东海伦纳超级基金清理现场继续在ASARCO炼厂污染后. East Helena Superfund site cleanup continues after ASARCO smelter contamination.

东海伦纳的超级基金地仍然是清理工作的重点, East Helena’s Superfund site remains a focus of cleanup efforts following decades of contamination from the ASARCO smelter. 整治包括清除污染的池和覆盖前炼油厂区域. Remediation includes removing contaminated ponds and covering the former smelter area. 尽管量已经减少, 但仍有大量的儿童血中含水平升高促使卫生部门采取干预措施. Elevated blood lead levels in children prompted health interventions, with officials urging families to test for exposure, though the selenium plume has shrunk.