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SPRING
SEMINAR

May 4th, 2017

 

 


Innovative Sampling Strategies and
Regulatory Insights on Vapor Intrusion

Seminar Summary:

Join MSECA for a full day of presentations on Vapor Intrusion topics. We have a great group of speakers joining us to share their knowledge at this year's Spring Seminar including:

    • Michael Anderson, IDEM
    • Chris Ferguson, Protect Environmental
    • David Gillay, Barnes & Thornburg
    • Megan Hamilton, EnviroForensics
    • Kesler Krieg, Pace Analytical
    • Todd McAlary, Geosyntec Consultants
    • Susan McKinley, IDEM
    • Harry O'Neill, Beacon Environmental Services
    • Ed Pfau, Hull & Associates
    • Carrie Rasik, Ohio EPA
    • Peter Scaramella, Haley & Aldrich
    • Alyssa Sellwood, Wisconsin DNR

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WHEN:
Thursday, May 4th
Registration Opens at 7:00am
8:00am - 4:30pm
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WHERE:
Regions Tower - 5th Floor
One Indiana Square
Indianapolis, IN 46204

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MSECA would like to thank our Seminar sponsors for their support:

  


Break Sponsor

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Break Sponsor

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MSECA Seminar Registration:

Online Registration is Closed

Onsite Registration will be available on a first come, first served, basis

Sign up for:

Onsite

MSECA Member Registration
Check your company's status at:
http://www.mseca.org/MSECA_Members.php
$225.00
Non-Member Registration
Environmental consulting companies can Join MSECA and all employees will receive discounted registration to all our educational events.
$325.00
MSECA Government Member Registration
Government Members receive discount on registration.
(Currently IDEM & Indiana Brownfields are both MSECA Members)
$135.00
MSECA Student Member Registration
Full time students who join MSECA at our Student Member rate receive a discount on registration.
$135.00
Non-Member Government / Student Registration
MSECA offers a discount on registration to non-members who are government employees or full time students. A current ID card maybe requested to verify eligibility for this rate.
Sign Up for MSECA Membership and Receive a Bigger Discount
$165.00


Seminar Agenda:

7:00am Registration / Exhbit Hall Opens

8:00am Opening Remarks, MSECA News, & More

    TCE Panel Discussion
8:10am Michael Anderson, IDEM

8:30am Carrie Rasik, Ohio EPA

8:50am Ed Pfau, Hull & Associates

9:10am David Gillay, Barnes & Thornburg

9:30am TCE Panel Q&A and Discussion

10:00am Break / Exhibit Hall

10:25am Role of IDEM Risk Services
Susan McKinley, IDEM

10:45am Highlights on Wisconsin’s New Guidelines
Alyssa Sellwood, Wisconsin DNR

11:20am Chris Ferguson, Protect Environmental

11:50am Lunch

12:50pm Exhibit Hall

1:10pm Influences and Implications of Indoor Air Background Concentrations on Health Risks in Residences, Schools, and Commercial Buildings
Peter Scaramella, Haley & Aldrich

1:45pm New Insights into Exposure through Preferential Pathway Vapor Migration
Megan Hamilton, EnviroForensics

2:20pm Time-Integrated, Passive Indoor Air Sampling for a Better Vapor Intrusion Risk Assessment
Harry O'Neill, Beacon Environmental Services

2:50pm Break / Exhibit Hall

3:15pm Innovative Sampling Strategies for Vapor Intrusion
Todd McAlary, Geosyntec Consultants

4:00pm Vapor Intrusion Assessment Tools and Sampling Challenges That May Affect Data Quality
Kesler Krieg, Pace Analytical

4:30pm Adjourn


Presentation Descriptions:

TCE Panel Discussion
Michael Anderson, IDEM
Carrie Rasik, Ohio EPA
Ed Pfau, Hull & Associates
David Gillay, Barnes & Thornburg

  • Michael Anderson will present IDEM’s approach to TCE short term action levels for the vapor intrusion inhalation pathway. He will explain how IDEM’s approach generally meshes with that of US EPA yet includes some significant differences in implementation.
  • Carrie Rasik will give a presentation of Ohio EPA’s guidance document on recommendations regarding response action levels and timeframes for common contaminants of concern at vapor intrusion sites in Ohio (finalized August of 2016) and illustrating its implementation through a case study(ies).
  • Ed Pfau will present on using the non-cancer safety range to develop risk management options and action levels for TCE. (Click for full Description)

