141. Radon - Wikipedia, The Free Encyclopedia Properties of the element, including its history, applications, and charateristics. http://www.wikipedia.org/wiki/Radon

Main Page Recent changes Edit this page Page history ... Printable version Not logged in Log in Help Other languages: Dansk Deutsch Nederlands Svenska Radon From Wikipedia, the free encyclopedia. Astatine Radon Xe Rn Uuo Full table General Name Symbol Number Radon, Rn, 86 Chemical series Noble gases Group Period ... K , NA Appearance colorless Atomic properties Atomic weight amu Atomic radius (calc.) no data (120) pm Covalent radius 145 pm van der Waals radius no data Electron configuration Xe f d ... e 's per energy level Oxidation states Oxide (unknown) Crystal structure Cubic face centered Physical properties State of matter gas ( nonmagnetic Melting point K F ... Boiling point 211.3 K (-79.1 °F) Molar volume m /mol Heat of vaporization ... Heat of fusion 2.89 kJ/mol Vapor pressure NA Speed of sound NA Miscellaneous Electronegativity no data Specific heat capacity J/(kg*K) Electrical conductivity no data Thermal conductivity W/(m*K) st ionization potential 1037 kJ/mol Most stable isotopes iso NA half-life DM ... DP Rn h Epsilon Alpha At ... Po Rn d Alpha Po SI STP are used except where noted. Radon is a chemical element in the periodic table that has the symbol Rn and atomic number 86. A

142. CRCPD radon Page updated 5/18/04 Outreach Activities/radon Cookbook Added 2/12/04. Posted 10/21/03 Highlighting State radon Program Activities, http://www.crcpd.org/Radon.asp

2004 Annual Meeting Info What's New Contact CRCPD Search ... Secure Sites Special Services About Assistance with Unwanted Material Comprehensive Review of State Radiation Control Programs Industrial Radiography ... Legal Stuff About This Site Conference of Radiation Control Program Directors. Inc. A Partnership Dedicated to Radiation Protection Home What's New Links Working Groups ... Join CRCPD Radon [Page updated 5/18/04] Outreach Activities/Radon Cookbook [Added 2/12/04] Radon is a colorless, odorless gas that emanates from the soil worldwide. It can concentrate in the home, and if breathed for a prolonged period of time, can cause lung cancer. In fact, the Surgeon General has warned that radon is the second leading cause of lung cancer in the United States today. Only smoking causes more lung cancer deaths. EPA updates estimates of lung cancer risk from indoor radon. Click here for more information. [Posted 10/21/03] Highlighting State Radon Program Activities Technical Information Presented at the 2003 National Radon Meeting is now available online at no charge and on CD for purchase. Note that the online version does not contain all of the information provided by speakers that presented at the meeting due to the size of some of the files; they are available on the CD, however.

143. Landauer Inc. Radiation dosimetry products and services to measure exposure to occupational and environmental radiation including Xray, beta and gamma monitors, neutron badges, and radon gas detectors. http://www.landauerinc.com

144. Radon California Certified Providers of radon Services. Testers PDF Format Testers -Word Format. A Brief Explanation EPA’s Map of radon Zones. http://www.dhs.ca.gov/radon/

Radon What is Radon? Free Short-term Radon Test Providers of Radon Services EPA's Radon Potential Map of California and Explanation ... DHS IAQ Unit, Mold, Asbestos The California Department of Health Service’s (DHS) Radon Program goals are to educate and increase the public awareness of the risks of radon in indoor air. The program promotes radon testing of homes, businesses, and schools. The program also works to identify areas with the potential for elevated levels of radon in indoor air due to geology, etc. The Program is responsible for listing individuals certified to perform radon services in California. What is Radon? Radon is a naturally occurring colorless, tasteless, and odorless gas that comes from the decay of uranium found in nearly all soils. It enters buildings byway of the ground through cracks and openings in the foundations. Once inside the radon can become trapped and unless the building is properly ventilated to remove the gas, it can become a health hazard. Long-term exposure to elevated levels of radon increase ones risk of contracting lung cancer. The levels of radon vary throughout the country and the concentrations entering homes varies from home to home.

