41. Homes Plus Inc, Licensed Home & Radon Inspector, Southeastern Connecticut Home inspection company and radon testing laboratory serving southeastern Connecticut. http://homesplusct.com/

HOME ABOUT US LINKS THE INSPECTION ... RADON TEST RESULTS Homes Plus Inc. Norwich Connecticut 06360 Call us at 860-887-5128 Or email Scott Harrington When it comes to the most important purchase of your life, make sure you hire a qualified home inspector. The inspectors at Homes Plus, Inc . look forward to serving you. WHAT OUR CUSTOMERS SAY ... THE INSPECTION THE REPORT RADON SERVICES ... LINKS Homes Plus, Inc Bizgrok Web Design . 01 January 2004

42. Article Understanding Radon This article may answer some commonly asked questions about radon.There are 24 color graphs showing the variability of radon levels recorded with a 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?

43. Cornwall Radon Gas Centre radon testing and mitigation of buildings and private water supplies, including design and installation of systems. Testing soil. Cornwall, England. http://www.cornwallradon.co.uk

Cornwall Radon Gas Centre IS THERE A RADIOACTIVE GAS IN YOUR HOME? There may be, and the name of this gas is RADON C Frederick-Preece Cornwall Radon Gas Centre Gunnislake, Cornwall, PL18 9NA Phone/Fax 01822 832816 Testing Even in severely affected areas, (not necessarily on granite ) there are usually more houses below the action level than at or above it. However, the only way to determine if your house or workplace is below the action level is to carry out testing. You will need specific types of radiation detectors, or meters, though. If necessary we can also conduct testing of the water supply. Water Public water supplies are unlikely to contain significant amounts of radon. However, where ground waters have migrated though uranium or radium rich rocks some private supplies, notably from wells or boreholes, can contain high levels of dissolved radon. Radon release from water usage in these cases can contribute to room air concentrations and may also increase intestinal cancer risks though direct ingestion of the water. Pages last modified: 28 March 2001 Radon is a naturally occurring radioactive gas present in the air we all breath.

44. Radon Johann radon. Born 16 Dec Johann radon attended school in Leitmeritz (now Litomerice) in Bohemia between 1897 and 1905. He then entered http://www-gap.dcs.st-and.ac.uk/~history/Mathematicians/Radon.html

Johann Radon Born: 16 Dec 1887 in Tetschen, Bohemia (now Decin, Czech Republic) Died: 25 May 1956 in Vienna, Austria Click the picture above to see two larger pictures Show birthplace location Previous (Chronologically) Next Biographies Index Previous (Alphabetically) Next Main index Johann Radon attended school in Leitmeritz (now Litomerice) in Bohemia between 1897 and 1905. He then entered the University of Vienna where he was awarded a doctorate in 1910 for a dissertation on the calculus of variations In 1919 Radon became assistant professor at Hamburg becoming a full professor in Greifswald in 1922. He taught in Erlangen in 1925, then from 1928 until 1945 he worked at the University of Breslau. He was appointed to the University of Vienna in 1947 and he remained there for the rest of his life. Radon applied the calculus of variations to differential geometry which led to applications in number theory . He discovered curves whch are now named after him. His best known results involve combining the integration theories of Lebesgue and Stieltjes Article by: J J O'Connor and E F Robertson Click on this link to see a list of the Glossary entries for this page List of References (6 books/articles) A Poster of Johann Radon Mathematicians born in the same country Other Web sites Mathematical Genealogy Project Previous (Chronologically) Next Biographies Index Previous (Alphabetically) Next Main index History Topics Societies, honours, etc.