Role of IDEM Risk Services
Susan McKinley PE, IDEM

This presentation will explain the role of risk services at IDEM, discuss the elements of a risk evaluation, and give some helpful hints on what to include in a submittal

Highlights on Wisconsin’s New Guidelines
Alyssa Sellwood, P.E., Wisconsin DNR

In Wisconsin, vapor mitigation is required when sub-slab vapor concentrations exceed vapor risk screening levels. Wisconsin is getting ready to release an update to the state’s vapor intrusion guidance, which will now define the expectations for the design, performance verification, and long-term operation, monitoring, and maintenance for vapor mitigation. The basis for how vapor intrusion is assessed in Wisconsin, is to ensure that people are protected from vapor intrusion not only now, but into the future. This presentation will share highlights on Wisconsin’s new guidelines for performance verification and long-term OM&M of vapor mitigation, and why preemptive mitigation is no longer acceptable on contaminated sites in the state.

Influences and Implications of Indoor Air Background Concentrations on Health Risks in Residences, Schools, and Commercial Buildings
Rich Rago and Peter Scaramella, Haley & Aldrich

While the identification of consumer products containing these ubiquitous VOCs are typically considered as a line of evidence in evaluating vapor intrusion from subsurface VOC sources to indoor air, the health risks that may be associated with indoor air background concentrations are often not examined. Yet, risks associated with indoor air background conditions may substantially contribute toward, or even exceed, risk management thresholds used by various states and the EPA. Consequently, the implications of indoor air background on health risks should be recognized and accounted for in risk management decision-making.(Click for full Description)

New Insights into Exposure through Preferential Pathway Vapor Migration
Megan Hamilton, EnviroForensics

It is well understood throughout the scientific community that contaminant vapor migration can occur through preferential pathways, potentially leading to adverse human health exposures. What is not well understood, is which preferential pathways are most likely to allow contaminated vapors to reach the indoor air of a structure and adversely affect human health, and how to identify and investigate these pathways. (Click for full Description)

Time-Integrated, Passive Indoor Air Sampling for a Better Vapor Intrusion Risk Assessment
Harry O'Neill, Beacon Environmental Services

When determining potential health risks from vapor intrusion, indoor air samples are typically collected over 24 hour periods or less; however, research completed by Dr. Paul Johnson and others have determined that the temporal variability of indoor air contaminant concentrations from vapor intrusion can vary by orders of magnitude over time and that short duration samples collected over 24 hours are likely to produce results that do not represent actual potential health risks. Sorbent samplers are being used to passively sample air over days or weeks to provide long-duration average concentrations that can better represent actual potential health risks.

Innovative Sampling Strategies for Vapor Intrusion
Todd McAlary, Geosyntec Consultants

Several common challenges are encountered with conventional approaches to vapor intrusion assessment, and innovative techniques have been developed to address them. This talk will provide details of technologies specifically developed to minimize uncertainties associated with spatial variability, temporal variability and background source contributions. Most regulatory guidance documents recommend sampling and analysis of groundwater, soil vapor and indoor air and comparison to screening levels as the primary methods for assessing vapor intrusion risks. The common challenges with this approach are: (Click for full Description)

Vapor Intrusion Assessment Tools and Sampling Challenges That May Affect Data Quality
Kesler Krieg, Pace Analytical

As vapor intrusion guidance continues to evolve so do the available assessment tools and manner in which they are adopted for use in the field. Some assessment tools are more readily accepted than others within the national regulatory community but one common thread tends to hold true, all data must be defensible. Air laboratories should consistently hold up their end of the bargain, by producing defensible data, however, that standard can be put in jeopardy depending upon how the air media is utilized in the field. The discussion will closely evaluate some of today's available assessment tools, potential pitfalls associated with sampling techniques and how those pitfalls may affect data quality.


Presenter Bios:

Michael Anderson, IDEM

Michael has functioned as a Senior Risk Assessor since 1995 to mentor risk assessment staff on risk assessment policy and site-specific evaluation; advise technical, project management and managerial staff on risk assessment and risk management procedures; develop written guidance for vapor intrusion investigations and risk assessment procedures; develop and provide training to IDEM staff and outreach to the regulated community; and, review complex or high profile risk assessments. To date Michael has reviewed over a thousand site-specific risk assessments for IDEM’s Office of Land Quality. He has a BS in Soil Science from the Ohio State University.

