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Principles of Vapor Mitigation Design and Installation


Course Code: EN0523CA20

Vapor Mitigation Fan

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Date & Time

This course has been postponed due to Rutgers University's social distancing policy related to COVID-19. A new date will be posted and the wait list will re-open as soon as possible.

April 7, 2020
9:00am - 4:30pm (Check in time: 8:30am)

*This course is sold out.


This program will provide a full spectrum look into current practices of vapor intrusion mitigation system design and installation. The program will begin with a solid foundation of system design and a theoretical framework for functionality. Furthermore, it will delve into practical mitigation strategies along with the shortcomings of adapting antiquated inefficient design to modern mitigation systems in both retrofit and new construction scenarios. Below is a course outline.

Program Topics:

  • What is vapor intrusion?
  • Existing building mitigation strategies
  • What is sub slab depressurization (SSD)?
  • The history of SSD
  • SSD design techniques
  • Mitigation system theory
  • SSD installation strategies
  • Mitigation fan selection and how to read fan curves
  • Vapor Intrusion Guidance documents for existing buildings
  • Reintroduction of SSD and radius of influence (ROI) theory
  • Introduction to new construction mitigation techniques
  • Factors that limit ROI in design
  • Extending ROIs in new construction
  • New Construction Guidance Documents
  • Passive vs. active systems
  • Vapor barrier selection
  • Comparison of existing building vs. new construction mitigation
  • Cost comparisons
  • Monitoring options

Faculty Coordinator:
Gunnar Barr, Obar Systems

Credits & Continuing Education Units

In addition to 0.65 Rutgers CEUs, this vapor intrustion training course is approved for the following credits:

NJ Health Officers & Registered Environmental Health Specialists: Rutgers University, NJAES, Office of Continuing Professional Education has been approved by the New Jersey Department of Health as a provider of NJ Public Health Continuing Education Contact Hours (CEs). Participants who complete this education program will be awarded 6.0 NJ Public Health Continuing Education Contact Hours (CEs).

NJ Licensed Site Remediation Professionals (LSRP): 6 Technical CECs

NJ Professional Engineers: 6.5 Continuing Professional Competency (CPC) credits

NY Professional Engineers: 6.5 PDHs (NOTE: This class may not be used to fulfill the land surveyors continuing education requirement in NYS.)

MA Hazardous Waste Site Cleanup Professionals: Pending

CT Licensed Environmental Professionals (LEPs): 6.5 CECs - Course No. CTLEP-499

Registration Fee



Multi-Person Registration Fee


Register at the same time with a colleague and you both save!

Cancellation Fee $60.00  

Substitutions are permitted. View cancellation policy.


Continental breakfast and deli buffet lunch will be provided to you at no additional cost.

NOTE: If you have any dietary restrictions or food allergies, please alert us at least one (1) week in advance of the course start date so that we can make reasonable accommodations. We cannot guarantee accommodations for special requests made after that time.


GPS systems may not recognize campus addresses. Even if they take you to the correct building, they will not take you to the assigned parking lot. Therefore, we strongly recommend that you use the directions we provide.

Ralph Geiger Turfgrass Education Center
20 Indyk-Engel Way, New Brunswick, NJ 08902
Directions and Parking Information

Note: Pre-registration is required. We're sorry, but we cannot guarantee a seat, materials or meals for walk-in registrants. Location is subject to change; registrants will be notified in the event of a change.


Sorry, registration is not currently available for this course.

Would you like to be notified when the next offering is scheduled? 
Here are 3 convenient ways to be added to our mailing list:
1. Click here to join our mailing list (please reference "Principles of Vapor Mitigation Design and Installation" or Course Code EN0523) 
2. Call us at 848-932-9271, select option 3
3. E-mail us at ocpe@njaes.rutgers.edu

Program Questions? Contact Us!

Program Coordinator: Pamela Springard-Mayer, 848-932-7463
Administrative Assistant: Jackie Findra, 848-932-7180