Integrated Field Scale, Lab Scale, and Modeling Studies for Improving Our Ability to Assess the Groundwater to Indoor Air Pathway at Chlorinated Solvent Impacted Groundwater Sites

reportActive / Technical Report | Accession Number: AD1029643 | Open PDF

Abstract:

This study focused on improving our ability to confidently assess the groundwater to indoor air vapor intrusion VI pathway at chlorinated solvent-impacted groundwater plume sites. Federal, state, and local agency guidance has evolved toward multiple-lines-of-evidence-based approaches that involve indoor air, sub-slab soil gas, deeper soil gas, groundwater, and soil sampling in combination with empirical analysis and screening-level modeling. Of these, indoor air data tend to be most heavily weighted in decision-making.

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