Welcome to the Association of Vapor Intrusion Professionals

AVIP is a community of professionals dedicated to advancing the industry and science of vapor intrusion. The purpose of this association is to promote the establishment of accepted and recognized best practices for vapor intrusion professionals, provide contextual knowledge, and serve as a resource of information for the general public.

Announcing the 3rd AVIP VI Conference - October 20-23, 2024 - Anaheim California

The Association of Vapor Intrusion Professionals to Host the 3rd Vapor Intrusion Conference October 20-23, 2024 at the JW Marriott Resort - Regulators, Attorneys and Consultants Working Together for Best Practices to provide Soil Gas Safe Communities

Call for Abstracts Register Today - Sponsorship Information - Exhibitor Information

Abstracts - Due May 31, 2024 - #AVIPCA24

Located in Orange County, CA, our AAA Four Diamond luxury hotel is designed to uplift the soul and enrich the body, mind and spirit. Discover elevated experiences around every corner, from Disneyland® Resort to Anaheim GardenWalk. We offer upscale social spaces and resort amenities, such as our JW Garden, yoga and zen room, fitness center and outdoor swimming pool. After savoring exemplary recipes at our signature restaurant, ascend to the rooftop bar for scenic views of Anaheim and fireworks on the horizon. 



The Benefits of Membership

  • Increased Visibility in the Industry 
  • Searchable Profile - "Find a Professional"
  • A Voice in standards of practice for federal and state regulations
  • VI Community 
  • Access to updated Regulations and Standards 
  • State and Local Government Contact Information for VI
  • Training
  • Certification
  • Search for VI Vendors/Suppliers
  • Discount on AVIP Conferences
  • Discount on All Training
  • Networking Events
  • Member Events
  • Locate a Member
  • Sign up for Alerts
  • Use of the Approved AVIP Logo Badge for Members and Sponsors
Join now!

What Is Vapor Intrusion?

Vapor intrusion occurs when there is a migration of vapor-forming chemicals from any subsurface source into an overlying building. Recognition of soil vapor intrusion to buildings and other enclosed spaces occurred in the 1980s with concerns over radon intrusion. Subsequently, there was an increasing awareness that anthropogenic chemicals (e.g., petroleum hydrocarbons and chlorinated solvents) in soil, groundwater, and sewers and drainlines could also pose threats to indoor air quality via the vapor intrusion pathway.

Vapor-forming chemicals may include:

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