Integrated Hydrogeological Model of the General Separations Area, Vol. 2, Rev. 1

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The 15 mi2 General Separations Area (GSA) contains more than 35 RCRA and CERCLA waste units, and is the focus of numerous ongoing and anticipated contaminant migration and remedial alternatives studies. To meet the analysis needs of GSA remediation programs, a groundwater flow model of the area based on the FACT code was developed. The model is consistent with detailed characterization and monitoring data through 1996. Model preprocessing has been automated so that future updates and modifications can be performed quickly and efficiently. Most remedial action scenarios can be explicitly simulated, including vertical recirculation wells, vertical barriers, surface caps, pumping ... continued below

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FLACH, GREGORYK. April 1, 1999.

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The 15 mi2 General Separations Area (GSA) contains more than 35 RCRA and CERCLA waste units, and is the focus of numerous ongoing and anticipated contaminant migration and remedial alternatives studies. To meet the analysis needs of GSA remediation programs, a groundwater flow model of the area based on the FACT code was developed. The model is consistent with detailed characterization and monitoring data through 1996. Model preprocessing has been automated so that future updates and modifications can be performed quickly and efficiently. Most remedial action scenarios can be explicitly simulated, including vertical recirculation wells, vertical barriers, surface caps, pumping wells at arbitrary locations, specified drawdown within well casings (instead of flowrate), and wetland impacts of remedial actions. The model has a fine scale vertical mesh and heterogeneous conductivity field, and includes the vadose zone. Therefore, the model is well suited to support subsequent contaminant transport simulations. the model can provide a common framework for analyzing groundwater flow, contaminant migration, and remedial alternatives across Environmental Restoration programs within the GSA.

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  • Other Information: PBD: 1 Apr 1999

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  • Report No.: WSRC-TR-96-0399, Vol 2, Rev.1
  • Grant Number: AC09-96SR18500
  • DOI: 10.2172/833809 | External Link
  • Office of Scientific & Technical Information Report Number: 833809
  • Archival Resource Key: ark:/67531/metadc784952

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  • April 1, 1999

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  • Dec. 3, 2015, 9:30 a.m.

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  • May 5, 2016, 2:05 p.m.

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FLACH, GREGORYK. Integrated Hydrogeological Model of the General Separations Area, Vol. 2, Rev. 1, report, April 1, 1999; South Carolina. (digital.library.unt.edu/ark:/67531/metadc784952/: accessed September 26, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.