Superfund record of decision (EPA Region 4): Velsicol/Hardeman County Landfill, operable unit 2, Toone, TN, September 26, 1995
This decision document presents the selected remedial action for the Velsicol Hardeman County Landfill, Operable Unit No. 2, in Toone, Hardeman County, Tennessee. The remedy includes capping the 27-acre landfill with a RCRA composite cap to reduce infiltration of surface water through the waste and contaminated soil. The RCRA composite cap consists of: scarifying existing vegetative cover and recompacting; a 40-mil high density polyethylene (HDPE) synthetic liner or equivalent, placed over the recompacted clay surface; a sand drainage blanket with a minimum hydraulic conductivity of 1 x 10-3 cm/sec placed over the liner to provide lateral drainage; the sand will be covered with a filter fabric and a layer of common fill and topsoil; a vegetative cover will be established to prevent erosion of the fill and topsoil materials; and routine monitoring of the RCRA cap in order to maintain the integrity of the cap.
- Research Organization:
- Environmental Protection Agency, Washington, DC (United States). Office of Emergency and Remedial Response
- OSTI ID:
- 241289
- Report Number(s):
- PB--95-964039/XAB; EPA/ROD/R--04-95/256
- Country of Publication:
- United States
- Language:
- English
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