Service Professionals National radon Poster Contest http://www.ncradon.org/

Program Overview NC Indoor Radon Grant Upcoming Programs Radon Basics ... FAQ's Welcome Radon Basics Facts About Radon, Health Risks of Radon, Radon in Water, NC Geology ... Radon in Schools Radon Measurement and Testing General Information, Do-It-Yourself Radon Testing, Radon Testing Devices, Radon Testing Checklist, ... List of Radon Measurement and Testing Professionals in NC Radon Reduction (Mitigation) General Information, What does a Radon Reduction Professional Do, How to select a Radon Service Provider, List of Certified Radon Reduction Professionals (Mitigators) in NC Radon and Real Estate General Information, Home Buyers, Sellers and Builders, Radon-Resistant New Home Construction , Information for Home Inspectors and Real Estate Sales Professionals Radon Research and Technical Information Radon Research Technical Information Resources for Additional Information Factsheets and NC Cooperative Extension Publications , Resources for , and Radon Service Professionals National Radon Poster Contest Winner - Adam Waldroup!

50. Aegis Radon Services - St. Louis . MO Provides a complete range of radonrelated services in the St. Louis Metropolitan area, measurement, Category Science Environment radon Mitigation and Testing......SKIP MOVIE http://www.aegis-radon.com/

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51. Wisconsin Radiation Protection Program radon Information for Wisconsin. Estimated Percent Homes having elevated radon,Year Average, Main Floor. Mapped by Zip Code. Double click for larger image. http://www.dhfs.state.wi.us/dph_beh/RadonProt/

Licensing Reference Center Search Radiation Links: Environmental Monitoring Radon Mammography Tanning ... Radiation Protection Publications: Notice to Employees Occupational Exposure Record Radon Information for Wisconsin Radon is a naturally occurring, odorless radioactive gas that causes lung cancer. Between five and ten percent of the homes in Wisconsin have radon levels above the US EPA guideline of 4 pCi/L for the year average on the main floor. Every region of Wisconsin has some homes with elevated radon levels. The only way to know the radon level in a house is to measure it. You can get Radon test kits in hardware stores or from local health agencies (see information centers, below) for around $20. Radon can be controlled in any house. Lung Cancer and Radon Interpreting Measurements Actions to Reduce Radon Map of Radon Test Results by Zip Code ... Radon Resistant Construction Certified Radon Measurement and Mitigation contractors Radon in Water Links Regional Radon Information Centers Health Departments: 1 Waukesha 2 Waushara 3 Dane 4 Grant 5 Fond Du Lac 6 Sauk 7 Marathon 8 Eau Claire 9 Dunn 10 Taylor 1 La Crosse 12 Watertown 13 Washington 14 Bayfield 15 Kenosha The 15 County Health Departments listed above act as

52. Radon History, properties, uses, and handling.Category Science Chemistry Elements radon......radon. For earthquake prediction. Atomic Number 86. Atomic Symbol Rn. Atomic Weight Since1923, it has been called radon. Isotopes. Twenty isotopes are known. http://pearl1.lanl.gov/periodic/elements/86.html

Radon For earthquake prediction. Atomic Number: Atomic Symbol: Rn Atomic Weight: Electron Configuration: [Xe]6s History (From radium; called niton at first, L. nitens, shining) The element was discovered in 1900 by Dorn, who called it radium emanation. In 1908 Ramsay and Gray, who named it niton, isolated the element and determined its density, finding it to be the heaviest known gas. It is essentially inert and occupies the last place in the zero group of gases in the Periodic Table. Since 1923, it has been called radon. Isotopes Twenty isotopes are known. Radon-22, from radium, has a half-life of 3.823 days and is an alpha emitter; Radon-220, emanating naturally from thorium and called thoron, has a half-life of 55.6 s and is also an alpha emitter. Radon-219 emanates from actinium and is called actinon. It has a half-life of 3.96 s and is also an alpha emitter. It is estimated that every square mile of soil to a depth of 6 inches contains about 1 g of radium, which releases radon in tiny amounts into the atmosphere. Radon is present in some spring waters, such as those at Hot Springs, Arkansas. Properties On the average, one part of radon is present ot 1 x 10

