Superfund record of decision amendment (EPA Region 5): Ninth Avenue Dump, Gary, IN, September 13, 1994

Technical Report · Sun Jan 01 00:00:00 EST 1995

OSTI ID:6526118

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.

• Research Organization: Environmental Protection Agency, Washington, DC (United States). Office of Emergency and Remedial Response
• OSTI ID: 6526118
• Report Number(s): PB-95-963106/XAB
• Resource Relation: Other Information: See also PB--90-114810
• Country of Publication: United States
• Language: English

Related Subjects

54 ENVIRONMENTAL SCIENCES
GROUND WATER
CONTAINMENT SYSTEMS
OILS
REMEDIAL ACTION
SOILS
US SUPERFUND
DECISIONS AND ORDERS
ADMINISTRATIVE PROCEDURES
CONTAINMENT
ENGINEERED SAFETY SYSTEMS
HYDROGEN COMPOUNDS
LAWS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
POLLUTION LAWS
WATER
540250* - Environment
Terrestrial- Site Resource & Use Studies- (1990-)