Doe Run attains ambient air quality standard in fourth quarter

On January 23, The Doe Run Co announced that all eight of its air monitors near the company’s Herculaneum, Missouri, USA, smelter, successfully met the National Ambient Air Quality Standard (NAAQS) for lead during the fourth quarter of 2008. This marks the third consecutive quarter of attainment since Doe Run completed installation of the 60-plus engineering and administrative control measures outlined in the 2007 State Implementation Plan (SIP). (more…)

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