• A primer for sites impacted with contaminant vapor intrusion
• How CSIA is being used to fingerprint different contaminant sources
• Using CSIA to help identify the underlying cause of decreased indoor air quality

Many of the contaminants commonly impacting indoor air through vapor intrusion can also be found in a number of house-hold items and products. Are the chlorinated solvents detected in the air originating from the groundwater beneath the building, or is a bottle of adhesive the actual source? Is the benzene detected in the basement a direct result of an upgradient petroleum release, or from the cigarette of the construction worker in the next room? Determining the source of impact is an important first step in investigating vapor intrusion cases and can save time and money in the long run. This webinar serves as a primer for vapor intrusion, and highlights how compound specific isotope analysis is being used to fingerprint different contaminant sources and help to identify the underlying cause of decreased indoor air quality. With the added context of Microbial Insights’ new CSIA database, the results are automatically plotted for you, making it easy to visualize and interpret the data.

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About the Presenters:

Dora Taggart
President, Microbial Insights, Inc.
Dora Taggart is the President of Microbial Insights, Inc. in Knoxville, Tennessee. She received a Biomedical Engineering degree from Vanderbilt University and has focused on the optimization and implementation of molecular tools for environmental remediation, microbiologically-influenced corrosion and microbial source tracking. Since joining Microbial Insights in 2001, she has developed and commercialized over 60 different nucleic acid-based analyses. Under her direction, Microbial Insights has become a worldwide provider of molecular tools for leading consulting firms, government agencies and academia. Ms. Taggart runs national and international workshops on these tools. She has more than 20 peer reviewed co-authored publications and is often invited to speak at conferences around the world.

Sam Rosolina, PhD
CSIA Lab Director, Microbial Insights, Inc.
Sam Rosolina is Director of the Compound Specific Isotope Analysis (CSIA) Laboratory at Microbial Insights. Dr. Rosolina received his B.A. in Chemistry from Berea College in Kentucky and went on to complete a PhD in Analytical Chemistry at the University of Tennessee in Knoxville. Sam is constantly working to broaden the scope of remediation analysis through the implementation of cutting edge methods and instrumentation, and is focused on making these analytical methods more accessible overall.

Tom Szocinski, CEP
Director of Vapor Intrusion, Land Science
Tom Szocinski is the Director of Vapor Intrusion of the Land Science division of REGENESIS, Inc. In his role, Tom provides executive leadership, market strategy and sales support, while further strengthening relationships with state and federal regulators, applicators and environmental consultants. Tom is a nationally recognized vapor intrusion expert with over 14 years’ experience as an environmental scientist, focusing on vapor intrusion assessment and mitigation, remediation, site assessment, and Brownfield site management. He has served on both state and federal regulatory vapor intrusion review boards, assisting with development of vapor intrusion and mitigation guidance, regulations, and exposure criteria. He has designed and implemented numerous nationally recognized and award winning vapor mitigation systems across the United States for both private and government sites. Tom earned a Bachelor of Science degree from Lake Superior State University in Sault Ste. Marie, Michigan. Tom enjoys the outdoors from hunting and fishing, to hiking and camping with his wife and children.