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Title: Superfund Explanation of Significant Difference for the Record of Decision (EPA Region 5): Refuse Hideaway Landfill, Middleton, WI, September 30, 1998

Technical Report ·
OSTI ID:6481966

This Explanation of Significant Differences (ESD) is for the Refuse Hideaway Landfill Superfund site in Middleton, Wisconsin. The June 28, 1995 ROD required groundwater extraction and treatment of the most highly contaminated groundwater (greater than 200 ppb total volatile organic compounds (VOCs)), treatment of groundwater to discharge standards and injection of the treated water into the aquifer upgradient of the landfill to stimulate in-situ biodegradation of the degradable components of the contamination. This ESD documents that US EPA, in consultation with WDNR, has determined, based on the 1998 groundwater data, that it is not necessary to implement the groundwater extraction and treatment component of the selected remedy. The significant decrease of total VOCs in groundwater over a short period of time indicates that groundwater should meet the remedial action objective of NR 140 PALs within a reasonable period of time if source control measures continue to be operated and maintained.

Research Organization:
Environmental Protection Agency, Office of Emergency and Remedial Response, Washington, DC (United States)
OSTI ID:
6481966
Report Number(s):
PB-98-963142/XAB; EPA-541-R98-154
Resource Relation:
Other Information: See also PB95-964109
Country of Publication:
United States
Language:
English