Doe Run Achieves National Ambient Air Quality Standard for Fourth Quarter 2007

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The Doe Run Company today announced its Herculaneum, Mo., facility met the National Ambient Air Quality Standard (NAAQS) for lead during the fourth quarter of 2007.

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We are pleased to have achieved the ambient air quality standard at all of our monitoring stations for the fourth quarter

The Doe Run Company today announced its Herculaneum, Mo., facility met the National Ambient Air Quality Standard (NAAQS) for lead during the fourth quarter of 2007.

According to data collected by Doe Run, the company’s 10 air monitoring stations in Herculaneum ranged from 0.2 to 1.4 micrograms of lead per cubic meter of air, placing the smelter within the Environmental Protection Agency-specified air quality standard of 1.5 micrograms of lead per cubic meter of air (averaged over a calendar quarter).

“We are pleased to have achieved the ambient air quality standard at all of our monitoring stations for the fourth quarter,” said Gary Hughes, general manager of Doe Run’s Herculaneum smelter. “We have made great progress toward implementing the control measures identified in the 2007 State Implementation Plan (SIP) by April, and we look forward to reaching our goal of consistent attainment in 2008.”

The SIP is a process used throughout the United States to improve air quality and help achieve federal air standards – in this case, for lead. Doe Run has made steady progress on design, engineering and procurement of the measures called for in the SIP.

For a complete SIP project listing, visit http://www.dnr.mo.gov/env/apcp/docs/2007revision.pdf.

Based in St. Louis, The Doe Run Company is a privately held natural resources company and the largest integrated lead producer in the Western Hemisphere. Dedicated to environmentally responsible mineral and metal production, Doe Run operates the world’s largest, single-site lead recycling facility, located in Missouri. The Doe Run Company and its subsidiaries deliver products and services necessary to provide power, protection and convenience. Doe Run has operations in Missouri, Washington and Arizona. For more information, visit http://www.doerun.com.

Contact:
Christi Dixon
cdixon @ standingpr.com
314-469-3500
http://www.doerun.com

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