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Record of Decision System (RODS)

LAKE SANDY JO (M&M LANDFILL)

Abstract

Site Name:  LAKE SANDY JO (M&M LANDFILL)
Address:  3615 WEST 25TH AVENUE 
City & State:  GARY  IN  46404
County:  LAKE
 
EPA ID:  IND980500524
EPA Region:  05
 
NPL Status:  Currently on the Final NPL
 
ROD Type:  Record of Decision
ROD ID:  EPA/ROD/R05-86/043
ROD Date:  09/26/1986
Operable Unit(s):  01
 
Media:  GROUNDWATER SEDIMENTS SOIL
 
Contaminant:  HEAVY METALS, PAHS, PHTHALATES
 
Abstract:  THE LAKE SANDY JO SITE IS LOCATED ON THE SOUTHEAST SIDE OF THE CITY OF GARY IN LAKE COUNTY, INDIANA. THE SITE WAS A FORMER 40-ACRE WATER-FILLED BORROW PIT THAT WAS USED AS A LANDFILL BETWEEN 1971 AND 1980. VARIOUS WASTES INCLUDING CONSTRUCTION AND DEMOLITION DEBRIS, GARAGE AND INDUSTRIAL WASTES, AND DRUMS ARE BELIEVED TO BE IN THE SITE. THE AREA SURROUNDING THE SITE IS PRIMARILY LOW DENSITY RESIDENTIAL PROPERTY. THE BORROW PIT ON THE SITE WAS ORIGINALLY DUG TO SUPPORT CONSTRUCTION OF I-90/84, WHICH IS ADJACENT TO THE SITE. IN 1971 THE PIT WAS FILLED WITH GROUND WATER AND WAS USED FOR A SHORT TIME AS A RECREATIONAL LAKE. BETWEEN 1971 AND 1975 THE PIT WAS FILLED WITH VARIOUS DEBRIS. COMPLAINTS WERE FILED BY LOCAL RESIDENTS ABOUT ODORS EMANATING FROM THE SITE, AND IN 1976 THE OWNERS WERE ORDERED TO DRAIN THE LAKE AND RESTRICT FILL TO DEMOLITION DEBRIS ONLY. LATER IN 1976 THE SITE WAS SOLD TO GLEN AND GORDON MARTIN, WHO CONTINUED FILLING OPERATIONS WITHOUT A PERMIT UNTIL THE SITE WAS CLOSED IN 1980. THE PRIMARY CONTAMINANTS OF CONCERN ARE PAHS, PHTHALATES AND HEAVY METALS, FOUND MAINLY IN SOILS.

THE SELECTED REMEDIAL ACTION FOR THIS SITE INCLUDES; INSTALLATION OF A SOIL COVER OVER THE LANDFILL WITH A DRAINAGE BLANKET TO CONTROL SURFACE SEEPS; EXTENSION OF WATER MAINS TO AFFECTED RESIDENTS IN GARY; ONSITE CONSOLIDATION OF CONTAMINATED SEDIMENTS; GROUND WATER AND SURFACE WATER/SEDIMENT MONITORING; AND DEED RESTRICTIONS ON LANDFILLED PROPERTY AND INSTITUTIONAL CONTROLS ON AQUIFER USE. THE ESTIMATED CAPITAL COST OF THE REMEDY IS $4,747,000 WITH ANNUAL O&M COSTS OF $63,000.
 
Remedy:  - INSTALLATION OF A SOIL COVER OVER THE LANDFILL WITH A DRAINAGE BLANKET TO CONTROL SURFACE SEEPS.
- EXTENSION OF WATER MAINS FROM THE GARY-HOBART WATER DISTRIBUTION SYSTEM INTO THE COMMUNITY NORTH OF 29TH AVENUE, SOUTH OF 25TH AVENUE BETWEEN MORTON AND CHASE STREETS IN GARY.
- ONSITE CONSOLIDATION OF CONTAMINATED SEDIMENTS.
- GROUND WATER MONITORING ON A QUARTERLY BASIS AND SURFACE WATER/SEDIMENT AND SUPPLEMENTAL GROUND WATER MONITORING ON A SEMI-ANNUALLY BASIS.
- DEED RESTRICTIONS ON LANDFILL PROPERTY AND INSTITUTIONAL CONTROLS ON AQUIFER USE IN THE AFFECTED AREAS.
 
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