Estimating Times of Remediation Associated with Monitored Natural Attenuation
and Contaminant Source Removal
U.S. Geological Survey and the Virginia Polytechnic Institute and State
University (Virginia Tech) presented the National
Ground Water Association's short course "Estimating Times of
Remediation Associated with Monitored Natural Attenuation and Contaminant
Source Removal" in:
- Monterey, CA, May 21, 2006 (a short course during Battelle’s Fifth International Conference on Remediation of Chlorinated and Recalcitrant Compounds)
- Denver, CO, March 2-3, 2006
- Nashville, TN, October 4-5, 2005
- Baltimore, MD, June 8, 2005 (a short course during Battelle’s Eighth International In Situ and On-Site Bioremediation Symposium)
- Saratoga, NY, October 5-6, 2004
- Oklahoma City, March 10-11, 2004
- Portland, Oregon (February 23-24, 2004)
- Columbus, Ohio (November 3-4, 2003)
- Cheyenne, Wyoming (March 18-19, 2003) - hosted by the Wyoming
Department of Environmental Quality
- Orlando, Florida (December 5-6, 2002)
- Scottsdale, Arizona (May 6-7, 2002)
This course presented a decision-making framework and methodology for
assessing monitored natural attenuation (MNA) and estimating timeframes
required for natural attenuation processes to lower contaminant concentrations
to regulatory goals. An interactive computer program (Natural
Attenuation Software, NAS) developed by the USGS and Virginia Tech
in cooperation with the U.S. Navy's Naval
Facilities Engineering Command (NAVFAC), Southern Division was demonstrated
at the course. The software is designed to provide quantitative estimates
of how effectively source-zone treatment will reduce plume size and how
long remediation is expected to take using site-specific data and remediation
goals.
More Information
- Software Provides Estimates of How Long it Will Take for Remediation Efforts to Achieve Their Goals
- Chapelle, F.H., Widdowson, M.A., Brauner, J.S., Mendez, E., Casey, C.C., 2003, Methodology for estimating times of remediation associated with monitored natural attenuation: U.S. Geological Survey Water-Resources Investigations Report 03-4057, 51 p.
- NAS Training
Information
- NAS Information
- National Ground Water Association's Training
and Event Calendar
- Instructors
- Frank Chapelle, Toxic Substances Hydrology Program, U.S. Geological
Survey
- Mark Widdowson, Department of Civil and Environmental Engineering,
Virginia Tech
- Eduardo Mendez, Department of Civil and Environmental Engineering,
Virginia Tech
USGS Information on Natural Attenuation
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