45. Chemical Elements.com - Radon (Rn) Name radon Symbol Rn Atomic Number 86 Atomic Mass (222.0) amu Melting Point 71.0 °C (202.15 °K, -95.8 °F) Boiling Point -61.8 °C (211.35 °K, -79.24 http://www.chemicalelements.com/elements/rn.html

Home About This Site Comments Help ... Window Version Show Table With: Name Atomic Number Atomic Mass Electron Configuration ... Crystal Structure Element Groups: Alkali Metals Alkaline Earth Metals Transition Metals Other Metals ... Citing This Page Basic Information Name: Radon Symbol: Rn Atomic Number: Atomic Mass: (222.0) amu Melting Point: Boiling Point: Number of Protons/Electrons: Number of Neutrons: Classification: Noble Gas Crystal Structure: Cubic Density @ 293 K: 9.73 g/cm Color: colorless Atomic Structure Number of Energy Levels: First Energy Level: Second Energy Level: Third Energy Level: Fourth Energy Level: Fifth Energy Level: Sixth Energy Level: Isotopes Isotope Half Life Rn-211 14.6 hours Rn-212 24.0 minutes Rn-217 0.6 milliseconds Rn-218 35.0 milliseconds Rn-219 3.96 seconds Rn-220 55.61 seconds Rn-222 3.82 days Facts Date of Discovery: Discoverer: Fredrich Ernst Dorn Name Origin: From radium Uses: treatment of cancer Obtained From: decay of radium Related Links Note: The external links below are not a part of this site and their content is not the responsibility of this site Radon Information From the US Geologic Survey A Citizen's Guide to Radon From The U.S. Environmental Protection Agency

46. McLean County Radon Awareness Program Information about radon sponsored by the McLean County This Illinois State University program features community task force members, coupon to order test kit, kid zone with puzzles, maze, and word find. http://radonmclean.org/

About Radon Order Test Kit Testing for Radon Radon in Illinois ... Learn about Radon! 2 Free programs June 7, 2004. Click to find out more! Welcome to the McLean County Radon Awareness Program Web Site. This web site has been developed in order to educate residents of McLean Country about the possible health risks of prolonged exposure to radon gas. The McLean County Radon Awareness Program is funded through a grant from the Illinois Department of Nuclear Safety. This site contains information about radon, and more specifically, the potential for exposure in McLean County. You will also find information about testing your home and other buildings for the presence of radon, how to receive a coupon for a radon test kit, mitigation of radon gas and the answers to some frequently asked questions and myths about radon. Much of the information contained on this web site was originally published by the Illinois Department of Nuclear Safety. (now the Illinois Emergency Management Agency, Radon Division) This information/product is provided by the McLean County Radon Awareness Program as a community service and the utilization or interpretation of provided material carries no warranty of quality or accuracy by the provider

47. SSI — Statens Strålskyddsinstitut — Swedish Radiation radon Uppdaterad oktober 2003, radon är en ädelgas som bildas när det radioaktiva grundämnet radium sönderfaller. radongasen http://www.ssi.se/radon/framsida.html

rand(15) Radon Uppdaterad oktober halveringstid SOU 2001:7 SSI i1994-05 170 Kb Ansvarig utgivare: Britt Ekman . Webmaster: Bosse Alenius . Har du frågor eller synpunkter, kontakta SSI Statens strålskyddsinstitut, 171 16 Stockholm. Tfn: 08-729 71 00, fax: 08-729 71 08 var menu = new COOLjsMenu("MainMenu", MENU_ITEMS);

48. Leukemi Och Radon Om en m¶jlig bakgrund till blodcancer. http://www.occmed.uu.se/webblad/AMM981/leukemi_och_radon.htm

Leukemi och radon Motsägelsefulla resultat från Italien I en italiensk studie genomförd i Viterbo norr om Rom fanns det ingen ökad risk för myeloisk leukemi med ökande radonhalt eller ökande nivå på gammastrålning i bostaden. Däremot såg man en ökad risk för leukemi i områden som bedömts ha ökad risk för hög radioaktivitet i marken enligt en geologiskt baserad klassificering. Det något motsägelsefulla resultatet har inte givit stöd till hypotesen om att radon i inomhusluften eller gammastrålning i byggnaden ökar risken för leukemi. Misstänkt länge Sedan cirka 20 år har det funnits misstankar om samband mellan leukemi och exponering för joniserande strålning i inomhusmiljöer, t ex radon i inomhusluften. Några geografiskt/geologiskt baserade studier, bland annat i samma område där den aktuella studien genomfördes, har rapporterat samband mellan myeloisk leukemi och förmodat högre radioaktivitet i marken eller berggrunden. En italiensk forskargrupp med deltagande från Yrkes- och miljömedicin i Linköping rapporterade från en fall-kontrollstudie av 44 vuxna män som drabbats av myeloisk leukemi samt 211 kontroller som valdes ut blad patienter med andra cancersjukdomar. Som komplement till en geografisk klassificering baserad på risk för radioaktivitet i marken, mätte man radonhalt och gammastrålning i den senaste bostaden där fallen och kontrollerna hade bott. Över 80% i båda grupperna hade bott minst tio år i det huset. Vatten ej undersökt

