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Superfund / NPL site · EPA Superfund SEMS through latest publishNPL Final

St. Louis Airport/Hazelwood Interim Storage/Futura Coatings Co.

This site is currently on the EPA Superfund National Priorities List and remains under federal cleanup oversight. Most-cited contaminant of concern: Arsenic.

Brown Road N Of Airport, St. Louis County, Missouri · ZIP 63145 · EPA ID MOD980633176

See St. Louis ContaminantsEquity contextHow we read Superfund data
CLEANUP TIMELINE

Listing-date and cleanup-phase enrichment from EPA's per-site SEMS profile is queued for a follow-up ingest pass. Until then, this section will populate from EPA's published timeline data.

Anomaly engine

Notable Signals

No notable signals at this Superfund site for the current ingest. Cleanup-phase and SEMS-action flags are deferred to a follow-up engineering pass.

Contaminants of concern · per EPA SEMS

What's In This Site

Each row pairs a contaminant with the medium it was found in (the exposure pathway). Hover any named contaminant for an agency-cited health-risk summary. Cited count = number of SEMS decision records (RODs and related) that name the pair.

ContaminantPathwayCited
ArsenicHealth riskIARC Group 1 carcinogen via inhalation and ingestion. EPA MCL 10 µg/L; chronic exposure causes skin, lung, bladder cancer and cardiovascular disease. (IARC, EPA, ATSDR)Soil2
CadmiumSoil2
Radium-226Health riskIARC Group 1 carcinogen (Ra-226 and Ra-228); bone-seeking radionuclide; alpha emitter. EPA combined MCL 5 pCi/L for radium-226+228 in drinking water. (IARC, EPA)Soil2
Thorium-230Health riskIARC Group 1 carcinogen (alpha emitter); bone- and liver-seeking; long-lived. (IARC, EPA)Soil2
UraniumHealth riskIARC Group 1 carcinogen; chemical kidney toxicity exceeds the radiological risk at most environmental levels. EPA MCL 30 µg/L total uranium. (IARC, EPA)Soil2
Uranium-238Health riskIARC Group 1 carcinogen; chemical kidney toxicity exceeds the radiological risk at most environmental levels. EPA MCL 30 µg/L total uranium. (IARC, EPA)Soil2
AntimonyHealth riskInhaled antimony trioxide is an IARC Group 2B possible carcinogen; respiratory and cardiovascular effects from long-term exposure. EPA MCL 6 µg/L. (IARC, EPA)Soil1
BariumHealth riskSoluble barium compounds are toxic if ingested, affecting the heart, kidneys, and nervous system. Insoluble forms (e.g. barium sulfate) are far less toxic. (EPA)Soil1
ChromiumHealth riskHexavalent chromium (Cr-VI) is an IARC Group 1 carcinogen via inhalation, causing lung cancer; trivalent chromium is far less toxic. (IARC, EPA)Soil1
MolybdenumSoil1
NickelHealth riskNickel compounds are IARC Group 1 carcinogens; inhalation exposure raises lung and nasal cancer risk. (IARC)Soil1
Radium-226Health riskIARC Group 1 carcinogen (Ra-226 and Ra-228); bone-seeking radionuclide; alpha emitter. EPA combined MCL 5 pCi/L for radium-226+228 in drinking water. (IARC, EPA)Sediment1
SeleniumSoil1
ThalliumSoil1
Thorium-230Health riskIARC Group 1 carcinogen (alpha emitter); bone- and liver-seeking; long-lived. (IARC, EPA)Sediment1
Thorium-232Health riskIARC Group 1 carcinogen (alpha emitter); bone- and liver-seeking; long-lived. (IARC, EPA)Soil1
Uranium-235Health riskIARC Group 1 carcinogen; chemical kidney toxicity exceeds the radiological risk at most environmental levels. EPA MCL 30 µg/L total uranium. (IARC, EPA)Soil1
Uranium-238Health riskIARC Group 1 carcinogen; chemical kidney toxicity exceeds the radiological risk at most environmental levels. EPA MCL 30 µg/L total uranium. (IARC, EPA)Sediment1
Vanadium, Metal And/Or AlloySoil1
Drinking-water linkage · SDWIS

No Groundwater PWSes Serving Communities Within 3 Miles

No SDWIS public water systems drawing groundwater (or mixed sources) serve a community whose centroid sits within 3 miles of this site. Empty results are not a guarantee of non-impact — distance is computed to served-place centroids, and SDWIS does not expose individual wellhead locations.

Methodology: served-city centroid (TIGER 2020) is used as the PWS coordinate. Source-water classification from SDWIS primary_source_code; only groundwater and mixed-source systems are queried. Click any system above for its full SDWIS profile.

Equity context · ACS 2018-2022 block-group demographics

Who Lives Near This Site

Within 1 mile of this site (1 Census block groups, population-weighted demographics): a population of 832. Why we surface this →

POPULATION SHARE
79.9%

Low-income

POPULATION SHARE
95.6%

People of color

POPULATION SHARE
12.6%

Under age 5

POPULATION SHARE
11.9%

Over age 64

Source: Census ACS 2018-2022 block-group demographics, population-weighted across the 1-mile buffer around this site (from USEPA-clone/EJAM-open blockgroupstats). NPL site proximity contributes to the national EJ pattern; indicator-level percentile and disparity scores are surfaced on the county page and the state page.

Source. EPA Superfund Enterprise Management System (SEMS) · retrieved 2026-05-07. SEMS is a federal public-domain dataset under 17 USC §105.

What this is not. We report EPA's published Superfund record — site listing, status, and contaminants of concern as named in EPA's decision documents. We do not perform site visits, independent air or water sampling, or current-state health-risk assessment. NPL listing reflects EPA's Hazard Ranking Score at a point in time; it does not by itself describe present-day exposure.