Title: FootPrint (BTEX plume model) 
Resource Type: software --> modelling 
Country: USA 
Year: 2008 
Availability: FOOTPRINT Version 1.0 - June 2008 - available on line 
Producers or distributor US Environmental Protection Agency (US EPA) 
Author / Producer Type: Agency, regulator or other governmental or inter-governmental body 
Web link for product information: http://www.epa.gov/ada/csmos/models/footprint.html  
EUGRIS Keyword(s): Contaminated land-->Remediation options-->MNA
Contaminated land-->Soil and groundwater processes-->Geochemistry
Contaminated land-->Soil and groundwater processes-->Microbiology
Contaminated land-->Soil and groundwater processes-->Modelling
Groundwater protection-->Groundwater processes-->Geochemistry
Groundwater protection-->Groundwater processes-->Groundwater processes overview
Groundwater protection-->Groundwater processes-->Hydrogeology
Groundwater protection-->Groundwater processes-->Microbiology
 
Short description: FootPrint is a simple and user-friendly screening model used to estimate the length and surface area of benzene, toluene, ethylbenzene, and xylene (BTEX) plumes in ground water, produced from a spill of gasoline that contains ethanol. Ethanol has a potential negative impact on the natural biodegradation of BTEX compounds in ground water. The primary objective of the software is to predict the increase in surface area of the plume of BTEX compounds or any other chemical of concern (COC) due to the presence of ethanol in ground water. FootPrint estimates the area of a plume of particular BTEX compounds that are contained within two biodegradation zones: 1) a zone that is immediately adjacent to the source, where ethanol is present in high concentration and no biodegradation of the BTEX compounds (or other COC) is allowed, and 2) a second zone, where the ethanol concentration is negligible due to the natural biodegradation of ethanol in the first zone and biodegradation of the BTEX compound (or other COC) contributes to attenuation in concentration of the BTEX compounds. FootPrint is based on the modified version of the Domenico model (1987) 
Link to Organisation(s): EPA Environmental Protection Agency
 
Submitted By: Professor Paul Bardos WhoDoesWhat?      Last update: 04/02/2009

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