53. RADON MAINE radon HOMEPAGE. The Radiation Control Program provides, free of charge,information packets containing information on different aspects of radon. http://www.state.me.us/dhs/eng/rad/hp_radon.htm

DEPARTMENT OF HUMAN SERVICES BUREAU OF HEALTH Radiation Control Program Last Update: DHS Bureau of Health Radiation Control Program MAINE RADON HOMEPAGE IMPORTANT CONSUMER NOTICE REGISTERED RADON COMPANIES Registered Laboratories Providing Air and Water Radon Analysis Registered Air and Water Mitigation Contractors Registered Air and Water Testing Companies ADDITIONAL RADON INFORMATION Radon Testing/General Information Water Information Radon Reduction (Mitigation) Information Real Estate Information ... Other Information The Radiation Control Program provides, free of charge, information packets containing information on different aspects of radon. We also register radon service providers (laboratories, contractors, and testing companies) that have a proven level of training. Click Here for more Radon Service provider information FOR ADDITIONAL INFORMATION CALL THE MAINE BUREAU OF HEALTH, RADIATION CONTROL PROGRAM AT: Hits since 9/5/2001:

54. Radon - Utah Geological Survey Maps and other information on Utah radon hazards. Also information on radon in general.Category Regional North America Utah Science and Environment...... radon Information radon Maps radon Publications What is radon? radonis a radioactive gas that has no smell, taste, or color. radon Maps. http://www.ugs.state.ut.us/utahgeo/hazards/radon.htm

ugs utah geology geologic hazards / radon Radon Radon Information Radon Maps Radon Publications What is radon? Radon is a radioactive gas that has no smell, taste, or color. It comes from the natural decay of uranium that is found in nearly all rock and soil. When geologic conditions are favorable, the potential increases for high indoor levels of radon. If radon is natural, why is it a hazard? Outdoor radon levels never reach dangerous concentrations because air movement scatters radon into the atmosphere. Radon is a hazard in buildings because the gas collects in enclosed spaces. What conditions must be present for high indoor-radon levels? Four conditions must be present. The building must: be built on ground that contains sufficient uranium. have underlying soil that allows easy movement of radon. have porous building materials, cracks, or other openings below the ground surface that allow radon from soil to enter the building. have a lower air pressure inside than in the soil around the foundation.

55. Radon [Rn] [86] - Chemical Element Datasheet - Periodic Table Of The Elements - Electronic, thermal, and steric data along with an isotope table.Category Science Chemistry Elements radon......radon, Symbol Rn Atomic number 86 Atomic mass (222.0176)Group Noble Gas CASnumber 10043-92-2. http://www.vcs.ethz.ch/chemglobe/ptoe/_/86.html

ChemGlobe Periodic Table of the Elements Radon Symbol: Rn Atomic number: Atomic mass: Group: Noble Gas CAS-number: Text version Deutsch Physical data Isotopes ... Other info Table navigation panel Back to periodic table Xe At Cs Uuo Go to element Physical data Electronic data Thermal data Steric data Shells: Orbitals: [Xe] 4f Electronegativity: 1. Ionization potential: 10.7485 eV 2. Ionization potential: eV 3. Ionization potential: eV Oxidation states: Electrical conductivity: Melting point: Boiling point: Specific heat: 0.09 J/gK Heat of fusion: 2.890 kJ/mol Heat of vaporization: 16.40 kJ/mol Thermal conductivity: 0.0000364 W/cmK Atomic radius: Ionic radius: Covalent radius: Atomic volume: Density (293 K): Crystal structure: Cubic: Face centered Legend Pocket calculator Isotopes Nuclide Abundance [%] Mass Spin Halflife Decay mode Decay tree Rn EC, View Rn View Rn View Rn View Rn View Rn View Rn View Legend Other info Name origin: Variation of the name of another element, radium. Description: Colorless, odorless, tasteless, radioactive, heavy, noble gas. Discovered by: Fredrich Ernst Dorn Year: Place: Germany Sources: Formed from the decay of radium in the earths crust.

