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East Helena Superfund site cleanup continues after ASARCO smelter contamination.
East Helena’s Superfund site remains a focus of cleanup efforts following decades of contamination from the ASARCO smelter.
Remediation includes removing contaminated ponds and covering the former smelter area.
Elevated blood lead levels in children prompted health interventions, with officials urging families to test for exposure, though the selenium plume has shrunk.
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Continúa la limpieza del sitio de East Helena Superfund después de la contaminación de la fundición ASARCO.