Record Display for the EPA National Library Catalog
RECORD NUMBER: 965 OF 1029
|OLS Field Name||OLS Field Data|
|Main Title||Superfund Record of Decision Amendment (EPA Region 5): Ninth Avenue Dump, Gary, IN., September 13, 1994.|
|CORP Author||Environmental Protection Agency, Washington, DC. Office of Emergency and Remedial Response.|
|Additional Subjects||Superfund ; Hazardous materials ; Waste disposal ; Land pollution control ; Debris ; Metals ; Oils ; Benzene ; Solvents ; Slurries ; Organic compounds ; Soil contamination ; Soil treatment ; Containment systems ; Capping ; Restrictions ; Indiana ; Record of Decision Amendment ; First Remedial Action ; Second Remedial Action ; Cleanup ; Gary(Indiana) ; Lake County(Indiana)|
The decision document, together with Records of Decision dated June 30, 1989 (PB90-114810) and September 20, 1988 (PB89-153837) and an Explanation of Significant Differences dated October 1991, present the selected remedial action for the Ninth Avenue Dump site. The remedial action for the site consists of two operable units. The first operable unit addressed an oil layer floating on the groundwater by means of oil and groundwater extraction, oil storage, reintroduction of the groundwater, containment with a slurry wall, and management of excess surface water. The extracted groundwater was treated prior to reintroduction. The second operable unit, which is being amended by this decision document, addresses the remaining threats at the site.