Carrie Rasik, Ohio EPA

Carrie Rasik received a B.S. in Natural Resources and a M.S. in Environmental Sciences from The Ohio State University. She first worked for the Ohio EPA an intern for the Right to Know and Toxic Release Inventory programs in 2005 and 2006, and then for the Site assessment and Brownfield Restoration program in 2007. In 2008 she began a full time position with Ohio EPA’s Division of Emergency and Remedial Response as a risk assessor.

Ed Pfau, Hull & Associates

Ed Pfau is a Principal Scientist with Hull & Associates in Dublin, Ohio. He has more than 20 years of experience in environmental toxicology and environmental risk assessment. He prepares and reviews human health and ecological risk assessments for brownfields, hazardous waste management units, Superfund sites, and other sites where hazardous substances or petroleum pose a potential or known environmental or regulatory concern. He conducts environmental fate and eco-toxicological evaluations as part of chemical safety assessments prepared to meet registration requirements for chemical manufacturers in the United States and Europe. He also works with public water systems to assist in the assessment of harmful algal blooms in water supplies and of lead in drinking water distribution systems. Before joining Hull, Ed was a senior toxicologist and risk assessor for the Ohio EPA, where he was responsible for rules development, technical guidance and critical review and approval of risk assessments under the Ohio Voluntary Action Program (VAP) and other programs. Ed has both Master’s and Bachelor’s degrees in Biology. He has served on several committees, including the ASTM E50.04 Voluntary Cleanup Task Group and the generic standards and risk assessment committee under the Ohio EPA VAP Multi-Disciplinary Board. He is an active member of the Society of Environmental Toxicology and Chemistry and the Society for Risk Analysis.

David Gillay, Barnes & Thornburg

David Gillay is a partner in the Indianapolis office of Barnes & Thornburg. He heads the Remediation, Redevelopment, and Environmental Transactional Practice Groups and provides environmental counseling in connection with assessing environmentally challenged properties. Over the last fifteen years, David has focused on the legal, regulatory, and technical impact and implications related to the vapor intrusion pathway and potential long term stewardship obligations related to environmentally challenged properties. He also represents an influential multi-state environmental consultants’ association and works closely with leading technical experts on a wide array of environmental matters, including rapidly evolving vapor intrusion guidance and changes to toxicity for TCE, PCE, and other contaminants. Prior to joining Barnes & Thornburg, he obtained an advanced environmental engineering degree and practiced as an environmental consultant on various projects cross the country.

Susan McKinley PE, IDEM

Susan has nearly twelve years of experience at IDEM. She worked as an Environmental Engineer in IDEM’s office of Land Quality before transitioning to the Risk Services group in 2017. She currently oversees eight highly talented risk assessors. She has been a member of IDEM’s Technology Evaluation Workgroup and the former Vapor Intrusion Workgroup. Susan has a Bachelors degree in Chemistry along with a Masters in Civil Engineering from Purdue University.

Alyssa Sellwood, P.E., Wisconsin DNR

Alyssa Sellwood, P.E. is the Vapor Intrusion Team Leader for the Wisconsin Department of Natural Resources’ (DNR) Remediation and Redevelopment program. Alyssa joined the DNR in July 2015, and now develops guidance and provides training to staff and consultants on vapor intrusion issues. Prior to joining the DNR, Alyssa worked for 13 years in environmental consulting as an engineer and project manager on a wide variety of remediation projects. Alyssa received B.S. degrees in in Geological Engineering and Geology & Geophysics from UW-Madison in 2000, and received here M.S. in Geological Engineering from UW-Madison in 2002.

Christopher Ferguson, MBA, CHMM, Protect Environmental

Mr. Ferguson has over a decade of experience in many areas of the Environmental industry. First as a chemist and then a project manager with the Indiana Department of Environmental Management, then as an associate with Ramboll Environ, and now as a Project Manager with Protect Environmental. In each of these roles, Christopher has maintained a focus on bringing the sometimes antagonistic parties involved with the project together to develop a protective, productive, economical, and scientifically defensible solution to the problem at hand. Mr. Ferguson has been directly involved with a wide variety of projects throughout his career. From performing data validation and quality assurance reviews of regulatory projects; designing, coordinating, and conducting field sampling events for air, soil, and water contamination; and now managing air mitigation and remediation projects from first contact with the client to final construction and ongoing operation and maintenance.

