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TCE Vapor Intrusion: State of the Science, Regulations, & Technical Options Workshop

Tuesday, April 14, 2015
UMass Lowell Inn and Conference Center
50 Warren Street
Lowell, MA

Agenda for UMass Lowell Inn and Conference Center, April 14, 2015.

?9:00      Registration & continental breakfast

9:30      Welcome & Introductions
              Jennifer Griffith, NEWMOA & Eric Suuberg, Brown University

9:45      TCE Basics
              Professor Kim Boekelheide, Brown University
                 -  Why do we care so much about this chemical?
                         Toxicology
                         Widespread use
                               * Current & historic uses
                               * Industries/site uses where TCE contamination should be suspected
                          Breakdown products
                  -  How the view of TCE impact has changed over time
                           Reference concentration changes
                           Fetal cardiac acute short term exposure impacts

10:30     TCE Fate & Transport
                Professor Eric Suuberg, Brown University
                   -  DNAPL behavior in the subsurface
                   -  Vapor intrusion basics
                   -   Effect of preferential pathways for DNAPL & VI movement
                   -   VI movement into buildings
                   -  Evaluating soil gas, sub-slab & indoor air data

11:15     Break

11:30     Practical Aspects of VI Assessment for TCE
               David Shea, Sanborn, Head & Associates
                   -  VI investigation methods & sampling tools
                   -  Distinguishing background from VI
                   -  Addressing spatial & temporal variations
                   -  Confounding factors: VI pathways, HVAC systems, & in-structure mixing

12:15     Lunch (provided)

1:00      Approaches to Managing TCE Risks
              Paul Locke, MassDEP
                    -  Why standards vary:
                               OSHA vs. cleanup
                               State vs. state
                               EPA vs. EPA 
                               Chronic vs. acute
                     -  Overview of TCE standards & guidance in the NEWMOA states
                     -  Making decisions under regulatory uncertainty

1:45      VI Mitigation Methods Overview
              Robin Mongeon, NH DES
                      -  Site remediation
                      -  Institutional controls
                      -  Building controls

2:15      Break

2:30      State Case Studies:  Addressing TCE Vapor Intrusion
              ME: Troy Smith, ME DEP
              MA: Gerard Martin, MassDEP
              NH: Robin Mongeon, NH DES

4:00      Adjourn

 

 

Last Modified 06/15/2012

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