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Record of Decision System (RODS)



City & State:  NOCKAMIXON TOWNSHIP  PA  18972
County:  BUCKS
EPA ID:  PAD051395499
EPA Region:  03
NPL Status:  Currently on the Final NPL
ROD Type:  Record of Decision
ROD ID:  EPA/ROD/R03-94/180
ROD Date:  12/27/1993
Operable Unit(s):  01
Media:  soil contamination
Contaminant:  VOCs
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 113-acre Revere Chemical Site is located in Nockamixon Township, Pennsylvania. It includes two unnamed tributaries of Rapp Creek. The area surrounding the Site includes recreational streams, forests, fields, and Pennsylvania State Game Lands. Nockamixon State Park is located approximately 4,700 feet northeast of the Site. Nockamixon Lake is located within the boundaries of the park and has a surface area of 1,450 acres. The Site is bounded on the south, east, and west by farmland. Two types of wetlands, Riverine and Palustrine, are found on the site. The Site is drained by the east and west tributaries that join in the southeast portion of the site and discharge to Rapp Creek.

Facility documents regarding the Revere Chemical Company were destroyed in a 1984 fire at the Site. Its history has been pieced together using documents from the EPA, Pennsylvania Department of Environmental Resources (PADER), and Bucks County Department of Health. Beginning in 1963, Echo Inc. operated a reclamation facility. Echo's operations included reclamation of metals from printed circuit boards, recycling of spent chromic acid, recovery of copper from plating solutions and production of copper chemicals. From 1963 to 1969 the Site was operated at various times by Echo Inc., the DeRewal Chemical Company and the Revere Chemical Company. The companies arranged for the transport and in-site treatment of hazardous substances, including waste metal plating and etching solutions.

The area of the Site used for the processing of materials covered 25 acres. In this area, there is a process area, 19 storage and/or process lagoons, the remains of a waste lagoon, and a fresh water pond. The east and south Spray fields are located outside the process area. These fields were used for liquids disposal during the metal reclamation process.

In 1968, the Bucks County Department of Health determined that the waste material was escaping from the processing and holding lagoons on the Site and into the unnamed tributaries of Rapp Creek. In December 1969, the Site was abandoned by the operators.

In March 1970, PADOH took samples of materials in the process basins and lagoons, and concluded that the facility used chromic acid, copper sulfate, ammonia, ferric chloride, nickel, and sulfuric acid. From 1970 to 1971, PADOH removed 3.5 million gallons of waste sludge and liquids. The remaining sludge were stabilized with lime, sodium sulfate and sodium sulfite, mixed with native soils, and buried on-site in process lagoons and storage lagoons.The EPA performed additional response work at the Site from March 28 through April 17, 1984. This included the removal of 30 drums containing chromic acid and etching wastes, and 30 cubic yards of chemical solids from surface soils and the laboratory.

The Site scored a 31.31 on EPA's HRS. The site was placed on the NPL on July 22, 1987.

The EPA entered into an Administrative Consent Order in December 1988 to conduct a Remedial Investigation and Feasibility Study (RI/FS) with the following respondents: AT&T Technologies, Inc; Carpenter Technology Corporation; International Business Machines Corporation; and Yates Industries, Inc. EPA issued an Administrative Order for Response Action to the PRPs to remove excavated drums and associated wastes staged on-site during the RI and the implementation of soil erosion and sedimentation controls.

This ROD addresses the first Operable Unit (contaminated soil areas, solid waste, and miscellaneous debris) and is the final remedy. EPA anticipates issuing a final ROD for Operable Unit Two within the next year. The volatile organic soil contamination represents the principal threat.

The remedy status for the media addressed in this ROD are as follows: Soil 1 is Final Action. The media volume associated with this site is not documented. Solid Waste 1 is Final Action. The media volume associated with this site is not documented. The state concurs with the selected remedy.
Remedy:  The selected remedial action for this site includes disposing of solid waste and debris offsite at an EPA-approved facility; waste characterization for hazardous constituents will be determined prior to disposal; excavating all buried drums and disposing at an EPA-approved facility; removing and disposing asbestos from the sides of the Process Building; treating VOC contaminated soil in the entire process area (approximately 25 acres) by in-situ vacuum extraction; treatment for soils containing more than 22.8 mg/kg total VOC in the soil column from surface to bedrock; containing the source (former collection basins) with a slurry wall and clay cap; fencing to limit access to capped areas; restoring the site by revegetation; implementing deed restrictions; and long-term groundwater monitoring. The cost for the cleanup of this site is currently unavailble.
Text:  View full-text ROD [ 104K ]
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