Supporting the Radon Industry with Quality Educational Programs Since 1986 

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Doug Kladder's blog

Audio: EPA Radon Experience

Mr. Bill Long, the Radon Branch Chief and Mr. Lou Witt the Radon Team Leader both with the U.S. EPA’s Office of Radiation and Indoor Air share their perspective regarding the impact of the economy on the radon program and their goals for the coming fiscal year.

Video: WHO Handbook

On September 21, 2009 the World health organization released its handbook on Indoor radon, which was the culmination of several years of consensus building including 35 participating countries.

Audio: President's Cancer Panel

In this interview Dr. Field relates details of the presentation, the reaction of the panel, and where this might take the radon issue within the context of the nation’s cancer program.

Audio: Radon & Air Cleaners

Due to a number of calls regarding the use of air cleaning devices, we have been asked to post an interview with Dr. Philip Hopke that we conducted as a part of one our distance based courses.

Audio: Radon and Granite Counter Tops

A July 24, 2008 article in the New York Times certainly caused a great deal of concern regarding the safety of granite counter tops The concern being the potential hazard associated with these building materials containing natural occurring radioactive elements that could increase indoor radon levels or expose occupants to gamma radiation.

Audio: Insurance Considerations

Insurance coverage is often a topic of concern for individuals in the radon measurement and mitigation sector. The information provided by Dave Reitan is valuable for those starting their business, as well as for individuals expanding their businesses to performing larger projects.

Audio: Vapor Intrusion

As many mitigation contractors have discoverred, active soil depressurization systems that draw radon out of the soil can also draw other gasses that can otherwise enter a home or commercial building.

Audio: Radon & Ohio Schools

The State of Ohio now requires that all schools be tested for radon. This requirement was included in larger legislation (referred to as Jarod's Law) designed to inspect for and improve safety in schools.

Audio: Lung Cancer Study

A recent epidemiological study, conducted by Dr. Donald Nelson and his colleagues at Worcester Polytechnic Institute suggested that the risk of radon at exposures less than 4.0 pCi/L may not agree with the assumption of a linear-no-threshold model.

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What’s New?

Attention Students!! Great News!

We are in the process of updating our site to provide you better access to resources and courses. We think you will be pleased with the upcoming changes.
Unfortunately, to make this happen the site will be down as follows:  Midnight Sun Sep 21 - Midnight Sun Sep 28

In the meantime, if you need access to coursework during that time frame (audio, video, or course manuals) you can download those files directly to your computer ahead of time and access them locally.

Please let us know if you have any concerns or needs about this or any other aspect of your coursework. We will be happy to assist you.

800-513-8332 - Mon-Fri - 7:30AM-4:30PM (Mtn Time) / Doug Kladder - / Denise Brown -




Feb 2013 the U.S. Department of Housing and Urban Development announced a policy for the identification of and mitigation of radon in FHA Multifamily mortgage applications – CERTI course Conducting Surveys in Schools and Large Buildings covers the unique aspects of large building surveys and includes numerous resources to help you conduct these surveys as well as an explanation and copy of the AARST Protocols which are to be followed as a part of the HUD requirements.  - Preview of Course

More information on the HUD Policy  - An audio interview with Peter Hendrick, Executive Director of AARST and Shawn Price, President of AARST


Now Available - Canada Entry Level Radon Measurement and Mitigation Courses
Recently updated to comply with Health Canada Protocols (Feb 2013)

All CERTI CE Courses approved for Canada (CNRPP)




ALL CERTI Courses Now Accepted by PA -
As of July 1, 2012 the state of Pennsylvania now accepts ALL CERTI entry level and CE Courses!


New 8 CE Course Approved and Ready!

Design and Installation of Radon and Soil Gas Collection Systems in New Building Construction
Recorded at the 2012 Region 8 Stakeholders Meeting