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Thursday, 08 February 2018 Register Now

Overview and Regulatory Updates

What is the vapor intrusion pathway?
Why is it getting so much attention?
What are the latest EPA and State regulatory updates?

Vapor intrusion has continued to be the environmental box-office blockbuster in 2018. EPA-OSWER & EPA-OUST released new guidance documents in 2015 with even tighter requirements, 39 States have released their own guidances, and the ASTM vapor intrusion standard was re-released in June 2010. The primary ramification of all these guidances is that more and more sites will require assessment of the vapor intrusion pathway. Assessment of the pathway is complicated due to inconsistent and contradictory regulations, ultra-low screening levels, inexperience throughout the environmental community, and legal liability.

This webinar will cover the basics of the vapor intrusion pathway and the current state of all the regulations, including the very-hot short-term trichloroethylene issue. The webinar will also cover ramifications of the new ASTM Phase 1 Standard relating to the vapor encroachment condition in Phase 1 assessments.


  • What is Vapor Intrusion?
  • Why and when are we concerned about the pathway?
  • Why is vapor intrusion a concern at so many sites.
  • What are the latest EPA guidances and regulations?
  • What are the latest State guidances?
  • What are the latest ASTM standards regarding the need to assess this pathway?


  • Attendees new to vapor intrusion will get a solid introduction to the topic.
  • Attendees new to vapor intrusion will get a detailed understanding of the most current regulations.
  • Attendees already familiar with vapor intrusion will get a detailed understanding of the most current regulations.
  • Attendees involved with phase 1 transactions will learn of the latest ASTM standards regarding this pathway.

This webinar is the first of a two-part series on Vapor Intrusion.
Although both webinars are designed to complement each other
they can also be viewed independently.

Schedule: Thursday, 08 February, 2018

11am (Pacific)
12 noon (Mountain)
1pm (Central)
2pm (Eastern)

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Fee: 299.00 USD Per Computer Site (unlimited participants per site)

249.00 USD Per Computer Site for our Members

199.00 USD Per Computer Site (unlimited participants per site)
when Members also register for the following Webinar:

(discount will be applied during checkout when both are in your cart)

Pay one site registration fee and an unlimited number of participants from your organization can attend at that site.

Instructors: Blayne Hartman, Ph.D.
Handouts: Copy of Webinar Slides (pdf)
Record of Attendance Form (pdf)
Duration: 1.0 hour plus Q&A
(no restrictions on time limit for extra Q&A!)
Earn 1.0 Professional Development Hours (1.0 PDH)

A Record of Attendance Form is included free with each webinar for your record keeping and individual PDH verification. We ask your on-site coordinator to return the completed and signed copy of the Form to us following the webinar for (1) maintaining a separate copy as a service to attendees and (2) forwarding to NIU confirming attendance for those who order certificates.

Attendees may also order an official a Course Completion Certificate from Northern Illinois University for a small administrative fee. The Certificate is optional and may be ordered separately following the webinar to confirm your attendance and showcase the certificate on your office wall. Instructions for ordering certificates are given during the webinar.

* This webinar is eligible for the 'BUY THREE, GET THREE' discount; however ANY webinar series discount shown above cannot be combined with it.

Attendees will be invited to actively participate during this live and interactive on-line web seminar. Discussion is planned following the webinar for those who want to continue the session. Bring your questions to the webinar and present them to the instructor and other participants for exploring the best solution.

Instructors Bio

Blayne Hartman, Ph.D.

Blayne Hartman received his Ph.D. in geochemistry from the University of Southern California in 1983. He worked for Unocal (Union Oil Company) for 4 years specializing in surface geochemical methods for petroleum exploration. In 1988 he stated his own company (TEG) initially providing geochemical exploration services to the oil industry and in 1989 entered the environmental market by offering certified mobile environmental laboratory services in California. In 1998, he co- founded & operated H&P Mobile GeoChemistry, a partnership offering on-site laboratory analysis, direct push environmental sampling, and soil vapor surveys. He sold H&P in 2008 and is currently an independent consultant offering vapor intrusion, soil gas and analytical support. Dr. Hartman has over 30 years of soil gas experience and 19 years of vapor intrusion experience.

Dr. Hartman is an internationally-recognized expert on soil vapor sampling, soil vapor analysis, and vapor intrusion. He has provided training on soil gas methods and vapor intrusion to County and State regulatory agencies in over 30 states, many of the EPA regions, the DOD, ASTSWMO, and numerous stakeholder groups and consultants. He was an instructor in the EPA-OUST training, ITRC vapor intrusion training, API petroleum vapor intrusion training and ASTM vapor intrusion courses and has given vapor intrusion training in England, Australia and Brazil.

Blayne has written numerous articles on the collection, analysis, and interpretation of soil vapor data, including chapters in five textbooks. He has participated in technical work groups on soil vapor methods for EPA, CA-EPA, CA Regional Water Boards, County of San Diego, ITRC and ASTM, and has reviewed/edited instructional manuals for the EPA OUST and Superfund groups. Over the past four years, Dr. Hartman has been a contributing author/editor to vapor intrusion and soil gas guidance documents to federal EPA, CA-EPA, San Diego County, ITRC, DOD, API, and more than 25 individual State documents.

He has been involved with six research studies with EPA-ORD on soil gas methods, soil gas temporal variations and indoor air variations in 2012, 2011, 2010, 2009, 2008, & 2007.

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