145. KCHomesForSale.com And The Carrison Team Todd Gorter. Mid America Property Inspections, is a fullservice inspection company. It provides whole house structural and mechanical inspections, as well as termite, air radon and water quality. http://www.kchomesforsale.com/cgi-bin/carrison/switchboard.pl?loc=tgorter

146. Environmental Hazards In The Home (EPA) Substances, such as radon gas and asbestos, have provoked new questions about how and where we build homes and manage their upkeep. radon. http://www.hsh.com/pamphlets/hazards.html

Information from the Consumer's Resource Handbook See also: Mortgage Rates from Local Lenders The Library Environmental Hazards in the Home Will this house make you sick? Things you should know about your house and the environment This publication is a reprint of a cooperative publication developed by the EPA, trade associations, and state and federal agencies representing the U.S. housing and home finance industry. It is in the public domain. Introduction Does this home fit my needs and those of my family? Is this a safe, secure home, free from potential hazards? Is this home a good investment and will it retain and increase its value in the years ahead? These are among the hundreds of questions that home buyers ask themselves as part of the home-buying thought process. It is good policy, this questioning, a means of gathering hard facts that can be used to balance the emotional feelings that are so much a part of buying a home. In ever-increasing numbers, home buyers today find it necessary to add new kinds of questions to their quest for information. Environmental concerns are becoming an element of the home-buying process. Although it is unrealistic to expect that any home that you are considering purchasing will be free of all forms of environmental influences, most homes (and the areas surrounding most homes) in the United States generally do not contain materials and substances that pose a health threat. However, in recent years, new concerns have been raised as our understanding of the natural environment has increased. Substances, such as radon gas and asbestos, have provoked new questions about how and where we build homes and manage their upkeep.

147. URANIUM: THE DEADLIEST METAL A detailed paper on uranium, its radioactive products, mining, and radiation risks to people issued by the Canadian Coalition for Nuclear Responsibility (1992). The health risks even at the low radon levels in homes. http://www.ccnr.org/uranium_deadliest.html

Canadian Coalition for Nuclear Responsibility Regroupement pour la surveillance Uranium: The Deadliest Metal by Dr. Gordon Edwards, President of CCNR This article appeared in Perception magazine, v. 10 n. 2, 1992 TURN OFF BACKGROUND COLOR Bombs and Radioactive Waste Dying for a Living Radioactive Daughters ... A Deadly Legacy Bombs and Radioactive Waste Canada is the world's largest producer and exporter of uranium, yet most Canadians are entirely unaware of our involvement with this "deadliest of metals." There are only two commercially important uses for uranium: nuclear weapons and nuclear reactors. The ultimate products of the uranium industry are therefore bombs and radioactive wastes. For this reason alone, uranium merits classification as a deadly metal. But the lethal nature of uranium was manifested long before the first atomic bombs were built or the first nuclear reactors were fuelled. Dying for a Living As early as 1546, and for centuries afterwards, it was reported that underground miners in Schneeberg, Germany, suffered an unusually high incidence of fatal lung disease. In 1879, it was demonstrated both clinically and anatomically that about half of these miners were dying of lung cancer. This was a much higher incidence of lung cancer than that found in the general population. The same grim statistic 50 per cent mortality from lung cancer was later found among the miners in Joachimsthal, Czechoslovakia. The ores in question were particularly rich in uranium.

148. Florida Radon Program Overview radon. radon Program Overview. The DOH radon Program is part of the Bureau of Facility Programs in the Division of Environmental Health. http://www.doh.state.fl.us/environment/facility/radon/

About Us Environmental Health Epidemiology HIPAA ... Radon Radon Program Overview The DOH Radon Program is part of the Bureau of Facility Programs in the Division of Environmental Health. It was created by the State Legislature in 1988 to be a public resource for accurate information about radon, its health effects, how to test and how to fix radon problems. Our current legal description can be found on the Florida Legislatures web site in Florida Statute . A copy of our administrative code 64E-5 Parts X and XII (previously 10D-91) can be found in these pages. The Radon program was created with three primary missions: To educate and inform the public about radon and its health effects. To protect the public from deceptive radon measurement and mitigation practices by certifying radon professionals To administrate the state mandatory radon testing program of all State licensed, regulated, owned or operated 24 hour care facilities, Public and private schools grades K through 12, and State licensed day care centers The associated pages have a range of information from an overview of radon in Florida to ways of building to prevent radon entry . You will find a list of certified radon measurement and mitigation companies to provide you with radon related services or you may

149. Radon Physical data, chemical properties, health and environmental effects. http://www.lenntech.com/Periodic-chart-elements/Rn-en.htm

RADON Search : Contact us Chemical properties of radon Atomic number Atomic mass (222) g.mol Electronegativity according to Pauling unknown Density g.cm at 20°C Mellting point - 71 °C Boiling point - 62 °C Vanderwaals radius unknown Ionic radius unknown Isotopes Electronic shell [ Xe ] 4f Energy of first ionisation 1037 kJ.mol Discovered Fredrich Ernst Dorn in 1898 Health effects of radon Radon occurs in the environment mainly in the gaseous phase. Consequently, people are mainly exposed to radon through breathing air. Background levels of radon in outside air are generally quite low, but in indoor locations radon levels in air may be higher. In homes, schools and buildings radon levels are increased because radon enters the buildings through cracks in the foundations and basements. Some of the deep wells that supply us with drinking water may also contain radon. As a result a number of people may be exposed to radon through drinking water, as well as through breathing air. Radon levels in groundwater are fairly high, but usually radon is quickly released into air as soon as the groundwater enters surface waters. Exposure to high levels of radon through breathing air is known to cause lung diseases. When long-term exposure occurs radon increases the chances of developing lung cancer. Radon can only cause cancer after several years of exposure.