49. Radon Laboratory Services - Testing For Radon Gas In Ireland Some information on radon gas, possible measurement of it, and building regulations, with Radiological Protection Institute maps of affected areas, are presented by this commercial service provider. http://www.rls.ie/

Radon Gas is a colourless, odourless gas. Your home could be at risk to high levels of Radon. Find out More about Radon? Domestic Workplace Radon Dangers ... Get Tested NOW Radon Laboratory Services Limited Business Park, Dublin Road, Carrick-on-Shannon, Co. Leitrim, Ireland. Tel:- + 353 (0) 71 9620724, Fax:- + 353 (0) 71 9622873, E-mail info@rls.ie

50. North American Home Inspection|Romeo,Michigan Home inspection specialists serving Southeast Michigan. We perform home inspections, water analysis, radon testing, and septic evaluations on both new and used homes. ASHI member. http://www.northamericanhomeinspection.com

North American Home Inspection Welcome to North American Home Inspection. We are experts in residential home inspections. We also perform radon testing, well and septic evaluations (including those required by Macomb County Health Department on the sale of homes),water analysis, partial home inspections, and new construction phase inspections. New construction phase inspections will help you monitor the building of your new home by hiring us to inspect the sub-contractor's quality of work at regular intervals throughout the building process. We service all of Macomb, Oakland, Lapeer, St. Clair and southeast Genesee counties in Michigan. On this website you can learn more about the services we offer, our experience and qualifications, and view our schedule of fees. In addition, we welcome you to e-mail us with any specific questions or concerns. In our never-ending quest to serve you to the fullest, please do not hesitate to call, fax, or email us with any questions, concerns, or comments. If fact, even if you were completely satisfied, we would love to know! Your thoughts and suggestions enable us to provide you with the best in home inspection services. Office: 586-336-0032 Toll Free: 1-800-547-0568 Fax: 586-752-9322 E-Mail: NAHI2000@comcast.net

51. What Are The Radon Progeny (formerly Radon Daughters)? Introducing the radon Progeny (formerly called radon Daughters). pour la version française . The chart below lists all of the http://www.ccnr.org/radon_chart.html

Introducing the Radon Progeny (formerly called Radon Daughters) The chart below lists all of the decay products of radon gas (radon-222) in their order of appearance. They are called the "radon progeny" (formerly "radon daughters"). Each radioactive element on the list gives off either alpha radiation or beta radiation and sometimes gamma radiation too thereby transforming itself into the next element on the list. Lead-206, the last element on the list, is not radioactive. It does not decay, and therefore has no half-life. When radon gas is allowed to build up in an enclosed space, such as a mine shaft or basement, the radioactive hazard increases enormously because of the build-up of radon progeny. Conversely, when radon gas migrates through the atmosphere, the solid radon progeny are deposited on the soil and water below, entering into the food chain and hence the bodies of birds, animals, fish and insects. NOTES ON THE CHART The vertical axis measures the MASS NUMBER, while the horizontal axis measures the ATOMIC NUMBER. DIAGONAL ARROWS indicate alpha decay while HORIZONTAL ARROWS indicate beta decay.

52. Radon Studio Since its beginning as a recording studio in 1998, radon has evolved to become a connecting point for a thriving, international network of uncompromising http://www.radonstudio.com/

enter Koonda Holaa and the Beetchees, (r), Sikhara, Daniele Brusaschetto, 36, Steve Mackay, Ripit, Nequaquam Vacuum Since its beginning as a recording studio in 1998, Radon has evolved to become a connecting point for a thriving, international network of uncompromising performers. Radon releases cds, records and VHS, organizes tour booking and publicity, and offers an association of recording and mastering services. This forward thinking conglomerate provides a glimpse into the future of experimental music and arts promotion.

