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National Radon Proficiency Program (NRPP)
All CERTI courses have been approved by NRPP after careful development and review. Because of this, state programs also accept our courses (the only exceptions are where state protocols differ from the national protocols or a preference for classroom only courses). Please note that NRPP does not allow you to repeat courses.
National Radon Safety Board (NRSB)
List of courses approved by NRSB, click on NRSB Approved Courses
State Requirements and Course Approvals
All NRPP approved courses now accepted in Illinois..
All other states accept all CERTI Continuing Education Courses.
For a complete list for each state: List of State Requirements, Course Approvals and State Radon Fact Sheets.
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Codes and Standards Update for Installing Radon Reduction Systems in New Home Construction
C-2-101
This short course provides a concise summary and comparison of Appendix AF of the International Residential code modified in 2021 and the ANSI/AARST 2020 CCAH Standard. Although similar in intent there are some subtle differences that an installer of radon system needs to be aware of when quoting a project. This course consists of a video presentation with downloadable slides, a short quiz with feedback and links to both ANSI/AARST standards and ICC Appendix AF.
The above is a brief description of the course. For a more detailed description, please click anywhere within this course box.
Radon from a Physician’s Perspective
C-4-103This is a round table discussion by radon subject matter experts and Doctors of Osteopathy discussing the health effects of radon exposure and options for including advice and information to patients. The format includes audio instruction over a PowerPoint Presentation
This course has been deemed to have sufficient science-based content that continues to be relevant and not subject to expiration.
The above is a brief description of the course. For a more detailed description, please click anywhere within this course box.
Interviews with Radon Experts
C-4-104This audio-based home study course provides you with an easy-to-use format of recorded phone interviews with respected experts in the field providing valuable information and insight to the radon industry
This course has been deemed to have sufficient science-based content that continues to be relevant and not subject to expiration.
The above is a brief description of the course. For a more detailed description, please click anywhere within this course box.
Radon Control Methods
C-4-105Video based course designed to familiarize building code officials and radon mitigation approaches and aspects of Appendix F of the building code as it applies to radon resistant new construction. Updated in 2022.
The above is a brief description of the course. For a more detailed description, please click anywhere within this course box.
Addressing RDPs – Another Tool in the Tool Box
C-4-110This course explores from a practical standpoint how radon decay products are measured and how RDP reduction can enhance soil gas remediation by reducing radon risks to very low levels. NRPP approved for 4 educational CE credits, expands the radon measurement professional’s skills beyond testing residential structures to be able to take advantage of the expanding market of conducting surveys in large buildings such as schools and apartment buildings.This course prepares you to convey to the client why multiple locations need to be tested; be able to implement communication plans for occupants; and to understand special approaches to interpreting results to provide the best value to the client while shielding you from downstream liabilities.Recorded live classroom at the National Radon Conference in Vancouver in April, 2015 deals with all of these issues and more. It also provides sample notices, log sheets and other tools you will need to fully implement a large survey. You will be able to watch and listen to the lecture as well as benefit from the poignant questions posed by the live audience, consisting of radon professionals just like you.
This course has been deemed to have sufficient science-based content that continues to be relevant and not subject to expiration.
The above is a brief description of the course. For a more detailed description, please click anywhere within this course box.
Radon Response for Schools and Commercial Buildings
C-4-112This 4 hr CE course was a live webcast during the AARST 2020 Virtual International Radon Symposium. The recorded session includes questions and answers from attendees.
The above is a brief description of the course. For a more detailed description, please click anywhere within this course box.
Application of HRV/ERV’s for Radon Reduction
C-4-113This 4 hr CE course was a LIVE WEBCAST during the AARST 2020 Virtual International Radon Symposium. This will give you the confidence to recommend a ventilation strategy when appropriate while providing the customer with meaningful estimates of the expected radon reduction.
The above is a brief description of the course. For a more detailed description, please click anywhere within this course box.
Device Specific Training for E-Perms
C-4-115A comprehensive program describing the proper use of Electret Ion Chambers as manufactured by Rad Elec. The course consists of a video available online, a course manual describing key operational features of the EPERM system, as well as an opportunity to test your knowledge and skills in calculating results via online questions. This course provides the required educational component of the Rad Elec Manufacturer Certification Program.
This course has been deemed to have sufficient science-based content that continues to be relevant and not subject to expiration.
The above is a brief description of the course. For a more detailed description, please click anywhere within this course box.