150. Home Suppliers of a range of equipment for radon and thoron gas monitoring, also radiation monitors and dosimeters. http://www.solo.kz/eng/home.htm

Dear colleagues! Welcome to our web-site. On this pages we have published information About our Company . Also in the Products you can find technical information and specifications on all the equipment that we are producing at the moment. In the Services we have listed work that we can perform for you. However if you will not find something you are looking for feel free to Contact with us and be sure that we will do all the best we can!

151. Radon: Environmental Health In Minnesota, Radon: Environmental Health In Minneso This web page provides information from the Minnesota Department of Health (MDH) on radon and how to protect your family s health. http://www.health.state.mn.us/divs/eh/indoorair/radon/

dqmcodebase = "http://www.health.state.mn.us/script/" Radon Radon in Homes Radon Testing Radon Contacts/ Testing Kits ... Radon Links More from MDH Radiation Air Quality Home Healthy Homes What's New Links ... Contact us Environmental Health Home Contact us Radon in Minnesota Homes The Minnesota Department of Health (MDH) provides information on radon and how to protect your family's health. The U.S. Surgeon General, the U.S. Environmental Protection Agency (EPA) and MDH recommend that every Minnesota home be tested for radon. Radon is not regulated in Minnesota, so it is up to homeowners to decide for themselves how much radon is acceptable in their home. The good new is, homeowners can act to lower the amount of radon in their home and reduce the risks to their family. On this page: Why is radon important? What is radon? How does radon enter a home? Major Radon Entry Routes ... Where can I get more information on radon or other indoor air quality issues? Why is radon important? Radon is the main source of ionizing radiation that most of us are exposed to. Ionizing radiation can harm the cells that make up our body's tissues and organs. The type of radiation that radon produces is mainly an internal hazard - it produces damage when it is gets into the body. The result of such damage is that radon causes cancer in humans.

152. Cincinnati Home Inspections Provides home inspections for structural and mechanical problems, radon and termites. http://www.cincinnatihomeinspections.com/

Cincinnati Home Inspections. Home inspections, performed by a friendly, congenial, whole house inspector. During our home inspection we endeavor to enlighten, not frighten, about your real estate investment.

153. Radon Web Page WYOMING radon PROJECT. Wyoming Department of Health. radon is a naturally occurring radioactive gas that is odorless, colorless and tasteless. http://wdh.state.wy.us/radon/

WYOMING RADON PROJECT Wyoming Department of Health Debi Nelson, Coordinator Hathaway Building, Room 486 Cheyenne, WY 82002 This page has been accessed times since 10/20/98. List of Qualified Radon Testers and Contractors in Wyoming Where to Obtain a Radon Test Kit or Information in Your County Radon in Water Factsheet Wyoming Radon Statistics

154. Integrated Environmental Management, Inc. - IEM - Radioactivity Basics (Radon) Informative primer on radon, its progeny, measurement and risks. Extensive information on radioactivity and radiation, exposure and risks. http://www.iem-inc.com/prrn.html

155. KY: CHS: Department For Public Health - KY Radon Gas Program Kentucky radon Program is involved in numerous education and awareness programs aimed at citizens throughout the Commonwealth. KY Cares Logo. radon Gas, http://chs.ky.gov/publichealth/radon.htm

KY Cabinet for Health Services Department for Public Health Ensuring the Health of Kentucky Public Health Home Page CHS Home Page Search CHS Sites News Releases Product Recalls Food Recalls Vital Records Data Reports Local Health Departments Data Surveys Training Calendar For other Kentucky Government sites visit: Radon Gas Radon Program 275 East Main Street Frankfort, KY 40621 The Kentucky Radon Program The Kentucky Radon Program is involved in numerous education and awareness programs aimed at citizens throughout the Commonwealth. These include displays, personal presentations, videos, and slide presentations, etc. A large portion of our contacts involve answering questions over the phone and mailing literature provided by the Environmental Protection Agency to citizens. The program also acts as liaison between the Environmental Protection Agency (EPA) and 14 county or district health departments and 2 universities which have mini-grants through us. The Cabinet's role as radon control agent - KRS 211.855

156. Cincinnati_Home_Inspections - Page: 1 Of 6 Provides home inspections, insect reports, and radon testing in the Cincinnati area. http://www.jminspect.com/cincinnati_home_inspections001.htm

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157. Nebraska HHS System: Radon Program radon Program. The Nebraska HHSS radon Program resistant techniques in new construction. The radon Program also cooperates with many partners. http://www.hhs.state.ne.us/puh/enh/Radon/radon.htm

