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Main Title Report of the Unsaturated Zone Code (FECTUZ) for the Office of Solid Waste's Fate and Transport Model.
CORP Author Environmental Protection Agency, Washington, DC. Science Advisory Board.
Year Published 1988
Report Number SAB/EEC-88/030
Stock Number PB2009-109927
Additional Subjects Unsaturated zones ; Chemical constituents ; Codes ; Toxicity ; Organic compounds ; Transport models ; Procedures ; Model structures ; Model uses ; Ground water fate models ; Dilution ; Attenuation ; Uncertainty analysis ; Validation ; Compatability ; Dimensionality ; Questions ; Responses ; FECTUZ code ; Office of Solid Waste ; Toxicity Characteristic Leaching Procedure (TCLP)
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NTIS  PB2009-109927 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 24p
Abstract The purpose of this memo is to transmit for your review a code for the simulation of flow and transport of chemical constituents through an unsaturated zone. The code accounts for the attenuation of chemical constituents in the unsaturated zone and has potential uses in the Toxicity Characteristic (TC) and the Concentration- Based Listing rulemakings. The code was developed to fully explore the comments received on OSW's TC proposal (51 FP 21648, June 13, 1986). As we have indicated to you earlier, the TC proposal would modify the existing toxicity characteristic by: (1) introducing a new leach procedure -- Toxicity Characteristic Leaching Procedure (TCLP); (2) adding 38 organic compounds to the list of TC constituents; and (3) using a ground-water fate and transport model to establish dilution/attenuation factors for the specific organic compounds. The ground-water fate and transport model used in the TC proposal was reviewed by SAB as part of the land disposal restrictions ground-water screening procedure in 1985.
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PUB Date Free Form Jun 1988
Category Codes 77G; 68D; 97Q; 48G; 57Y
NTIS Prices PC A03/MF A03
Document Type NT
Cataloging Source NTIS/MT
Control Number 018801050
Origin NTIS
Type CAT