Superfund explanation of significant difference for the Record of Decision (EPA Region 10): Selma Treating Co., Selma, CA, April 18, 1997
Technical Report
·
OSTI ID:673758
On September 24, 1988, the United States Environmental Protection Agency (EPA) signed the Record of Decision (1988 ROD) for the Selma Pressure Treating Superfund Site in Selma, California (Site). This explanation of significant differences No. 2 (ESD2) explains the significant differences between the remedial action selected in the 1988 ROD, as changed by the explanation of significant differences issued in 1993 (1993 ESD), and the remedial action which will be implemented at the Site. This ESD2 explains changes in certain remedial action details pertaining to the return of the treated water to the aquifer as described in the ROD. The 1988 ROD selected a groundwater remedy which would employ a conventional precipitation, coagulation, and flocculation extraction and treatment process, with either reinjection or off-site disposal of the treated effluent. Based on reconsideration of certain technical information during the design phase and additional data gathered pursuant to the ROD, EPA proposes to modify the remedy by using percolation ponds to return the treated water to the aquifer.
- Research Organization:
- Environmental Protection Agency, Office of Emergency and Remedial Response, Washington, DC (United States)
- OSTI ID:
- 673758
- Report Number(s):
- PB--97-963117/XAB; EPA--541/R-97/041
- Country of Publication:
- United States
- Language:
- English
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