M00006705
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SIMULATING THE EFFECT OF AEROBIC BIODEGRADATION ON SOIL VAPOR INTRUSION INTO BUILDINGS - EVALUATION OF LOW STRENGTH SOURCES ASSOCIATED WITH DISSOLVED GASOLINE PLUMES
American Petroleum Institute
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Availability date: 10/27/2021
Abstract
1 Introduction
2 Background
3 Approach
3.1 Conditions Simulated
3.2 Multi-Component Mixture Vapor Source
4 Results and Discussion
4.1 Effect of Source Concentration
4.2 Effect of First-Order Biodegradation Rate
4.3 Effect of Source Depth
4.4 Effect of Building Type
4.5 Results and Discussion for Multi-Component
Gasoline Sources
5 Evaluation of Additional Parameters
5.1 Effect of Soil Type
5.2 Effect of Foundation Crack Location
5.3 Effect of a High Moisture-Content Soil Layer
6 Discussion
6.1 Development of a Conceptual Model
6.2 Preliminary Screening
6.3 Site-Specific Assessments
7 Conclusions and Recommendations
7.1 Conclusions
7.2 Recommendations
8 References
Appendix A - Predicted Soil Gas Pressure Field and Air
Flow Rate into the Building
Appendix B - Plots of Attenuation Factors as a Function
of Source Concentration, Depth and First-order
Biodegradation Rates for Basement Scenarios
Appendix C - Plots of Attenuation Factors as a Function of
Source Concentration, Depth and First-order
Biodegradation Rates for Slab-on-grade
Scenarios
Defines results from 3-dimensional numerical model simulations of vapor intrusion for petroleum hydrocarbons to assess the influence of aerobic biodegradation on the attenuation factor for a variety of source concentrations and depths for buildings with basements and slab-on-grade construction.
Published | |
Document Type | Standard |
Status | Current |
Publisher | American Petroleum Institute |
Pages | |
ISBN |