Overview
West Entrance is an air monitoring station in Boss, Missouri, operated by Doe Run Herculaneum. It monitors ambient air quality in Iron County, contributing to the US EPA Air Quality System network.
West Entrance is an air monitoring station located at 18594 Hwy KK in Boss, Missouri, within Iron County. Operated by Doe Run Herculaneum, the station is part of the broader US EPA Air Quality System (AQS) network, which tracks criteria pollutants and other atmospheric parameters across the United States. The station reports data to the EPA AQS, with the most recent sample collected on September 30, 2025. While specific parameters measured are not detailed, typical air monitoring stations in this network measure pollutants such as ozone, particulate matter, carbon monoxide, sulfur dioxide, and nitrogen dioxide. The station's siting in a rural area near a mining and smelting operation suggests a focus on industrial emissions monitoring. West Entrance serves as a key environmental monitoring asset for the region, providing data that supports regulatory compliance and public health assessments. Its location near the Doe Run facility underscores its role in tracking potential air quality impacts from industrial activities, contributing to the overall air quality management framework in Missouri.
Environmental context
The station is situated in a rural area of Iron County, Missouri, near the Doe Run lead mining and smelting operations. This industrial context makes monitoring of particulate matter and heavy metals particularly relevant. The station's data supports the EPA's National Ambient Air Quality Standards (NAAQS) compliance efforts and provides baseline air quality information for the region. Its location also contributes to understanding local air quality patterns influenced by both industrial sources and natural background conditions.
Frequently asked questions
The West Entrance air monitoring station is located at 18594 Hwy KK in Boss, Missouri, within Iron County, United States.
The station is operated by Doe Run Herculaneum, a company involved in lead mining and smelting operations in the region.
Air monitoring stations in the EPA AQS network typically measure criteria pollutants such as ozone, particulate matter, carbon monoxide, sulfur dioxide, and nitrogen dioxide.
The station operates under the US EPA Air Quality System (AQS) network, which supports compliance with the National Ambient Air Quality Standards (NAAQS) established by the Clean Air Act.
The station provides ambient air quality data near a major industrial facility, helping to assess potential impacts from lead mining and smelting operations and supporting public health protection.
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