Address: 460 Sherman St.
Herculaneum, MO 63048
County: Jefferson
Pollutant monitored: Lead (Pb)
Date established: Jan. 1, 1982
Site Coordinates
* Latitude: 38.27176°
* Longitude: -90.37648°
EPA Site Nos.: 29-099-0013 and 29-099-9004

Both the state of Missouri and the Doe Run Co. operate air monitoring sites for lead on Sherman Street. These stations and several others track concentration of airborne lead near Doe Run's facility in Herculaneum. Doe Run shut down its primary lead smelter in Herculaneum in 2013; it now has a refinery and strip mill in Herculaneum as well as alloying and casting operations. The state and industrial air monitors track exposure of a portion of the population to airborne lead, and they will help determine whether the area is in compliance with the lead standard, especially now that the Herculaneum primary smelter no longer is running.

Lead (Pb) Data*

The primary and secondary ambient air standards for lead have remained at 0.15 micrograms per cubic meter since 2008. The primary standard reflects EPA's concern for public health while the second standard demonstrates concern for public welfare. EPA bases the standard on the highest rolling three-month average over a period of three years and two months. A monitoring site meets the standard when this rolling three-month average is less than or equal to 0.15 μg/m3.

Preliminary lead data
• Information about 2008 standard and EPA requirements
• Three-month average lead concentrations for the most recent 12 months
• Map of lead monitoring sites

Trends in design values for state-operated sites in the Herculaneum area, 2004-2017
• Note that design values for a site on Sherman Street appear on both this graph and the one, below, for industry sites.

Trends in design values for industry sites in the Herculaneum area, 2004-2017
• Note that design values for an air monitoring station at this site appear on both this graph and the one, above, for state-operated sites. Both the state of Missouri and Doe Run Co. monitor lead at this site.

Department's webpage about airborne concentrations of lead
• Description, health effects and historical information
• 2008 standard and related documents

Related Links

Missouri map with network of air monitoring sites

Real-time views from department's cameras in Kansas City, St. Louis

Department's webpage about air quality
• Air quality forecasts for St. Louis, Kansas City and Springfield during ozone season: March 1 through October 31
• Tips for improving air quality
• Tips for breathing better when air quality is forecasted to be unhealthy for sensitive groups (orange) or unhealthy (red)

AirNow.gov
• Air quality forecasts for U.S. cities
• Air quality information from EPA

National standards for pollutants

EPA Air Sensor Toolbox for Citizen Scientists