Superfund explanation of significant difference for the record of decision (EPA Region 1): Iron Horse Park, Operable Unit 1, Boston/Marine Wastewater Lagoons, Billerica, MA, October 1, 1997
The September 15, 1988 Record of Decision (ROD) (PB89-206247) called for treatment of contaminated soil and sludge from the lagoons by bioremediation, returning the treated material to the lagoon area, covering it with clean soil and establishing a vegetative cover. The ROD also required decontamination and disposal of piping and pumps associated with the lagoons. Due to the lack of success of bioremediation, alternative remedial alternatives evaluated during the June 1988 Feasibility Study (FS) of B and M Lagoons were reinvestigated. Asphalt batching has become an accepted treatment technology that can be used to produce a cleanup that is more cost effective than the on-site stabilization option considered in the FS. This technology would result in off-site treatment and reuse which eliminates the need to utilize a costly on-site cap over the concrete-stabilized material.
- Research Organization:
- Environmental Protection Agency, Office of Emergency and Remedial Response, Washington, DC (United States)
- OSTI ID:
- 350727
- Report Number(s):
- PB--98-963128/XAB; EPA--541-R98-119
- Country of Publication:
- United States
- Language:
- English
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