C-16-104 - Radon Meas & Mitig in Tropical Climates & Karst (CERTI-313 / NRPP 111)

This continuing education course deals with pressure driven entry of radon due to environmental factors found in structures constructed on karst or limestone formations as well as the effects very tight buildings within tropical regions.
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This continuing education course deals with pressure driven entry of radon due to environmental factors found in structures constructed on karst or limestone formations as well as the effects very tight buildings within tropical regions.

There is approximately 16 hours of coursework, including audio, video, publications, and quizzes that are taken as you progress through the course (not timed and may be taken unlimited times).  There is no time limit for taking the course, and even after completion you continue to have access to the course in order to refer back to resources.

CERTI students also have access to business tools such as sample contracts, and warranties.  We are also available by phone during and after the course for any questions concerning the course or radon situations you come across on the job.

Note: your name, email address and an indication of passage of this course may be shared with national or state certification agencies for verification of completion.

This course includes:

  • Audio and video clips
  • Downloadable Course Manual
  • Downloadable Resource Materials
  • Online Quizzes
  • Downloadable Course Certificate
  • 16 Category 1 CE Credits


  • Download/Streaming - No course materials will be shipped - everything you need is available to access and download online


Friday, 03 February 2023
Robert said: This course was very interesting on the actual physics of midigation.
Monday, 09 January 2023
David said: Great Course! Highly recommend it
Tuesday, 06 September 2022
Donna said:
Scott Siple
Thursday, 01 September 2022
Matthew said: Good Overall
Tuesday, 30 August 2022
Nick said:
James J Klug
Monday, 29 August 2022
David said:
troy austrins
Wednesday, 05 August 2020
James said: i found this information really helpful and enjoyed the presentation
Matt Larson
Monday, 28 January 2019
Lars said: I recommend this course 5/5
Scott Evans
Wednesday, 26 September 2018
Jorge said: CERTI has provided high quality courses in the past and currently. I will continue to use this website.
eric siegmeier
Tuesday, 25 September 2018
James said: I recommend this course 5/5
Thomas Hollingsworth
Wednesday, 06 December 2017
Ed said:
Rachel Saari
Thursday, 17 August 2017
Larry said: Very informative
Nolan Nicely
Wednesday, 21 June 2017
Gil said: I recommend this course
Wayne Platteter
Friday, 03 March 2017
Barry said: I would recommend this course
Terry Sherman
Thursday, 12 May 2016
Mark said: I would recommend this course
Mark Schnitzer
Saturday, 05 March 2016
David said: Another good CE as usual. Keep up the good work.
David Blaida
Thursday, 04 June 2015
John said:
John Badger
Monday, 25 May 2015
Randy said: I recommend this course
Randy Stortz
Saturday, 28 March 2015
Bryan said: Quality of the course was excellant.
Bryan Schwartz
Tuesday, 17 March 2015
Richard said: good course. Interesting to see the impact of the tropical location.
Richard Lloyd
Sunday, 15 March 2015
Terry said: I would recommend this course
Terry Brown
Saturday, 14 March 2015
Eddie said: I would recommend this course
Eddie Johnson
Tuesday, 24 February 2015
John said: I would recommend this course.
John Lugo
Monday, 26 May 2014
William said: I would recommend this course
Alan Ferguson
Monday, 17 March 2014
Damian said: Intetresting and maybe relevant to UP Michigan limestone areas & underground mining/mined areas.
Aaron Boyd
Monday, 23 September 2013
David said: I enjoyed the course. The information will be useful to my testing work in the Virginia area and the Shenandoah Valley. We have a substantial amount of Karst Ggeography in the area.
Wednesday, 31 July 2013
Joseph said: This course on Guam is very interesting (I work in the limestone areas along the Mississippi in Wisconsin snd Minnesota.)
Thursday, 23 May 2013
Carlos said: Excellent quality and very informative; I will recommend this course to the DoD radon program managers on Okinawa
Sunday, 12 May 2013
Leo said: The issues discussed can be translated to understanding radon problems in difficult to mitigate homes everywhwere else in the USA. Therefore, I recommend this CE course highly to any advanced radon mitigator to gain a better understanding of, and be better equipped with the knowledge how to recognize and solve, difficult radon problems he can likely find within his own work range.The course material is detailed yet feels like a breeze of fresh air in explaining complex issues in a practical way.
Wednesday, 22 August 2012
Derek said: Very informative and applicable
Sunday, 09 October 2011
Geoffrey said: The couse is accurate
Wednesday, 29 June 2011
Carl said: Very well designed and very informative
Sunday, 29 May 2011
Stephen said: EXCELLENT
Wednesday, 20 April 2011
Michael said: Great course, we work with Karst formations in many areas in the St Louis metro area. Very informative!
Friday, 11 March 2011
Philip said: Easy to use with very helpful information regarding atypical radon testing and mitigation strategies.
Tuesday, 01 February 2011
Bob J. said: best course yet
Thursday, 09 December 2010
Steven said: I really liked this presentation very good information.
Saturday, 25 September 2010
Jim said: Enjoyed course something different
Thursday, 23 September 2010
Richard said: Excellent course for any mitigator in any location.
Friday, 25 June 2010
Thomas R. said: Well Done
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