C-8-108 - Radon Challenges Episode II - Gnarly Tales from the Field - Part II (CERTI--8000)

CERTI is pleased to present PART 2 to Gnarly Tales one of our most popular courses for both measurement and mitigation professionals. Recorded at the 2022 AARST conference - an excellent course for learning how to deal with difficult situations.
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For those that enjoyed CERTI’s original Gnarly Tales the good news is that the series continues.  The bad news is that more weird and challenging situations continue to arise as measurement and mitigation professionals address radon in more and different situations.  This course delves into challenging situations that have been encountered and how they have been identified, diagnosed and successfully mitigated.  Included are cases where HVAC systems, weather, permeable soils, tight soils, complex foundations and other surprises have presented challenges requiring more in-depth investigations beyond simple “poke and hope” approaches.  The course is taught with the assistance of experienced radon professionals presenting real world cases-with solutions!  

Course Includes:

  • Video Recordings of Classroom Presentation at 2022 AARST Conference
  • Online Quiz
  • Resources
  • Downloadable Course Certificate
  • 8 CE Credits  (Category 1)


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


Thursday, 23 March 2023
Sue said: I love the Gnarly Tales courses--please make a Part 3!
Lee Eyler
Saturday, 18 March 2023
Cody said: A good shake-up to standard CE topics and interesting to learn about some of the challenging situations.
Thursday, 16 March 2023
Nick said: Good course.
Wednesday, 15 March 2023
Cole said: Course was great.
Thursday, 09 March 2023
Shane said: Very informative.
Fedor Cardozo
Thursday, 09 March 2023
Joseph said: Excellent course.
Wednesday, 08 March 2023
Eric said:
Kimber Pucci
Thursday, 02 March 2023
George said:
Tuesday, 28 February 2023
Stephen said: I needed this review! I don't utilize diagnostics enough and I will be more going forward.
Kelly Harrelson
Monday, 27 February 2023
Jake said: It was very interesting. Learned a lot
Diane Goeser
Monday, 27 February 2023
Mike said: Well designed and very informative
Terry R. Wright
Sunday, 26 February 2023
Evan said: Good class.
Saturday, 25 February 2023
Chad said: I found the information very useful
Friday, 24 February 2023
William said: Insightful
Lance Hardy
Thursday, 23 February 2023
Ernie said: Good
Michel Deschamps
Wednesday, 22 February 2023
Steven said: Great job as always.
Ryan Stinson
Thursday, 16 February 2023
Ricardo said:
Kristin Hull
Thursday, 16 February 2023
David said: The speakers on the videos were very clear to understand the concept they shared - good class participation.
Bob Matthews
Thursday, 16 February 2023
James said: interesting
Sunday, 12 February 2023
Marcella said: One of the most interesting online courses I have taken
Kedge Stokke
Thursday, 09 February 2023
Willem said: Great course that I would recommend to any mitigator.
Brian C Krantz
Wednesday, 08 February 2023
Chris said: Good content.
Andrew Schnell
Sunday, 05 February 2023
Charles said: Nice presentation
Friday, 03 February 2023
Lonnie said: Good info
Kenith Kwan kin Lau
Wednesday, 01 February 2023
Thomas said: The course was fine
Wednesday, 01 February 2023
Mark said: Video presentation and topics were excellent
James Weidner
Monday, 30 January 2023
Boone said:
Jay Satcher
Saturday, 28 January 2023
Bill said: Good info
Dave Jackson
Monday, 23 January 2023
Mark said: Interesting content
Tom Bormann
Sunday, 22 January 2023
Michael said: excellent presentation guest speakers were very knowlegable
Jim Mayrand Jr
Wednesday, 18 January 2023
Mike said: This was a well designed course and the instructors were well trained.
Steven Durrant
Friday, 13 January 2023
ricky said: good review
Tuesday, 10 January 2023
Doug said:
Tuesday, 10 January 2023
Jordan said: I always enjoy the CERTI courses. The information is more relevant to day to day mitigation. Quizes are designed to test for understanding rather then trip-up the test taker.
Katherine Corbin
Monday, 09 January 2023
Jack said:
William Bausman
Thursday, 05 January 2023
John said: Great course. The almost 3 hours on diagnostics was some of the best information I have seen.
Tuesday, 03 January 2023
Lucas said:
Justin Hofman
Tuesday, 03 January 2023
Michael said: The course is what I expected and have used you service several times
Rolf Lange
Saturday, 31 December 2022
Scott said:
Saturday, 31 December 2022
Brian said: Wonderful course
Josh James
Thursday, 29 December 2022
Bradley said: Very good
Jonathan Oliver
Thursday, 29 December 2022
Daniel said: Speakers were very knowledgeable
Forrest A. Lines
Thursday, 29 December 2022
Kevin said: Great class
Wednesday, 28 December 2022
MICHAEL said: Well Done
Dain Standfast
Tuesday, 27 December 2022
Jim said: Very Good
Lynda King
Tuesday, 27 December 2022
Josh said: Very well done, thought provoking and interactive
Monday, 26 December 2022
Thomas said: very good stuff like always
Thomas R. Stephenson
Thursday, 01 December 2022
Thomas said:
Sunday, 20 November 2022
Bill said: .
Matthew Kopko
Saturday, 19 November 2022
Mike said: found it very informative
Ken Vigil