Radon Measurement Professional Initial Training Course

Welcome to InterNACHI's free, online "Radon Measurement Professional Initial Training Course." This course is provided by our accredited college at internachi.edu

Take the free online course now.

This free online course is approved by NRPP and IAC2 for initial and CE credit. To become an NRPP Certified Radon Measurement Professional, you have to complete an approved course, pass the NRPP exam, and complete the NRPP application. Visit NRPP for details. View the approval


This course's goal is to train the student to become a certified radon measurement professional. Upon completion, the student will be eligible to take the NRPP Measurement Professional Certification Exam.


After completing this course, the student will be able to:

  • Communicate with the client.
  • Communicate basic radon science.
  • Evaluate the test site.
  • Conduct and validate measurement data.
  • Perform a radon test. 
  • Keep records.
  • Report findings and make recommendations.
  • Manage a quality assurance & quality control program.
  • Oversee and train measurement technicians.

Course includes:

  • 16.0 InterNACHI® CE credit hours
  • 62,280 words
  • 108 quiz questions in 14 quizzes
  • 100-question final exam
  • instant grading
  • downloadable, printable certificate of completion

You'll learn the following topics:

Communicate with the Client

  • communicate basic radon risks
  • explain required test protocols
  • describe the testing procedures for radon

Communicate Basic Radon Science

  • communicate health risks
  • describe the health effects of breathing radon
  • describe the physics of radon
  • communicate radon entry behavior
  • list the ways radon enters a home
  • recommend a testing approach

Evaluate the Test Site

  • determine the appropriate test protocol
  • recognize factors that could impact test results
  • inspect an existing mitigation system

Conduct and Validate Measurement Data

  • select appropriate test devices
  • assess radon measurement data
  • interpret site data

Perform a Radon Test

  • determine proper device placement locations
  • execute field quality control measures
  • follow protocols in real estate and non-real estate transactions
  • properly use passive and active devices

Keep Records

  • record radon test data
  • record site data necessary for test interpretation

Report Findings and Make Recommendations

  • prepare a proper test report
  • make follow-up recommendations
  • report site factors affecting radon test results

Manage a Quality Assurance & Quality Control Program

  • develop a quality assurance plan and a Standards of Practice
  • executive a quality assurance plan

Oversee and Train Measurement Technicians

  • determine work exposure
  • provide technician oversight

Operate in an Ethical & Professional Manner

  • comply with protocols and standards
  • observe ethical work practices
  • abide by a code of ethics
Radon Measurement Professional Initial Training Course
Course #4112, Student Catalog

Student WorkTime CalculationEstimated Clock Hour Time for the Average Student
Attendance for "Seat Time" 1# of minutes of student attendance / 5016.0
Participation in Learning Activities 2# of minutes of online student participation / 500.5
Interactivity 3# of minutes of student interactivity / 500.5
Reading the Course Text 4# of words in the course / 100 words per minute / 5010.0
Reading the Course Textbook 5# of words in the book / 100 words per minute / 502.0
Academic Engagement 6# of words in the course / 100 / 501.0
Direct Communication 7# of minutes of communication / 500.5
Instructional Video Learning 8# of minutes of video / 500.0
Reinforcement Q & A  9# of questions X 1.85 / 501.5
Writing Assignment of the Inspection  104.0 hours per assignment0.0
Writing Assignment of the Research  114.0 hours per assignment0.0
Academic Activities for an Inspection  128.0 hours for each inspection assignment0.0
Performing an Inspection  138.0 hours for each inspection0.0
* nachi.org/catalog-credit-hour-calculation
Total clock hours
16.0 clock hours
16.0 InterNACHI CE Hours
1.6 CEU