Illinois Advanced Radon Measurement Service Provider Course

Welcome to InterNACHI's free online Illinois Advanced Radon Measurement Service Provider Course.  

This online course is approved for both Illinois Home Inspector Continuing Education and Illinois Radon License Continuing Education. It is also approved for Initial Qualification credits towards an Illinois Radon Professional License. Click here to view the course's approvals on this page. For more information, visit the Illinois IEMA website
Some states regulate and certify providers of radon measurement and mitigation services. Contact your state for more information by visiting

Course Goal:

The goal of this course is to teach the student how to perform radon measurements.

Course Objectives:

Upon successful completion of this course, the student shall be able to:

  • describe the physics of radon;
  • describe the health effects of breathing radon;
  • list the ways radon enters a home;
  • describe the testing procedures for radon;
  • follow protocols in non-real estate transactions;
  • follow protocols in real estate transactions;
  • develop and follow a quality assurance plan and implement quality control procedures;
  • properly use passive devices;
  • properly use active devices;
  • test for radon in water and how to remove radon from water;
  • list different ways to approach radon mitigation in homes;
  • install effective mitigation systems in new homes;
  • install materials and follow procedures to build radon-resistant homes;
  • inspect radon mitigation system; and 
  • abide by a Code of Ethics.

The course includes:

  • 27 hours of Continuing Education from Illinois Emergency Management Agency (scroll down to see approval);  
  • 90,382 words;
  • numerous graphics, images, illustrations, and tables;
  • 119 quiz questions in 13 quizzes;
  • 120-question InterNACHI course exam (this is not NRPP's certification exam);
  • instant grading; and
  • a downloadable, printable Certificate of Completion.


Illinois Advanced Radon Measurement Service Provider Course

Course #4108



Estimated hours for the average student

Academic Engagement

Reading and studying online course instructional material at 140 words per minute


Taking quizzes


Taking exam


Performing a self-guided assigned research exercise 1.0
Submitting an academic written essay assignment and applicable digital image and contributing to an academic online discussion4.0




Studying & reviewing instructional material in preparation for taking quizzes and exam


Reading the downloaded student course book including taking the quizzes with the book
 Reading, research, and studying related to completing the research and writing assignment

Studying and preparing for inspection processes according to a Standards of Practice, including capturing and storing digital images with a camera or device, making observations, evaluating conditions, deducing, formulating opinions, communicating observations in written form, attaining competency in performing inspections and using an inspection checklist or software and other inspection tools in producing a report.10.0



Sub Total


Overall Total

70.0 hours / 1.5 SCH

Reminder to members:  InterNACHI's Code of Ethics1.10 requires that you comply with all government rules and licensing requirements of the jurisdiction where you conduct business.  InterNACHI's courses and Standards generally exceed the Standards of Practice that you are required to abide by locally.

Upon completion of this course and passing of the course exam, the student can download and print their own Certificate of Completion which is auto-generated in their own name. 

The student's (InterNACHI member's) information is recorded on InterNACHI's servers for membership compliance verification, and automatically logs completion into InterNACHI's online Continuing Education log.
Members will need their username and password.  If you have forgotten your password, CLICK HERE (instant response) or email and request it (don't forget your name). 
InterNACHI... #1 in inspection education. 

Archived Documents:

View 2019 approval of Illinois Advanced Radon Measurement Course. Elective. Course #454.000653. Expiration 12/31/2019.

View approval from Illinois Emergency Management Agency. Initial Qualification 27.0 credits towards Illinois Radon Professional License. Course ID: RNTC2014-09.

View approval from Illinois Emergency Management Agency. Continuing Education 27.0 credits towards Illinois Radon Professional License. Course ID: RNTC2014-09.

View approval of Illinois Advanced Radon Measurement Course. Elective. Class #454.000653. Expiration 12/31/2017.