53. WeHomeCheck.com - Home Inspection Services Certified and licensed. Serving NH and Mass. Services, rates, radon information, and contact form. Located in Derry. http://wehomecheck.com/

Main Menu Home Home Inspection Testing Homeowner Tips ... Site Map Welcome Professional Home Inspections Member of ASHI (American Society of Home Inspectors) Licensed by State Division of Professional Licensure: License No. 470 Licensed FHA and VA Pest Inspections: License No. 31320 Certified by EXAMINATION BOARD of PROFESSIONAL HOME INSPECTORS Insured Serving New Hampshire and Massachusetts Why Choose Personal and Professional Over 24 Years in Business Over 22 Years in Residential, Commercial and Industrial Repair, Maintenance and Installation Over 15 Years of Consulting to Industrial and Commercial Businesses Our Inspectors Teach Home Inspection Courses Antique Homes a Specialty* Our Home Inspection Includes: Structural Electrical Insulation Ventilation Roofs Drainage Foundation Site Inspections Radon Testing* Water Quality Analysis* Pest Inspection FHA/VA* TYPICAL HOME ONLY $275.00 Modest extra charge for weekends Additional Fee for 8 or more rooms In-law Unit..........additional $25.00 Two-Family Unit.........only $350.00 Three-Family Unit.......only $425.00

54. Radon Project Of Lawrence Berkeley National Laboratory And Columbia University D Periodic Table of Elements radon Rn (EnvironmentalChemistry.com Comprehensive information for the element radon - Rn is provided by this page including scores of properties, element names in many languages, most known 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

55. Suburban Water Testing Labs: Water Tests Nationally Recognized Lab, Specializing in Drinking Water Analysis and radon Testing http://www.h2otest.com/

Water contamination can have a negative affect on the health of you and your family. The effects may be immediate or long term. A USGS survey found that 70% of private wells were contaminated. EPA recommends that you test for a minimum of coliform bacteria, nitrate and lead, even if you have public water. The earth has 326,000,000 cubic miles of water but only 0.3% is usable by humans. DO YOU KNOW WHAT YOU'RE DRINKING? Suburban Water Testing Labs can tell you. A simple water test can restore your confidence in the safety of you and your family. More importantly, testing may reveal contaminants that you have unknowingly been living with for many years. WHAT CAN CONTAMINATION CAUSE? Some cause immediate illness, while others can create serious long-term health problems. WHAT HAPPENS IF I HAVE CONTAMINATION?

56. BAG - Strahlenschutz - Radon... Translate this page DIENSTE. DAS BAG. HILFE. Suchen. Sitemap. Kontakt. Bedienung. radon Vor radon kann man sich schützen, gegen radon kann man etwas tun ! http://www.bag.admin.ch/strahlen/ionisant/radon/d/

D F erweitert AKTUELL THEMEN ... Bedienung Radon... ein radioaktives Edelgas (Zerfallsreihe gelangt vom Bauuntergrund ins Gebäude verursacht rund 200 Todesfälle durch Lungenkrebs macht 40% der Strahlenexposition der Bevölkerung aus Vor Radon kann man sich schützen, gegen Radon kann man etwas tun ! Besuchen Sie unsere interaktive Diashow © 2002 Bundesamt für Gesundheit, CH-3003 Bern Tel +41 (0)31 322 21 11, Fax +41 (0)31 322 95 07 E-Mail str@bag.admin.ch , Letzte Änderung: 27.04.2004 Ionisierende Strahlung home Dosimetrie Bewilligungen Umwelt ... Radon [Radon] Herunterladen Bewilligung und Aufsicht Dosimetrie Umwelt ... Radon

57. EnviroBay.com – The Community For Environmental Professionals Environmental community offering information on OSHA regulations, asbestos, radon and lead abatement and removal. http://www.envirobay.com

