Superfund Information Systems: Site Profile

Superfund Site:

UNITED NUCLEAR CORP.
CHURCH ROCK, NM

Redevelopment

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About the Superfund Redevelopment Initiative

This nationally coordinated effort provides EPA and its partners with a process to return Superfund sites to productive use. Learn more at Superfund Redevelopment Initiative.

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Economic Activity at the Site

As of December 2016, EPA did not have economic data related to on-site businesses, or economic data were not applicable due to site use. For additional information click here.

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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.

The 1988 ROD did not formally establish any ICs; however certain enforcement documents, governmental controls, and informational controls are in place. UAO, Docket No. CERCLA 6-11-89 (issued on June 29, 1989), remains in force and it requires ground water remediation. In addition, the UNC Site Source Materials License No. SUA-1475 remains in effect. It requires that the UNC Site be managed to prevent contaminant exposure, including exposure to those contaminants in the ground water. Restrictions to the use of the on-site ground water will continue after the License is terminated by the NRC and the property is turned over to the DOE for long-term care and surveillance monitoring. However, there are currently no ICs restricting the use of seepage-impacted ground water that has advanced beyond the NRC Licensed Site boundary in Sections 2, 10, 3 and on Navajo Trust land to the north of Section 36. Informational controls such as signs are found near the Tailings Disposal Area. Barbed-wire fence (with “No Trespassing” signs) surround the UNC Site.

No proprietary controls establishing land use restrictions are in place. However, discussions continue regarding their potential utility and effectiveness. It is likely that some form of land and/or ground water use control will become necessary to ensure long-term protectiveness, by preventing exposure to contaminated ground water that has migrated off-Site.

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