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OLS Field Name OLS Field Data
Main Title GIS Technique for Estimating Natural Attenuation Rates and Mass Balances.
Author Durant, N. D. ; Faust, C. R. ; Srinivasan, P. ; Burnell, D. K. ; Klein, K. L. ;
CORP Author GeoTrans, Inc., Sterling, VA.;National Risk Management Research Lab., Ada, OK.
Publisher 2001
Year Published 2001
Report Number EPA/600/A-02/011;
Stock Number PB2002-102931
Additional Subjects Bioremediation ; Attenuation rates ; Mass balances ; Site remediation ; Contaminants ; Computer programs ; Estimates ; Geographic information systems ; Monitored natural attenuation ; TINMASS ; Mass-in-place calculations ; Natural attenuation analysis
Internet Access
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https://nepis.epa.gov/Exe/ZyPDF.cgi?Dockey=P100P6O6.PDF
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Library Call Number Additional Info Location Last
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Status
NTIS  PB2002-102931 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 10/23/2002
Collation 14p
Abstract Regulatory approval of monitored natural attenuation (MNA) as a component for site remediation often requires a demonstration that contaminant mass has decreased significantly over time. Successful approval of MNA also typically requires an estimate of past and future natural attenuation rates. Calculation of electron acceptor and/or donor mass budgets is also useful in establishing the potential effectiveness of MNA. In this paper, we present the application of the GIS program (TINMASS) for quantifying and visualizing contaminant and electron acceptor/donor mass-in-place. TINMASS uses a triangulated irregular network (TIN) to interpolate dissolved contaminant mass between monitoring points. The technique is best suited to sites where the plume has reached a steady-state, and the existing network of monitoring wells includes points located at or outside the perimeter of the plume, both horizontally and vertically.
Supplementary Notes Presented at Battelle's International Symposium on in situ and On Site Bioremediation (6th), San Diego, CA., June 4-7, 2001. Sponsored by National Risk Management Research Lab., Ada, OK.
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NTIS Title Notes Symposium paper.
Category Codes 68; 48C
NTIS Prices PC A03/MF A01
Primary Description 600/15
Document Type NT
Cataloging Source NTIS/MT
Control Number 028900770
Origin NTIS
Type CAT