Peter Scaramella, Haley & Aldrich

Peter Scaramella is an Associate Risk Assessor with Haley & Aldrich in Oakland, California. He has 10 years of experience with vapor intrusion, indoor air quality, and risk assessment. His primary area of experience involves evaluating potential human exposure to volatile organic compounds in indoor air via the vapor intrusion pathway. Mr. Scaramella has designed and implemented numerous subsurface and indoor air sampling programs to evaluate potential exposures in indoor air and validate fate and transport models. His work has resulted in regulatory closure at sites impacted with petroleum hydrocarbons or chlorinated solvents. Mr. Scaramella holds a B.S. in chemistry from the University of California, Berkeley and a M.S. in Civil Engineering from the University of Colorado at Boulder.

Megan Hamilton, EnviroForensics

Megan Hamilton is the Director of Vapor Intrusion and Risk Assessment for the Environmental Forensic Investigations, Inc. (EnviroForensics) team and has over 18 years of experience in environmental regulatory oversight and consulting. She develops, helps implement, and oversees the VI investigations and mitigation for all of EnviroForensic’s projects. She is also the main contact for risk communication issues and community outreach development. Her diversified professional experience includes research, policy development, technical writing, public outreach, vapor intrusion investigation and remediation, data analysis and interpretation, human health risk assessment, and conceptual site model analysis. Ms. Hamilton served as the coordinator and team leader for the Indiana Department of Environmental Management’s (IDEM) Vapor Intrusion Workgroup for six years and is the principal author of the current Indiana Vapor Intrusion Guidance. Ms. Hamilton has presented at several National Conferences, is a member of the National VI Science Advisory Committee, and currently serves on the Board of Directors for the Midwestern States Environmental Consultants Association (MSECA).

Harry O'Neill, Beacon Environmental Services

Harry O’Neill is the President of Beacon Environmental Services and has managed soil gas and vapor intrusion investigations for more than 25 years, working on federal, state, and commercial projects throughout the United States, as well as internationally across six continents. Harry has been on the forefront of the acceptance of passive sampling technologies at the national and international level, working with regulators, as well as multiple universities on research projects, and has managed the implementation of thousands of soil gas and air sampling surveys. He is a member of AWMA, ITRC, and ASTM; is the lead author of ASTM Standard D7758: Standard Practice for Passive Soil Gas Sampling in the Vadose Zone; and has published and presented findings throughout the United States, as well as internationally as an invited speaker, most recently in China and later this month in Peru.

Todd McAlary, Geosyntec Consultants

Todd McAlary (PhD, P.Eng., P.G., CUT) has been the Vapor Intrusion Practice Leader for Geosyntec Consultants, Inc., since 1998. He has degrees in Geological Engineering, Hydrogeology and Chemistry from the University of Waterloo, where he measured and modeled vapor diffusion through unsaturated sands as his Master’s Thesis and demonstrated/validated the use of passive samplers for vapor intrusion assessment as his Doctoral dissertation. Dr. McAlary has 30 years of consulting experience, primarily for the U.S DOD and Fortune 500 companies in the United States, but including assignments in 14 other countries. He has conducted site-specific investigations of vapor intrusion since 1992, co-authored or peer-reviewed over a dozen guidance documents on vapor intrusion, and has presented research in this field at over 50 conferences, workshops, and training sessions. He received the 2006 Industry Recognition Award for his contribution to the ITRC vapor intrusion guidance and has been a member of the Federal EPA Expert Panel on Vapor Intrusion since 2000. Mr. McAlary is currently managing large-scale vapor intrusion investigations for the DOD, conducting applied research for ESTCP, the Navy and the Air Force to improve vapor intrusion assessment methods and is an Adjunct Professor at the University of Toronto.

Kesler Krieg, Pace Analytical

Kesler Krieg is the Air Program Manager for Pace Analytical serving as the subject matter expert and Sales Manager for the laboratory's air toxics product offering. Kesler has ten years of environmental consulting and analytical experience. Prior to joining Pace, he was a Project Manager for a full-service environmental consulting and industrial hygiene firm where he specialized in vapor intrusion assessment and mitigation. He has a B.S. in Environmental Geoscience from Purdue University.

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