Superfund Information Systems: Site Profile

Superfund Site:

BLUE RIDGE PLATING COMPANY
ARDEN, NC

Cleanup Activities

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Background

The Blue Ridge Plating Company site is located in Arden, Buncombe County, North Carolina. It includes the area where Blue Ridge Plating Company has operated a metal plating facility since 1974. EPA placed the site on the Superfund program’s National Priorities List (NPL) in 2005 because of contaminated groundwater and soil resulting from facility operations.

EPA and the North Carolina Department of Environment and Natural Resources (NCDENR) have investigated site conditions and taken steps to clean up the site in order to protect people and the environment from contamination. Site contamination does not currently threaten people living and working near the site. A water line connects residences and businesses to the public water supply. By monitoring groundwater and undertaking Five-Year Reviews, EPA and NCDENR continue to protect people and the environment from site contamination.

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What Has Been Done to Clean Up the Site?

The site includes the facility building where metal plating operations take place. Commercial and industrial businesses surround the site. Two residences and an apartment complex are located west of the site which include low-income and minority residents.

 
  • From 1974 to 1985, operations included collection of metal plating wastes in drums located in the basement of the facility. Operations filtered out plating sludge, discharged the wastewater to a 70,000-gallon in-ground concrete pond located behind the facility and disposed of plating sludge off site.
  • Between 1985 and 1990, operations discharged wastewater to the local public sewer system. In 1990, the local government suspended the facility’s access to the sewer system because wastewater did not meet pretreatment requirements. After 1990, the company employed a closed loop waste recovery system, which was located in the facility basement.
  • EPA, with the cooperation of NCDEQ, conducted a Remedial Investigation and Feasibility Study (RI/FS) at the Site between 2002 and 2004 using federal funds as the Blue Ridge Plating Company could not fund the RI/FS.
  • EPA issued the Record on Decision (ROD) in 2004. The ROD specifies how a Superfund site is to be cleaned up. Actual cleanup activities began in November 2006 and were completed in September 2007.
  • In 2005, EPA listed the site on the NPL. In June 2008, EPA issued an Explanation of Significant Difference (ESD) to correct the groundwater cleanup level for 1,1-dichloroethane in Table 18 of the 2004 ROD.
  • As part of the 2006 remedial action, EPA excavated and disposed of 8,737 cubic yards of contaminated soil at an off-site facility. The area was regraded and revegetated .As part of the 2006 remedial action, EPA excavated and disposed of 8,737 cubic yards of contaminated soil at an off-site facility. The area was regraded and revegetated .
  • In 2007, EPA installed four groundwater monitoring wells and an additional five groundwater monitoring wells in 2012 to identify the source and extent of trichloroethene in the groundwater. Annual groundwater monitoring activities at the site are ongoing.
  • EPA’s sponsored time-critical removal action included removing all chemicals from the building, removing asbestos from the building, demolition of the building, the removal of the concrete flooring, and all contaminated soils underneath the flooring of the building (3,950 tons), and the abandonment of an old supply well.
  • A joint inspection was conducted by the EPA Region 4 RCRA program and NCDENRs RCRA Section in April 2013. During this inspection, a variety of issues were observed, including leaking and unlabeled containers.
  • A City of Asheville Inspection report from the Fire Marshalls Office dated October 29, 2013 indicated the presence of hazardous substances on site. An inventory of the hazardous substances believed to still remain at the site include hydrochloric acid, sulfuric acid, cyanides and various unknowns.
  • On December 18, 2013, the City of Asheville determined that the building to be unsafe and advised tenants to stay out. After a review of Site conditions, the EPA-Emergency Response and Removal Branch (ERRB) concluded that the Site meets the criteria as set forth for a time-critical removal action.
  • The removal action was completed in July 2016.

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What Is the Current Site Status?

The 2004 ROD required digging up contaminated soil; stabilizing and transporting contaminated soil to an off-site landfill for disposal; sampling excavated areas, backfilling the areas with clean soil, and grading and revegetating the areas; using monitored natural attenuation to address groundwater contamination; and placing institutional controls on contaminated properties.

EPA is conducting groundwater monitoring activities at the site. The first Five-Year Review was completed in 2012.

  • The five-year review concluded that remedy at the Site currently protects human health and the environment in the short term because
  1. the soil contamination was remediated through source removal and
  2. currently, no human exposure pathways exist to contaminated groundwater as municipal water is supplied at and surrounding the Site.

However, in order for the remedy to be protective in the long-term, the following actions need to be taken to ensure long-term protectiveness: implement institutional controls, complete delineation of the volatile organic compound plume, and issue an Explanation of Significant Difference to

  1. allow the collection of additional groundwater data to complete the evaluation of monitored natural attenuation and
  2. revise performance standards for 1,1-DCA and cyanide.

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Activity and Use Limitations

At this site, activity and use limitations that EPA calls institutional controls are in place. Institutional controls play an important role in site remedies because they reduce exposure to contamination by limiting land or resource use. They also guide human behavior. For instance, zoning restrictions prevent land uses – such as residential uses – that are not consistent with the level of cleanup.

For more background, see Institutional Controls.

Institutional controls to restrict groundwater use were placed on the property in March 2017.

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Enforcement Information

The property was sold in March 2017. There were two key components of the negotiated settlement between EPA and Blue Ridge Plating Company: first, any/all proceeds from the sale of the property were to be given to EPA to help defray costs incurred by EPA during the RI/FS, site cleanup, and the time-critical removal action EPA conducted between December 2014 and July 2015; The second key component was that Blue Ridge Plating Company would place institutional controls on the property using NCDEQ Declaration of Perpetual Land Use Restrictions (DPLURs) process.

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