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St. Louis Site (St. Louis Airport Site and Vicinity Properties, Latty Avenue
Properties, and St. Louis Downtown Site)
Hazelwood, St. Louis County, Missouri
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Office: Oak Ridge Operations Office
Size:
21.7 acres (0.03 square mile)
NPL Status:
Placed on the NPL on October 4, 1989, except St. Louis Downtown Site, which is
not an NPL site.
Mission:
The St. Louis Site, established as a storage site in 1946, stores residues,
contaminated scrap, and equipment generated by processing plants in St. Louis
from 1946 to 1969. Cleanup authority at the site was acquired by DOE under a
Congressional mandate and is managed by DOE under its FUSRAP. FUSRAP sites
comprise sites formerly associated with the Manhattan Engineer District Project
and the Atomic Energy Commission. Because these sites are not owned or operated
by DOE, they do not appear on the docket.
Overview of Environmental Conditions:
Onsite soil and groundwater contamination by radioactive constituents. Offsite
soil and sediment contamination also identified.
CERCLA/RCRA Remediation Funding in FY 95: $12,261,000
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Progress in Reaching Interagency Agreement
DOE and EPA Region VII executed an FFA for the St. Louis Site on June 26, 1990.
The St. Louis Site consists of the St. Louis Airport Site and Vicinity
Properties, and Latty Avenue Properties, all of which were added to EPA's NPL
in October 1989. An additional site, not included in the original 1989 NPL, is
being addressed in accordance with requirements stipulated in the FFA to make
the remediation process more efficient. This site, identified as the St. Louis
Downtown Site, is now part of DOE's FUSRAP program.
Specific Cost Estimates and Budgetary Proposals Involved in Each Interagency
Agreement
Funds budgeted for environmental restoration under the FFA total $14.1 million
of appropriated funding for FY 96 and $13.6 million for FY 97 according to the
request in the President's Budget.
Public Comments Regarding Interagency Agreements
No new public comments regarding the FFA were received in FY 95.
Progress in Conducting Remedial Investigations/Feasibility Studies
The RI/FS work plan for the St. Louis Site was approved by EPA Region VII in
calendar year 1991. A public scoping meeting for the preparation of an RI/FS
was held in January 1992. An RI report was approved by EPA Region VII in 1992.
Some limited additional field investigation was performed in FY 92 to
supplement the existing characterization data. The Initial Screening of
Alternatives was approved by EPA Region VII in FY 92. Based on the results of
the Initial Screening of Alternatives, an FS was prepared and issued for review
to EPA Region VII and the State of Missouri in FY 93.
EPA has delayed final approval of the FS, and DOE has agreed to reconsider the
remedy selection proposed in the draft proposed plan. EPA and DOE have agreed
to defer the ROD in order to solicit input from a St. Louis stakeholder group.
This group, named the St. Louis Site Citizens Task Force, was established in
September 1994. It consists of elected officials, state and Federal regulators,
public health officials, utility and business representatives, and interested
citizens.
Progress in Conducting Remedial Actions
Final remedial action will be implemented following signing of the ROD.
Proposals for interim cleanup measures have been made for properties in the
vicinity of the St. Louis Airport Site. Six privately owned vicinity properties
and two industrial properties have been cleaned up in FY 95. Interim cleanup
measures have been completed (the size of one city block) at the St. Louis
Downtown Site to accommodate site infrastructure work conducted by the site
owner, Mallinckrodt Incorporated.
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