ANSI/AARST Measurement Standard Review
C-4-116As of 2023, the National Radon Proficiency Program amended its policy regarding the renewal of its base radon measurement and mitigation certifications to require a four-hour review of the ANSI/AARST standards relevant to a specific certification. This course provides that review via a series of quiz questions with detailed explanations and citation of relevant sections of the standards.
To complete this course students access the ANSI/AARST standard, familiarize themselves with the standard and complete the validation quizzes consisting of 80 questions.
The above is a brief description of the course. For a more detailed description, please click anywhere within this course box.
ANSI/AARST Mitigation Standards Review
C-4-117This course provides an ANSI/AARST standards review via a series of quiz questions with detailed explanations and citation of relevant sections of the standards.
The above is a brief description of the course. For a more detailed description, please click anywhere within this course box.
Controlling Radon Decay Products – Too Complicated or a Silver Bullet
C-4-118This course explores, from a practical standpoint, how radon decay products are measured and how RDP reduction can enhance soil gas remediation by reducing radon risks to very low levels. This course is approved for both U.S. (NRPP & NRSB) and Canada Continuing Education for Measurement and Mitigation Professionals
This course has been deemed to have sufficient science-based content that continues to be relevant and not subject to expiration.
The above is a brief description of the course. For a more detailed description, please click anywhere within this course box.
Conducting Radon Surveys in Schools
C-6-100This course provides both the radon professional or a facility environmental manager the skills to plan, conduct and or evaluate a radon survey in a school. It also details the reasons radon can be a problem within a school such that often simple solutions can be found. Applies to schools and commercial buildings.
Note for Iowa Students: This course contains an additional module for Iowa regulatory requirements. Completing the base course plus the Iowa specific module will yield a certificate acceptable to the State of Iowa for individuals to conduct radon surveys in their own school.
The above is a brief description of the course. For a more detailed description, please click anywhere within this course box.
RRNC Practices – An Industry Discussion
C-8-101An industry discussion of current practices and alternatives to the installation of radon control techniques in building construction. Recorded in conjunction with EPA Region 8 Stakeholder’s Meeting. Update Supplement in 2022.
The above is a brief description of the course. For a more detailed description, please click anywhere within this course box.
Health Perspectives for Promoting RRNC
C-8-102A classic presentation delivered by US EPA, CERTI’s Technical Advisor and Dr. Bill Fields a well respected radon epidemiologist that provides a health related reason for adopting radon control techniques in new building construction. Includes a 2022 Code/Standard update.
The above is a brief description of the course. For a more detailed description, please click anywhere within this course box.
Design and Installation of Rn/Soil Gas Collection in New Bldg
C-8-104This course provides an in-depth discussion in the design and installation of radon mitigation systems and soil gas collection systems in new building construction. Includes a 2022 Code/Standard update.
The above is a brief description of the course. For a more detailed description, please click anywhere within this course box.
Technical Review of Rn MMT and MIT Techniques for Rn Professionals
C-8-106CERTI is pleased to present this new course covering technical aspects of radon measurement and mitigation for residential buildings, schools and commercial buildings. Encompassing techniques for fixing existing structures and design parameters for the incorporation of radon control systems during the construction of homes and large buildings.
The above is a brief description of the course. For a more detailed description, please click anywhere within this course box.
Incorporation of Rn Control Techniques in New Construction – 2020
C-8-107This course revolves around a recording of a March 2020 webcast attended by members of several building departments and public health agencies. You will be able to view and benefit from the live audience questions. During the video you will hear the presentation and see the graphics as well as follow along and take notes on a downloadable guide for all of the slides presented.
The above is a brief description of the course. For a more detailed description, please click anywhere within this course box.
Radon Challenges – Gnarly Tales from the Field – Part II
C-8-108CERTI 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
This course has been deemed to have sufficient science-based content that continues to be relevant and not subject to expiration.
The above is a brief description of the course. For a more detailed description, please click anywhere within this course box.
Radon Entry and Measurement in Tropical Climates and Karst
C-12-102This 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 of very tight buildings within tropical regions. Although set in a tropical setting, this course has application to anywhere one finds highly permeable soils and Karst such as the Southeastern portion of the U.S. and the mountainous areas
This course has been deemed to have sufficient science-based content that continues to be relevant and not subject to expiration.
The above is a brief description of the course. For a more detailed description, please click anywhere within this course box.