56. ATSDR - Public Health Statements:Radon Similar pages North Dakota Department of Health Divradon. North Dakota Department of Health - Division of Air Quality. There isno scientific doubt that radon gas is a known human lung carcinogen. http://www.atsdr.cdc.gov:8080/ToxProfiles/phs9023.html

Search Index Home Glossary ... Back to List of Public Health Statements RELATED RESOURCES Minimal Risk Levels Tox Profile Info Division of Toxicology CONTENTS 1.1 What is radon? 1.2 How might I be exposed to radon? 1.3 How can radon enter and leave my body? 1.4 How can radon affect my health? ... References Public Health Statement for Radon CAS# December 1990 This Public Health Statement is the summary chapter from the Toxicological Profile for Radon. It is one in a series of Public Health Statements about hazardous substances and their health effects. A shorter version, the ToxFAQs , is also available. This information is important because this substance may harm you. The effects of exposure to any hazardous substance depend on the dose, the duration, how you are exposed, personal traits and habits, and whether other chemicals are present. For more information, you may call the ATSDR Information Center at 1-888-422-8737. This Statement was prepared to give you information about radon and to emphasize the human health effects that may result from exposure to it. The Environmental Protection Agency (EPA) has identified 1,177 sites on its National Priorities List (NPL). Radon has been found above background levels at five of these sites. However, we do not know how many of the 1,177 NPL sites have been evaluated for radon. As EPA evaluates more sites, the number of sites at which radon is found may change. The information is important for you because radon may cause harmful health effects and because these sites are potential or actual sources of human exposure to radon.

57. Minnesota Radon Project radon test,radon gas,radon detector, alpha track detector, testing for radon, radon,radontesting, alpha track detector, radiation, environmental, radon testing http://www.csbsju.edu/MNradon/

The Minnesota Radon Project is a public service organization that assists people with high radon homes through radon-related research and outreach programs. or alpha track detector Iowa South Dakota North Dakota Wisconsin Michigan Nebraska Colorado Montana Wyoming *Definitions popup for BURGUNDY words. The Glossary page link gives detailed definitions**. If you want to test your home for radon click here We conduct local and regional surveys of RADON (Rn) concentrations in homes, workplaces, and outdoors to assist individuals and organizations assess environmental radiation exposures. A free hot line ( ) and e-mail are available to people who have questions about radon, environmental radiation and radiation risks. We investigate the human health risk lung cancer ) associated with RADON PROGENY exposure, the nature of radon sources, geologies associated with high radon occurrences, and environmental radon transport. Most of the research for the Minnesota Radon Project (MRP) is done in the Schaefer Environmental Radiation Laboratory ( SERL ), a

58. Radon radon UPDATE. FACTS CONCERNING ENVIRONMENTAL radon. (LEVELS, MITIGATION STRATEGIES,DOSIMETRY, EFFECTS, GUIDELINES). radon UPDATE. TABLE OF CONTENTS. http://www.physics.isu.edu/radinf/radon.htm

