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Record of Decision System (RODS)



Address:  STATE ROUTE 54 AND I-80 
City & State:  VALLEY TOWNSHIP  PA  17821
County:  MONTOUR
EPA ID:  PAD980691372
EPA Region:  03
NPL Status:  Currently on the Final NPL
ROD Type:  Record of Decision
ROD ID:  EPA/541/R-98/013
ROD Date:  12/22/1997
Operable Unit(s):  05
Media:  Sediment, Soil, Solid Waste, Surface Water
Contaminant:  Metals, PAH, PCBs, VOC
Abstract:  Please note that the text in this document summarizes the Record of Decision for the purposes of facilitating searching and retrieving key text on the ROD. It is not the officially approved abstract drafted by the EPA Regional offices. Once EPA Headquarters receives the official abstract, this text will be replaced.

The 15-acre MW Manufacturing Site is located in Montour County, Pennsylvania (PA). The PA Department of Transportation (PennDOT) maintains a storage area immediately north of the site. Farmlands and wooded lots are adjacent to the site on the west and south. Mauses Creek flows in a southerly direction past the site on the east side of Route 54.

The MW Manufacturing Company, a subsidiary of Nivel Corporation, began operations in 1966. The MW Manufacturing Company was engaged in copper recovery from scrap wire, using both mechanical and chemical processes from 1969 to 1972. During this time, the mechanical processes generated the largest volume of waste (the fluff material that consists of insulating materials), and the chemical processes generated a waste containing high concentrations of organic compounds (the carbon waste). In November 1992, the State issued an order to MW Manufacturing Company to submit a plan to remove the fluff pile and remove contaminated water within 90 days. In 1973, Nivel Corporation filed for bankruptcy. Philadelphia National Bank forclosed the property and held it until 1976. In 1976, the property was acquired by a limited partnership between Warehouse 81 Inc., and Domino Salvage. From June 1982 to October 1983, Warehouse 81 conducted a mechanical recovery process to separate and salvage copper, plastic, and paper. Warehouse 81 is no longer active in the secondary recovery of copper from fluff.

In February 1987, a removal consent order was signed by the Environmental Protection Agency (EPA) and the current owners of the site, to supply water to the person living on site and to keep records of the water supply for five years. The site was proposed for the National Priorities List (NPL) in October 1984, and was placed on the NPL in June 1986. EPA organized the work at the site into three Operable Units (OUs).

OU1 consists of the carbon waste pile, a well-defined contaminant source, unique from other areas insize, composition, and contaminant concentrations. The granular carbon waste material was dumped on-site in a pile about 200 feet west of the main plant. This pile appears as a black, stained area on historical aerial photographs. A Record of Decision (ROD) was issued in March 1989, for OU1 and remedial action was completed in March 1992.

OU2 addresses the following areas: four wire-fluff waste piles, a surface impoundment, a buried lagoon, contaminated soils, drums, and storage tanks. The fluff waste consists of fibrous insulation material mixed with bits of plastic. Phthalate esters, copper, lead, and chlorinated solvents are all present in this material. It appears that the solvents were introduced into the fluff waste when Warehouse 81 Inc. used contaminated groundwater in their fluff recovery operations as no solvents were used during the original mechanical stripping operations. A ROD for OU2 was issued in June 1990, but was reopened by petition in 1993, and a second ROD was issued in December 1997 as a re-evaluation of the 1990 OU2 ROD as OU5.

A ROD for OU3, which addresses the contamination of the groundwater and the wetland areas adjacent to the site, was signed in September 1992. Unilateral Administrative Orders were issued in March 1993, to each PRP to conduct the Remedial Design/Remedial Action for OU3. During the design phase of OU3, EPA decided to split it into two operable units: OU3 and OU4.
Remedy:  The selected remedy involves preparing the site by clearing vegetation and providing temporary sedimentation and erosion control. Soils, lagoon sediments, and fluff will undergo ex-situ stabilization; stabilized materials will backfill excavated areas. Low temperature thermal desorption will be employed to treat soils containing nonaqueous phase liquids. Areas of the site will be covered with two feet of soil and revegetated to control ponding and soil erosion. All debris will be removed, and materials in tanks and drums will be disposed of off-site in an appropriate facility. Lagoon water will be drained, treated physically and or chemically if needed, and discharged to an unnamed tributary of Mauses Creek adjacent to the site and/or to an industrial process. Institutional controls, including deed restriction, and long-term operation and maintenance activities will restrict land uses and provide site security.

Estimated Capital Costs: $6,924,062
Estimated Annual O&M Costs: $346,203 (years 1-2); $12,000 (years 3-30) Estimated Present Worth Costs: $8,752,530
Text:  View full-text ROD [ 89K ]
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