Overview
ArcelorMittal-Burns Harbor Site 1 is an air monitoring station in Portage, Indiana, operated by Cleveland-Cliffs, Inc. It monitors ambient air quality near a major steel manufacturing facility.
ArcelorMittal-Burns Harbor Site 1 is an air monitoring station located at the Port of Indiana in Portage, Indiana, United States. The station is part of the environmental monitoring network operated by Cleveland-Cliffs, Inc., and is situated in an industrial area with significant steel production activities. The station operates under the U.S. EPA's Air Quality System (AQS) framework, which sets standards for criteria pollutants such as PM2.5, PM10, ozone, nitrogen dioxide, sulfur dioxide, carbon monoxide, and lead. Monitoring at this site likely focuses on emissions from nearby industrial sources, including the ArcelorMittal Burns Harbor steel mill. The station's last reported sample date is September 30, 2025, indicating ongoing data collection. This monitoring station plays a critical role in assessing air quality impacts from industrial operations in the region. Data collected supports regulatory compliance with National Ambient Air Quality Standards (NAAQS) and informs local air quality management decisions. The station contributes to the broader network of monitoring sites that protect public health and the environment in the Lake Michigan industrial corridor.
Environmental context
The station is located in Porter County, Indiana, within the Chicago-Gary-Lake Michigan industrial corridor. This area has a history of heavy industry, including steel manufacturing, which can contribute to elevated levels of particulate matter and other pollutants. Monitoring at this site helps assess the effectiveness of emission controls and ensures compliance with NAAQS. The station's proximity to Lake Michigan also allows for evaluation of regional air quality patterns influenced by lake breezes and industrial plumes.
Frequently asked questions
The station is located at the Port of Indiana, 6600 US Highway 12/E. Boundary Rd., Portage, Indiana, United States.
As an air monitoring station, it measures ambient air pollutants such as particulate matter, ozone, and other criteria pollutants to assess industrial air quality impacts.
The station is operated by Cleveland-Cliffs, Inc., a major steel producer, as part of its environmental monitoring program.
Air monitoring stations in the U.S. operate under the EPA's Air Quality System (AQS) and must comply with National Ambient Air Quality Standards (NAAQS) set by the Clean Air Act.
Air monitoring near industrial sites helps detect pollutant levels, ensure compliance with health-based standards, and protect surrounding communities from potential emissions.
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