| Abrams Radon Mitigation Services: Radon mitigation and testing company serving Indiana. Residential and commercial. |
| Aegis Radon: Provides a complete range of radon-related services in the St. Louis Metropolitan area, measurement, mitigation, education and consultation, to protect health and property values. |
| Air Quality Control Agency: Provides radon reduction and testing services in most of Michigan. Free estimates and same day service. |
| AirChek Radon Test Kits: Radon test kits widely used by homeowners for testing air, water and open land. Radon Information Center. Radon levels by state based on actual test results. Extensive radon links. |
| Associated Radon Services: Radon testing, measurement and reduction programs for all size facilities, including apartments and commercial properties. Radon risk and liability consultants. Located in Florida. |
| Benner GeoTech: Radon mitigation services for the Baltimore/Washington, DC area. |
| Consumer's Guide to Radon Reduction: US EPA online publication on methods for reducing radon levels in homes. |
| EPA: Radon Mitigation Standards (RMS): EPA Publication (1994) provides uniform design and installation standards to radon mitigation contractors for residential buildings three stories or less in height. |
| EPA: Radon Resistant New Construction: Radon information plus testing homes for radon, reducing elevated levels when they are found, and building new homes with radon-resistant features. |
| Gemmill Labs: Professional radon certification training and education, radon instrument calibration, nuclear science and radon consulting services. |
| Heratech: Provides environmental testing and abatement services in New Jersey, including radon, lead and water testing. |
| Infiltec Radon Mitigation Supplies: Helping do-it-yourselfers and builders solve radon problems. Sell radon fans, piping, and test kits. Provide phone assistance. |
| National Radon Safety Board: Providing independent certification, approval and accreditation for radon testers, mitigators, measurement devices, calibration chambers and radon laboratories. |
| National Safety Products: Charcoal canister radon test kits. Information and maps. Every year, thousands of families are torn apart by the harmful effects of radon. |
| NEHA - National Radon Proficiency Program: Nationwide list of certified radon measurement or mitigation professionals. Administers the national certification program. |
| New England Radon Control - VT & NH: NERC handles all aspects of mitigation from inspection, system design, installation, and post mitigating testing. Mitigated hundreds of homes in the Northeast since 1994. |
| Protech Environmental Services: Maps, links, practical info on environmental issues from Michigan's largest and oldest radon & lead company. Radon testing and fixing, primarily in the context of a home sale. |
| Pylon Electronics Nuclear Instruments: Canadian designer and manufacturer of radon and thoron measurement systems, sources and standards. |
| Rad Elec - EPERM Detectors: Manufactures Passive Integrating Electret Ionization Chambers for measuring ionizing radiation (alpha, beta, gamma, neutrons) and radioactive gases (radon, thoron). Mainly for professionals. |
| Radalink Telemonitor: Manufactures a continuous radon monitor for professionals. Uses pulsed ion detectors to count alpha particles. Training for inspectors. Testing network includes thousands of inspectors in the US. |
| Radon America: Design, install and certify radon removal systems. Supplies, wholesale and retail. Iowa-based. |
| Radon Environmental Services of Indiana: Indiana certified radon testing and mitigation contractor. Fixing radon problems in Indiana homes and businesses since 1988. |
| Radon Home Measurement and Mitigation: Provides radon testing and mitigation in indoor air and water in Front Range Rocky Mountains area. NEHA certified. Photos of common and alternative mitigation systems. |
| Radon Mitigation Services, Inc.: Radon mitigation contractors of residential and commercial properties in Florida. US EPA Listed, NEHA Certified, Florida State Certified. Information on radon and mitigation methods, related links. |
| Radon Mitigation Solutions: Provides radon testing and mitigation services in upstate SC, Western NC and Northeast GA. |
| Radon Specialties: A radon mitigation company serving Cincinnati,Oh.& N.Kentucky since 1987. Site contains various pictures of installed radon systems. Flash and Sound. |
| Radon Supplies NA: Distributor and manufacturer of radon mitigation supplies, fans, pipe accessories. |
| Radon Testing & Mitigation Supplies: Supplies for existing homes,commercial buildings and new construction featuring the KTA-150 low voltage system and Soil Gas Collector Mat. |
| Radon World.com: Offers EPA-approved test kits from REM for air or water. Information on radon gas and its heath risks, radon testing and removal from homes. |
| RadonSeal: Provides waterproofing, radon mitigation and mold remediation. |
| RadonZone.com: Resource for radon information and EPA-approved testing devices. |
| Rock-Well Environmental, Inc.: Radon testing and mitigation systems in New Jersey. |
| Safe Home Products: Sells digital plug-in radon detector with an audible buzzer warning for continuous monitoring of homes. Provides 7-day and long-term radon readings. |
| Stirling Technology, Inc: Produces energy recovery ventilators that may provide the level of remediation needed to mitigate a radon problem in the home. |
| VSI Environmental: One of Illinois largest radon reduction contractors. Find radon testers in Illinois and Wisconsin. Get EPA information on radon testing and mitigation. |
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