The SELECT environmental remedy selection tool: A platform for T2VOC multiphase transport modeling

Conference · Sun Dec 31 04:00:00 EST 1995

OSTI ID:400840

Oldenburg, C; Benson, S; Pruess, K; Daisey, J; Brown, N; Gold, L; Macfarlane, J ^[1]

---

1. Lawrence Berkeley Lab., CA (United States)

The SELECT project at Lawrence Berkeley Laboratory aims to develop integrated software for selecting environmental remediation strategies that maximize health-risk reduction and minimize cost. SELECT will integrate existing state-of-the-art models for site characterization, exposure, health risk assessment, remediation cost, atmospheric transport, and subsurface multiphase transport. For subsurface transport, current plans are to use the multiphase simulator T2VOC for up to three phases (aqueous-gas-NAPL) and three components (water, air, volatile organic compound) as well as heat. The prototype contaminated site currently being investigated by the SELECT project team has a thick ({approximately}30 m) vadose zone where disposal of volatile organic compounds has occurred since the early 1950`s. Preliminary simulations with T2VOC show that soil vapor extraction performed with an impermeable cap in place leads to immediate reductions in soil-gas trichloroethylene concentrations under residences 200 m away from the extraction well. The simulated concentrations calculated by T2VOC will be used in the SELECT methodology to calculate exposure potential and associated carcinogenic health risk for various scenarios. The risk-cost analysis in SELECT will help managers make decisions on remediation strategies.

• DOE Contract Number: AC03-76SF00098
• OSTI ID: 400840
• Report Number(s): CONF-950828--
• Country of Publication: United States
• Language: English

Related Subjects

54 ENVIRONMENTAL SCIENCES
AIR POLLUTION
CHLORINATED ALIPHATIC HYDROCARBONS
COMPUTER-AIDED DESIGN
DEGASSING
ECONOMICS
ENVIRONMENTAL TRANSPORT
MULTIPHASE FLOW
OCCUPATIONAL SAFETY
ORGANIC COMPOUNDS
REMEDIAL ACTION
S CODES
SOIL MECHANICS
SOILS
T CODES
VOLATILE MATTER