Advanced Rn Measurements for Multi-Family and other Large Bldgs
C-12-103Students taking this course will learn about the different approaches for testing apartment buildings, as well as, the additional complexity involved with working with tenants as well as clients. Using both US EPA protocols and the newly created AARST Multi-Family Measurement protocols, students completing this course will have the tools to expand their radon measurement into this growing segment of the radon industry.
The above is a brief description of the course. For a more detailed description, please click anywhere within this course box.
Radon Mitigation Technology
C-16-103A thorough review of radon mitigation technology including active soil depressurization, ventilation approaches and guidance for those difficult to mitigate situations. Audio downloadable on MP3 player for convenient listening and online review questions and certificate generation. This version has a smaller question set and is approved for 16 credit hours and is appropriate for individuals needing 16 credit hours to renew their NEHA-NRPP mitigation certification.
The above is a brief description of the course. For a more detailed description, please click anywhere within this course box.
Radon Measurement and Mitigation in Tropical Climates and Karst
C-16-104This 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. Although set in a tropical setting, this course has application to anywhere one finds highly permeable soils and Karst such as the Southeastern portion of the U.S. and the mountainous areas.
This course has been deemed to have sufficient science-based content that continues to be relevant and not subject to expiration.
The above is a brief description of the course. For a more detailed description, please click anywhere within this course box.
Basis for Promoting Radon Reduction
C-16-105This program provides a comprehensive review of the “Why’s” and “How-To’s” of radon control techniques in new and existing homes.These video based presentations were presented by the nation’s leading experts on radon health risk, mitigation techniques as well as legal aspects and social marketing strategies.The completeness of this program delivered jointly by NEHA and the US EPA, makes it applicable to environmental health professionals, building officials, architects, builders as well as radon professionals.
The above is a brief description of the course. For a more detailed description, please click anywhere within this course box.
Review of Entry Level Measurement
C-16-107A review of the entry level measurement course providing you with a great review of topics ranging from the physics of radon all the way through the different types of testing devices and some valuable business perspectives for radon professionals. 16 CE credits. Update of ANSI/AARST Standards included.
The above is a brief description of the course. For a more detailed description, please click anywhere within this course box.
Addressing Rn in Daycare Facilities, Schools and Lg Bldgs
C-16-108This course takes radon testing to the next logical step in developing a considered approach to addressing radon concerns that have been identified during a building survey. Whether a survey involves a daycare facility, a school, or an administrative building, there is often a need, as dictated by the availability of resources versus the severity of the problem, to have a plan of attack
This course has been deemed to have sufficient science-based content that continues to be relevant and not subject to expiration.
The above is a brief description of the course. For a more detailed description, please click anywhere within this course box.
Radon Challenges – Gnarly Tales from the Field
C-16-109This course explores techniques for going a little deeper in interpreting measurements as well as how to mitigate those tough houses with inaccessible crawlspaces, buried return ducts, and other crazy construction practices that make our lives interesting. We delve into these topics using real life case studies that have happy endings. These are more than a series of Fractured Fairy Tales. We explore a process for assessing unique situations you can use in the future. This course is designed for both the seasoned professional who has seen a thing or two and the novice who will eventually encounter these types of situations
This course has been deemed to have sufficient science-based content that continues to be relevant and not subject to expiration.
The above is a brief description of the course. For a more detailed description, please click anywhere within this course box.
Presenting Radon Programs
C-16-111
Whether you are a radon professional or an environmental health professional there is a common need to provide accurate and constructive information about radon. This course is designed to assist individuals in delivering radon programs to a host of audiences from real estate professionals to builders and ultimately to the consumer. The course is based upon many years of experience that CERTI has had in assisting State Radon Programs in public outreach efforts and recognizing what has worked and what has not.
The above is a brief description of the course. For a more detailed description, please click anywhere within this course box.
Radon Mitigation Fundamentals
C-16-112Radon can be reduced to within US EPA guidance levels within any home. This book clearly explains how this can be done. Proven methods used by professional mitigators are detailed in this easy to understand manual.
The above is a brief description of the course. For a more detailed description, please click anywhere within this course box.
Radon Mitigation Technology
C-24-102The above is a brief description of the course. For a more detailed description, please click anywhere within this course box.
Review of Entry Level Measurement
C-24-103A review of the entry level measurement course providing you with a great review of topics ranging from the physics of radon all the way through the different types of testing devices and some valuable business perspectives for radon professionals. 24 CE credits for those individuals with two certifications.
The above is a brief description of the course. For a more detailed description, please click anywhere within this course box.