Three-dimensional simulation of volatile organic compound mass flux from the vadose zone to groundwater

Ground Water Monitoring and Remediation

Volumn 30, Issue 3, 2010, Pages 45-56

  Oostrom, Mart ^a   Truex, Michael J ^a   Tartakovsky, Guzel D ^a   Wietsma, Tom W ^a  

^a PACIFIC NORTHWEST NATIONAL LABORATORY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ANALYTICAL TECHNIQUES; ASSESSMENT METHODS; DISSOLVED CONTAMINANTS; GAS PHASE DIFFUSION; GAS TRANSPORT; GASPHASE; HANFORD SITE; LOW PERMEABILITY; MASS FLUX; ONE-DIMENSIONAL APPROACH; RECHARGE RATES; SATURATED ZONE; SOURCE ZONE; THREE DIMENSIONAL SIMULATIONS; TIME-PERIODS; TRANSPORT PROCESS; U.S. DEPARTMENT OF ENERGY; VADOSE ZONE; VAPOR MIGRATION; WATER TABLES; ZERO CONCENTRATION;

ADVECTION; AQUIFERS; BOUNDARY CONDITIONS; CARBON TETRACHLORIDE; HEAT FLUX; MECHANICAL PERMEABILITY; NUMERICAL METHODS; PHASE INTERFACES; THREE DIMENSIONAL; THREE DIMENSIONAL COMPUTER GRAPHICS; VOLATILE ORGANIC COMPOUNDS;

GROUNDWATER POLLUTION;

ADVECTION; GROUNDWATER POLLUTION; PERMEABILITY; POLLUTANT TRANSPORT; RECHARGE; THREE-DIMENSIONAL MODELING; VADOSE ZONE; VOLATILE ORGANIC COMPOUND; WATER TABLE;

EID: 77955798726     PISSN: 10693629     EISSN: 17456592     Source Type: Journal    
DOI: 10.1111/j.1745-6592.2010.01285.x     Document Type: Article

References (23)

1. Broholm M, Christophersen M, Maier U, Stenby E, Hoehener P, Kjeldsen P. Compositional evolution of the emplaced fuel source in the vadose zone field experiment at airbase Værløse, Denmark. Environmental Science and Technology 2005, 39:8251-8263.
2. Remedial investigation report for the 200-PW-1, 200-PW-3, and 200-PW-6 operable units. Report DOE/RL-2006-51. Richland. 2007, Department of Energy (DOE), Washington: U.S. Department of Energy
3. DiGiulio DC, Varadhan R. Analysis of water saturation, NAPL content,degradation half-life, and lower boundary conditions on VOC transport modeling: Implications for closure of soil venting systems. Ground Water Monitoring and Remediation 2001, 21:83-95.
4. DiGiulio DC, Varadhan R, Brusseau ML. Evaluation of mass flux to and from groundwater using a vertical flux model (VFLUX): Application to the soil vacuum extraction closure problem. Ground Water Monitoring and Remediation 1999, 19:96-104.
5. Khaleel R, Jones TE, Knepp AJ, Mann FM, Myers DA, Rogers PM, Serne RJ, Wood MI. Modeling data package for S-SX field investigation report. 2001, RPP-8296, Rev. 0, CH2MHill. Richland, Washington: Hanford Group Inc
6. Klenk ID, Grathwohl P. Transverse vertical dispersion in groundwater and the capillary fringe. Journal of Contaminant Hydrology 2002, 58:111-128.
7. Lenhard RJ, Oostrom M, Simmons CS, White MD. Investigation of density-dependent gas advection of trichloroethylene: Experiment and a model validation exercise. Journal of Contaminant Hydrology 1995, 19:47-67.
8. Maier U, Beyer C, Susset B, Grathwohl P. Modelling of solute mass transfer across the capillary fringe. Advances in Subsurface Pollution of Porous Media: Indicators, Processes and Modelling 2008a, Vol. 14:15-30. Candela L, Vadillo I, Elorza FJ, ed., Boca Raton, Florida: Balkema
9. Maier U, Beyer C, Susset B, Grathwohl P. Modelling the dilution of solutes due to mass transfer across the capillary fringe. IAHS Publication no. 324. 2008b, Wallingford, United Kingdom, IAHS Press
10. McCarthy KA, Johnson RL. Transport of volatile organic compounds across the capillary fringe. Water Resources Research 29, no 1993, 6:1675-1683.
11. Millington RJ, Quirk JP. Permeability of porous solids. Transactions of the Faraday Society 57, no 1961, 7:1200-1207.
12. Oostrom M, Rockhold ML, Thorne PD, Last GV, Truex MJ, Rohay VJ. Carbon tetrachloride flow and transport in the subsurface of the 216-Z-9 trench at the Hanford Site: Multifluid flow modeling and conceptual model update. Vadose Zone Journal 2007, 6:971-984.
13. Oostrom M, Rockhold ML, Thorne PD, Last GV, Truex MJ. Carbon tetrachloride flow and transport in the subsurface of the 216-Z-9 trench at the Hanford site: Heterogeneous model development and soil vapor extraction modeling. PNNL-15914. 2006, Richland, Washington: Pacific Northwest National Laboratory
14. Oostrom M, Dane JH, Wietsma TW. Removal of carbon tetrachloride from a layered porous medium by means of soil vapor extraction enhanced by desiccation and water table reduction. Vadose Zone Journal 2005, 4:1170-1182.
15. Truex MJ, Oostrom M, Brusseau ML. Estimating persistent mass flux of volatile contaminants from the vadose zone to groundwater. Ground Water Monitoring and Remediation 2009, 29:63-72.
16. Engineering design: Soil vapor extraction and bioventing. USACE EM 1110-1-4001. Washington, D.C.: USACE. 2002, U.S. Army Corps of Engineers (USACE)
17. Development of recommendations and methods to support assessment of soil venting performance and closure. EPA/600/R-01/070. Washington, D.C.: EPA. 2001, U.S. Environmental Protection Agency (EPA)
18. Van Genuchten MTh. A closed form equation for predicting the hydraulic conductivity of unsaturated soils. Soil Science Society of America Journal 1980, 44:892-898.
19. Varadhan R, Johnson JA. VLEACH a one-dimensional finite difference vadose zone leaching model, version 2.2. User manual. 1997, http://www.epa.gov/ada/csmos/models/vleach.html, (accessed March 24, 2010)
20. Wang G, Reckhorn SBF, Grathwohl P. Volatilization of VOC from multicomponent mixtures in unsaturated porous media. Vadose Zone Journal 2003, 2:692-701.
21. White MD, Oostrom M, Rockhold ML, Rosing M. Scalable modeling of carbon tetrachloride migration in the deep vadose zone at the Hanford site using the STOMP simulator. Vadose Zone Journal 2008, 7:654-666.
22. White MD, Oostrom M. STOMP, subsurface transport over multiple phases. version 4.0. User's guide. PNNL-15782. Richland, Washington: Pacific Northwest National Laboratory. 2006
23. White MD, Oostrom M, Lenhard RJ. A practical model for mobile, residual, and entrapped NAPL in water-wet porous media. Groundwater 2004, 42:734-746.