Vapor intrusion investigations and decision-making: a critical review

J Ma, T McHugh, L Beckley, M Lahvis… - Environmental …, 2020 - ACS Publications
At sites impacted by volatile organic compounds (VOCs), vapor intrusion (VI) is the pathway
with the greatest potential to result in actual human exposure. Since sites with VI were first …

Insights into vapour intrusion phenomena: Current outlook and preferential pathway scenario

A Unnithan, DN Bekele, S Chadalavada… - Science of the Total …, 2021 - Elsevier
Vapour intrusion (VI) is the phenomenon by which volatile organic compounds (VOCs)
migrate from the subsurface source through the soil and enter into the overlying buildings …

Transport and natural attenuation of benzene vapor from a point source in the vadose zone

Y Sun, G Yue, J Ma - Chemosphere, 2023 - Elsevier
The vadose zone is a very dynamic and active environment that directly affects natural
attenuation and vapor intrusion of volatile organic compounds (VOCs). Therefore, it is …

[HTML][HTML] Understanding the role of flux chamber configuration in the measurement of VOC emissions from porous media

L Liu, AA Prata, RM Stuetz, RM Fisher - Chemosphere, 2024 - Elsevier
The accurate quantification of volatile organic compound (VOC) emission rates from porous
media to the air is a challenging problem, as measurements are affected by the chemical …

Effect of Soil Volumetric Water Content on the CO2 Diffusion Coefficient

Q Sun, J Hu, J Jiang, K Gu, C Zhu, C Pan, W Yin - Sustainability, 2023 - mdpi.com
Purpose: The soil air diffusion coefficient (Ds) is particularly important for the study of soil
gas diffusion movement, and there are still many uncertainties in the widely used methods; …

Real-time monitoring and predictive analysis of VOC flux variations in soil vapor: Integrating PID sensing with machine learning for enhanced vapor intrusion forecasts

L Wang, Y Cheng, G Parekh, R Naidu - Science of The Total Environment, 2024 - Elsevier
In the rapidly evolving domain of vapor intrusion (VI) assessments, traditional methodologies
encompass detailed groundwater and soil vapor sampling coupled with comprehensive …

Soil carbon dioxide fluxes to atmosphere: The role of rainfall to control CO2 transport

I Delsarte, GJV Cohen, M Momtbrun, P Höhener… - Applied …, 2021 - Elsevier
In order to observe the relationships between the temporal variations of CO 2 surface fluxes
and the CO 2 soil gas transport in soil profile before and during rainfall events, two …

Field data and numerical modeling: A multiple lines of evidence approach for assessing vapor intrusion exposure risks

KG Pennell, MK Scammell, MD McClean… - Science of the Total …, 2016 - Elsevier
USEPA recommends a multiple lines of evidence approach to make informed decisions at
vapor intrusion sites because the vapor intrusion pathway is notoriously difficult to …

Physically simulating the effect of lateral vapor source-building separation on soil vapor intrusion: Influences of surface pavements and soil heterogeneity

G Wang, Y **ao, J Zuo, Y Wang, J Man, W Tang… - Journal of Contaminant …, 2020 - Elsevier
The soil gas concentration attenuation in lateral diffusive transport determines the influence
area of a contamination plume in soil vapor intrusion, a major exposure pathway of volatile …

Evaluation of site-specific lateral inclusion zone for vapor intrusion based on an analytical approach

Y Yao, Y Wu, M Tang, Y Wang, J Wang… - Journal of hazardous …, 2015 - Elsevier
In 2002, US EPA proposed a general buffer zone of approximately 100 feet (30 m) laterally
to determine which buildings to include in vapor intrusion (VI) investigations. However, this …