Radon Program The Nebraska HHSS Radon Program ensures public health by increasing public awareness of radon and its health risks and by administration of a licensing program for radon measurement and mitigation businesses and individuals. The Radon Program participates in many activities to increase awareness, to encourage testing for radon and fixing of homes with elevated levels, and to promote implementing radon resistant techniques in new construction. The Radon Program also cooperates with many partners. Radon links General Information Nebraska HHSS Information Environmental Protection Agency (EPA) Radon Page EPA Radon Publications National Environmental Health Association (NEHA) ... Free Radon Testing Information Licensee Information Regulations and Application Forms Licensed Radon Measurement Businesses Licensed Radon Mitigation Businesses Schedule of Training Courses (MURC) ... Training Providers and Schedules Nebraska Radon Activities 2002-03 Radon Award Projects Radon Events and Workshops For more information The Nebraska Department of HHS Regulation and Licensure radon program can provide you with a list of companies offering radon measurement or mitigation services in Nebraska. Pamphlets, brochures, and other materials on radon are also available.

158. Radon - Periodni Sustav Elemenata Perioda 6. Godina otkrica 1900. Rn radon, SUSJEDI, 53 I. 54 Xe. 55 Cs. 85 At. 86 Rn. 87 Fr. radon je 1900. godine otkrio Friedrich Ernst Dorn (Njemacka). http://www.ktf-split.hr/periodni/rn.html

KTF-SPLIT EniG. Rjeènik Prilozi i tablice ... Linkovi My Software UREDNICI: Engleski Aditya Vardhan Eni Generaliæ Francuski Michel Ditria Hrvatski Eni Generaliæ Marija Bralic Slobodan Brinic Njemaèki Marc Hens Talijanski traži se urednik KEMIJSKO-TEHNOLOŠKI FAKULTET PERIODNI SUSTAV ELEMENATA A ... Perioda: Godina otkriæa: Rn Radon SUSJEDI I Xe Cs At ... Fr Radon je 1900. godine otkrio Friedrich Ernst Dorn (Njemaèka). Nastaje raspadom radija pa je po njemu i dobio ime. Prvotno je nazvan niton po latinskoj rijeèi nitens što znaèi sjajan. To je plin bez boje i mirisa. Radon je kemijski inertan, jednoatomni nezapaljivi plin. Ne spaja s drugim elementima izuzev s fluorom. Radon je radioaktivan, jako radiotoksièan i kancerogen ako se udiše. PLEMENITI PLIN Relativna atomska masa: Elektronska konfiguracija: [Xe] 4f Oksidacijski broj: Elektronegativnost: Toplinska vodljivost: W m K Atomski radijus: pm plin Gustoæa ( g dm (tekuæina, t.v.) (plin, 273 K) Molarni volumen ( cm mol (tekuæina, t.v.) (plin, 273 K) TOPLINSKA SVOJSTVA Temperatura taljenja: Toplina taljenja: kJ mol Temperatura vrenja: Toplina isparavanja: kJ mol Kritièna temperatura: Toplina atomiziranja: kJ mol ENERGIJA IONIZACIJE I RASPROSTRANJENOST 1. energija ionizacije:

159. Precision Home Inspection - Home Inspection Inspects homes, wells, and septic. Also provides water quality, and radon testing. Features cost, coverage, inspection reports. Includes Spanish translation. http://www.precisionhomeinspect.com/

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160. Radon - Vermont Department Of Health radon is a naturally occurring radioactive gas. radon crust. Over billions of years, uranium decays into radium, and eventually,radon. http://www.healthyvermonters.info/hp/rad/radon.shtml

A Fact Sheet on Radon SAFE WATER RESOURCE GUIDE INDOOR AIR QUALITY RESOURCE GUIDE OTHER RESOURCES RELATED TO RADIOLOGICAL CONTAMINANTS Contents What is radon gas? What are the health effects of exposure to radon in a home? How does radon enter a home? How do I test my home for radon? ... Where can I get more information? FREE RADON TEST KIT HOW TO ORDER What is radon gas? Radon is a naturally occurring radioactive gas. Radon has no color, odor or taste and results from the decay of uranium, which is a radioactive element found naturally in the earth’s crust. Over billions of years, uranium decays into radium, and eventually, radon. Unless you test for it, there is no way of knowing if radon is present in your home. RETURN TO CONTENTS What are the health effects of exposure to radon in a home? There are no known health effects connected with brief exposure to radon. However, over a lifetime, breathing air with too much radon increases a person’s risk of getting lung cancer. The risk is increased even more for a smoker exposed to radon. According to a report by the National Academy of Sciences, radon is estimated to cause between 15,000 and 22,000 lung cancer deaths per year. It is the second leading cause of lung cancer after smoking.

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