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Anaconda Aluminum Co. /Milgo Electronics Corp.


Photo of the Anaconda/Milgo site.

Additional Resources
Site Summary Profile
EPA ID: FLD020536538
Location: Miami, Dade County, FL
Lat/Long: 25.843060, -080.256530
Congressional District:17
NPL Status: Proposed: 10/26/89; Final: 08/30/90; Deleted: 08/30/90
Affected Media: Ground water, Soil, Sediment
Cleanup Status: Deleted from the NPL
Human Exposure Under Control: Yes
Groundwater Migration Under Control: This is not a ground water site
Sitewide Ready for Anticipated Use: Yes
Site Reuse/Redevelopment: In reuse – industrial land uses are located on site
Site Manager: Bill Denman (denman.bill@epa.gov)

Current Site Status

The Anaconda Aluminum Co./Milgo Electronics Corp. site includes the area where electrochemical aluminum coating operations took place from 1957 until 1984. EPA placed the site on the National Priorities List (NPL) in 1990 because of contaminated ground water and soil resulting from facility operations. EPA, the Florida Department of Environmental Protection (FDEP), and Anaconda Aluminum Company and Milgo Electronics Corporation, the site’s potentially responsible parties (PRPs), have investigated site conditions and taken steps to clean up the site in order to protect people and the environment from contamination. After PRPs removed all soil contamination, EPA determined that the site no longer threatened people living or working near the site or the environment. EPA did not require further cleanup activities and deleted from the NPL in 1998.

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Site Location and Background

The 3-acre site is located at 3630 Northwest 76th Street in an industrial area in Miami, Florida. Electrochemical aluminum coating operations occurred at the site from 1957 until 1983. The site includes a 1-acre area where Anaconda Aluminum Company operated from 1971 until 1983 and a 0.5-acre area where Milgo Electronic Corporation operated from 1961 until 1984. A mobile home park borders the site to the east. Railroad tracks border the site to the south. Industrial and commercial businesses border the site to the north and west. Surrounding land uses include industrial, commercial and residential land uses.  Several other Superfund sites are located within a few miles of the site. In 1990, EPA listed the site on the NPL. Industrial operations, warehouses and a boat manufacturing facility currently operate at the site.

View site location map.

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Threats and Contaminants

Site investigations found contamination in ground water, soil and sediment that could potentially harm people in the area. Ground water, soil and sediment contamination resulted from facility operations and waste handling practices at the site. Contaminants of concern include cyanide, cadmium, leadzinc, iron, seleniumchromiumcopper, mercury and arsenic.

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Investigation and Cleanup Responsibility / Oversight

Anaconda Aluminum Company and Milgo Electronics Corporation, the site’s PRPs, led site investigation and cleanup activities, with oversight provided by EPA and FDEP.

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Site Cleanup Plan

In 1994, EPA issued a cleanup plan (a Record of Decision, or ROD) for the site. The plan documented EPA’s decision that no cleanup action was required. The plan included quarterly monitoring of on-site ground water for one year to confirm the appropriateness of the no-cleanup action plan.

Summaries of site cleanup approaches are also available online in key site cleanup documents, including the ROD.

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Cleanup Progress

In 1993, site PRPs removed all contaminated soils. Follow-up investigations confirmed that the site no longer posed a threat to public health or the environment. PRPs completed required ground water monitoring in 1995. In 1998, EPA determined that the site did not threaten human health or the environment and deleted the site from the NPL.

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Enforcement Activities

EPA negotiated legal agreements with the site’s PRPs to investigate and clean up the site. The PRPs funded site cleanup, monitoring and oversight activities.

The ROD online provides additional information on specific legal agreements for the site.

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Community Involvement

EPA worked with the community and its state partner to develop a long-term cleanup plan for the site, reflecting the Agency’s commitment to safe, healthy communities and environmental protection. Community engagement and public outreach are core components of EPA program activities.

EPA conducted a range of community involvement activities at the site to solicit community input and to make sure the public remains informed about site activities throughout the cleanup process. Outreach efforts have included public notices and information meetings.

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Future Work

EPA deleted the site from the NPL in 1998.

EPA does not require Five-Year Reviews for the site.

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Additional Information

EPA keeps additional site documents and information in a site information repository at the location below. EPA also posts site documents, when available, on EPA’s CERCLIS Site Profile page. For documents not available on the website, please contact the Region 4 Freedom of Information Office.

Site Repository

North Central Library
9590 N.W. 27th Avenue
Miami, FL  33147

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