RADON UPDATE FACTS CONCERNING ENVIRONMENTAL RADON (LEVELS, MITIGATION STRATEGIES, DOSIMETRY, EFFECTS, GUIDELINES) PREPARED BY THE SNM COMMITTEE ON RADIOBIOLOGICAL EFFECTS OF IONIZING RADIATION Members of the Committee who participated actively in writing and editing this report include: A.B. Brill, Comm. Chairman, with significant contributions by Committee members, D. V. Becker, D.R. Brill, K. Donohue, B. Greenspan, S. Goldsmith, H. Royal, E. Silverstein, and E. Webster. K. Kase, Stanford Linear Accelerator Center provided valuable advice and assistance in the preparationIt of the document. EDITORS NOTES: Permission was granted by Dr. A.B. Brill for use of this article at this WWW site. It has been reproduced from its publication in The Journal of Nuclear Medicine, Vol. 35, No. 2; Feb 1994 and material submitted by the author. This article may not be reprinted without the author's permission. The article has been form modified for WWW publication. For correspondence or reprints contact: A.B Brill, University of Massachusetts Medical Center, 55 Lake Ave. North, Worcester, MA 01655. Numbers in parenthesis point to the list of referenced sources at the end of the paper. This document is best viewed with a web browser that can read tables and superscripts. Numbers shown as " 3x10

59. Radon And Its Health Effects Radiation Information Network's, radon. General Information on radon. al.);radon map of US; radon Occurrence and Health risk. EPA Documents on radon. http://www.physics.isu.edu/radinf/radonpubs.htm

Radiation Information Network's Radon General Information on Radon Radon Update 1994 (A.B. Brill, et. al.) Radon map of US Radon Occurrence and Health risk EPA Documents on Radon A Citizen's Guide to Radon (second edition) The guide to protecting yourself and your family from radon Consumer's Guide to Radon Reduction How to Reduce Radon Levels in Your Home El Radón Guía para su protección y la de su familia Home Buyer's and Seller's Guide to Radon Model Standards and Techniques for Control of Radon in New Residential Buildings ... Radon - A Physician's Guide: The Health Threat With A Simple Solution A Radon Guide for Tenants Radon in Schools (Second Edition) Radon Measurement in Schools (Revised Edition) Radon Mitigation Standards Radon Prevention in the Design and Construction of Schools and Other Large Buildings Buying a New Home: How to Protect Your Family From Radon Building a New Home: Have You Considered Radon? ... Reducing Radon Risks (the "Hold Your Breath" brochure) More on Radon Radon and Your Home USGS Radon Homepage 1995 State Radon Contacts Radionuclides in Drinking Water (EPA) Additional Radon Information (EPA) Geology of Radon (USGS) EPA National Radon Proficiency Program Non-Federal National Radon Proficiency Programs EPA NAS Report on Radon in Drinking Water BEIR VI More Radon Information E.O. Lawrence Berkeley National Laboratory High-Radon Project Home Page

60. Radon Mitigation And Waterproofing Concrete Sealer Basement remodeling, waterproofing, radon mitigation and mold remediation in one. radonSeal penetrating Category Science Environment radon Mitigation and Testing......radon mitigation and basement waterproofing made easy! radonSeal penetratingconcrete sealer stops water seepage, radon, and dampness PERMANENTLY. http://www.radonseal.com/

Penetrating concrete sealers Radon Mitigation and Basement Waterproofing Made Easy! Wet Basement, Radon, Mold and Mildew? Most new basements develop water seepage within 10 to 15 years. Efflorescence ("white powder") or musty odors are the fist warning signs. Basements are the No. 1 complaint of homeowners: over 60% of homes have a wet basement 1 in 3 have some mold and mildew, and over 2% have the toxic "black mold" 1 out of 5 homes has an elevated level of radon. Basement remodeling traps invisible water vapor. Damp basement air circulates through the house and spreads allergy-causing molds, mildew, and radon gas which causes lung cancer. Indoor air quality in homes and schools has become an urgent child health issue. You could spend thousands of dollars on home repairs - basement waterproofing, damp-proofing, and radon mitigation. Or, you can deep-seal your concrete with RadonSeal to stop and prevent basement problems once and for all! Waterproofing and Radon Mitigation in One! The cause is clear - concrete is naturally porous (12 to 20% air). When concrete cures, water creates a network of interconnected pores (capillaries). They let in liquid water, water vapor, and radon gas. Like a wick, they even draw water from several feet away. And as the concrete ages, the pores get bigger and bigger.

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