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

Monday, April 13, 2015
Brown University - Barus and Holley Building
182 Hope Street
Providence, RI
Tuesday, April 14, 2015
UMass Lowell Inn and Conference Center
50 Warren Street
Lowell, MA
Wednesday, May 20, 2015
Fireside Inn and Suites
25 Airport Road
West Lebanon, NH

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?
                         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
              Gary Ginsberg, CT DPH
              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
              CT:  Carl Gruszczak, CT DEEP & Phil Warner, HGC Environmental Consulting
              ME:  Troy Smith, ME DEP
              MA: Gerard Martin, MassDEP
              NH: Robin Mongeon, NH DES
              RI:   Ashley Blauvelt, RI DEM
              VT:  Richard Spiese, VT DEC

4:00      Adjourn


For more information, contact Jennifer Griffith at .



Last Modified 06/30/2021

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