Search EnviroBay Entire Site Click on headlines for the full story EnviroBay.com is best experienced with Microsoft Internet Explorer 5.5 and a screen size of 1024x768 Download Free Other Websites You May Find Useful JunkScience.com (All The Junk That's Fit To Debunk) Tech Central Station (Where Free Markets Meet Technology) Mold Update (Sponsored by the National Association of Mutual Insurance Companies) EnviroBay.com Partners Click the logos for more information Welcome to Envirobay.com The Internet Community for Environmental Professionals™ If you are already and EnviroBay.com member, click here to log in. Click here to subscribe to our free Mold Awareness Newsletter Become an EnviroBay.com Member Certified Mold Worker Training Course Schedule: May 20-21 (Thur-Fri) June 17-18 (Thur-Fri) July 8-9 (Thur-Fri) All courses taught in Oklahoma City, OK

58. Cerro Gordo County Department Of Public Health Public health services described include immunizations, std/hiv clinic, home care, senior health clinic, environmental health, lead poisoning, radon within 14county service area in north Iowa. http://www.cghealth.com

OUR SERVICES Home Health Nursing Home Care Aides Immunizations Immunizations Protect ... Health Planning/Data Administration Bioterrorism and preparation SPECIAL PROJECTS Asthma Newsletter Asthma Program Tobacco JEL ... Empowerment Indicators New! Healthy Cerro Gordo 2010 Influenza Ordinance Animal Confinements West Nile Virus ABOUT US Contact Us Our Mission, Vision and Strategic Direction About the Health Dept. Board of Health ... SEARCH Check out our youth web site! Read our plan for the future Healthy Cerro Gordo 2010 Questions? Comments? HOME Acrobat Reader is required for (PDF) files on this site. Floods in Cerro Gordo County Public Health officials offer health and safety information during flood clean up As rising waters flooded many area business and homes over the weekend, officials with the Cerro Gordo County Department of Public Health caution residents to follow safe cleaning procedures. Detailed information packets about safe clean up are available at the health department office, located at 22 N. Georgia Ave. Suite 300, Mason City, Iowa.

59. National Radon Proficiency Program Certification and continuing education courses and home study distant based programs for radon Professionals and the general public. Offered by the University of Colorado at Colorado Springs, Colorado. http://www.radongas.org/wrrtc

National Environmental Health Association National Radon Proficiency Program A nationally recognized certification program for radon professionals maintaining the highest level of ethics and quality Lists of Certified Individuals Measurement Mitigation Laboratories Checklist for Consumers ... Speakers Bureau (Individuals who give radon presentations) Information for Radon Professionals NEW Device Performance Testing Application for Certification Measurement Certification Mitigation Certification ... New Applications Chambers Certified Performance Test Chambers Chamber Protocols Chamber Application Chamber Application Instructions Radon Training Entry Level Course Providers Continuing Education Courses Exam Results Other Radon Links ... 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 Information Mail - NEHA NRPP Administrative Office P.O. Box 2109 Fletcher, NC 28732

60. Energy Hotwire.com-Home Of Energy Saving Light Bulbs, Solar Attic Fans, Sun Tunn Consulting for corporate and government accounts on environmental topics such as air, asbestos, cooling, heating, lighting, radon, office recycling stations and water. http://www.energyhotwire.com

A service under B and B Ventures, Inc. WELCOME / CREDENTIALS ENERGY SAVING PRODUCTS HOME ENERGY AUDITS BUSINESS ENERGY AUDITS ... LEGAL Visit Access Coupon Union www.acu.net to find local web sites that offer web coupons or web specials! Energy Hotwire.com can help you lower your energy bills, save money and help our environment. Only solutions without sacrifices will be recommended. We offer FREE facts and information , as well as the best energy saving products for the best price, with the best service. MAKE AMERICA ENERGY INDEPENDENT! WE HAVE THE TECHNOLOGY! When and how to fly our American flag Energy Hotwire.com-Home of energy saving light bulbs, solar attic fan, sun tunnel skylight, compact fluorescent bulbs, energy audits, energy consulting, springlamps, free facts to help America save time, money, energy (oil and gas) as well as our Earth .

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