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Air quality concerns linger in the wake of plant explosion
abcnews.go.com/Business/wireStory/air-quality-concerns-linger-wake-steel-plant-explosion-124663288
Allegheny County is increasing air quality monitoring after an explosion at a U.S. Steel plant south of Pittsburgh killed two people and injured more than 10 others
This story appeared on abcnews.go.com, 2025-08-15 00:05:17.