# SAUGET AREA 2 UNILATERAL ADMIN ORDER (CERCLA)
> **Administrative - Formal** · FY2002 · — · —
## Case
- **Activity ID:** `86735`
- **Case Number:** 05-2002-0369
- **Type:** Administrative - Formal
- **Lead:** EPA
- **Outcome:** —
- **Penalty assessed:** —
- **Cost recovery:** —
- **Compliance action $:** —
- **Multimedia (multi-env):** —
## Defendants
- A-1 OIL CORP (settlement)
- AALCO WRECKING & SUPPLY CO (settlement)
- ABCO TRASH SERVICE & EQUIPMENT CO (settlement)
- ALTON & SOUTHERN RAILROAD (settlement)
- AMERICAN ZINC CO (settlement)
- BARRY WEINMILLER STEEL FABRICATION (settlement)
- BI-STATE DEVELOPMENT AGENCY (settlement)
- BI-STATE PARKS AIRPORT (settlement)
- BI-STATE TRANSIT CO (settlement)
- BLISS WASTE OIL INC (settlement)
- BLUE TEE CORP (settlement)
- BROWNING FERRIS INDUSTRIES OF NORTH AMERICA (settlement)
- CAHOKIA TRUST PROPERTIES (settlement)
- CARGILL INC (settlement)
- CENTURY ELECTRIC (settlement)
- CENTURY FOUNDRY (settlement)
- CERRO COPPER PRODUCTS COMP (settlement)
- CHEMICAL WASTE MANAGEMENT INC (settlement)
- CLAYTON CHEMICAL LIMITED LIABILITY CORP (settlement)
- CON-AGRA INC (settlement)
- CORKERY FUEL COMPANY (settlement)
- CROWN CORK & SEAL CO INC (settlement)
- DAVID HAULING (settlement)
- DENNIS CHEMICAL CO INC (settlement)
- DISPOSAL SERVICES CO (complaint) (settlement)
- DOTSON DISPOSAL ALL SERVICE (settlement)
- DOW CHEMICAL (settlement)
- EAGLE MARINE INDUSTRIES INC (settlement)
- EDGEMONT CONSTRUCTION (settlement)
- EDWIN COOPER INC (settlement)
- EIGHT & TRENDY METAL CO (settlement)
- EMERALD ENVIRONMENTAL GROUP LLC (settlement)
- ETHYL CORP (settlement)
- ETHYL PETROLEUM ADDITIVES, INC. (settlement)
- EVANS BROTHERS (settlement)
- EXXONMOBIL CORP (FORMERLY MOBIL) (settlement)
- FRUIN-COLNON CORP (settlement)
- GOLD FIELDS AMERICAN CORP (settlement)
- HILLTOP HAULING (settlement)
- HUFFMEIER BROTHERS (settlement)
- ILLINOIS DEPARTMENT OF TRANSPORTATION (settlement)
- INDUSTRIAL SALVAGE & DISPOSAL CO (settlement)
- INMONT CORP (settlement)
- KERR MCGEE (settlement)
- LEAD AND SMELTING CO (settlement)
- MALLINCKRODT CHEMICAL (settlement)
- MANOR CHEMICAL (settlement)
- MIDWEST RUBBER RECLAIMING (settlement)
- MOBIL OIL CORPORATION (settlement)
- MONSANTO CHEMICAL CO (settlement)
## Summary

This Order directs Respondents to perform a remedial design for the Groundwater Operable Unit (OU) described in the Record of Decision, dated September 30, 2002, and to implement the design by performing an interim remedial action.   Operable Unit  or ���OU��� pertains to the groundwater contamination releasing to the Mississippi River adjacent to Sauget Area 2 disposal Site R and the resulting impact area.  The selected remedy includes the installation of a 3,500 foot long,  U -shaped, fully penetrating, jet grout barrier wall to be installed between the downgradient boundary of Sauget Area 2 Site R and the Mississippi River (See Figure 9-1) to abate the release of impacted groundwater.  Three partially penetrating groundwater recovery wells will be installed inside the  U -shaped barrier wall to control groundwater moving to the wall.  Groundwater quality, groundwater level, sediment and surface water monitoring will be used to ensure acceptable performance of the interim groundwater remedy.  Extracted groundwater will be treated and ultimately discharged to the Mississippi River in compliance with all applicable or relevant and appropriate requirements (ARARs)

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