This EnviroClass will focus on the use of “risk-based,” “Large Volume Purge (LVP)” subslab vapor sampling methods and data to better assess site-specific, VI risk. Roger Brewer is a world leader on vapor intrusion and he has spent over 18 months in China working with government officials on some of these technologies. Tom Hatton is also a VI world leader and he was literally on the very first EPA site in Bowling Green, KY. Since then, Tom has worked on over 11,000 sites across the US and overseas.
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