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<p>Quantifying and monitoring diffuse particulate matter emissions presents surface mining operations with increasing regulatory and economic challenges. This study validated a&#xa0;modern, laser-based scattered light measuring device (Omnidots Swarm Air) in the real-world open-pit mining operation of the Golling limestone quarry (Leube Group) over a&#xa0;two-month period (May to July 2025).</p><p>The aim was to investigate the practical applicability of the IoT-based measurement system and to correlate the measured PM<sub>10</sub> and PM<sub>2.5</sub> emissions with the legal limits of the Austrian Air Pollution Control Act (IG-L) and with the official background data from the SAGIS station Hallein A10.</p><p>The results show that the legal daily mean limit of 50 g/m<sup>3</sup> was not exceeded at any time. The maximum daily mean measured value was 39 g/m<sup>3</sup>, while the arithmetic mean for the entire measurement period was 15 g/m<sup>3</sup>.</p><p>The measurement system proved to be highly reliable and provided precise temporal resolution, although software deficiencies were identified in data export and automatic system restart after power outages.</p>

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Kontinuierliche Immissionsüberwachung von Feinstaubemissionen bei der obertägigen Gewinnung mineralischer Rohstoffe: Eine Validierungsstudie am Ofenauerberg (Kalkwerk Golling)

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  • 发表日期：

    2026年7月10日

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  • Georg Hinterberger,
  • Christian Heiss

摘要

Quantifying and monitoring diffuse particulate matter emissions presents surface mining operations with increasing regulatory and economic challenges. This study validated a modern, laser-based scattered light measuring device (Omnidots Swarm Air) in the real-world open-pit mining operation of the Golling limestone quarry (Leube Group) over a two-month period (May to July 2025).

The aim was to investigate the practical applicability of the IoT-based measurement system and to correlate the measured PM10 and PM2.5 emissions with the legal limits of the Austrian Air Pollution Control Act (IG-L) and with the official background data from the SAGIS station Hallein A10.

The results show that the legal daily mean limit of 50 g/m3 was not exceeded at any time. The maximum daily mean measured value was 39 g/m3, while the arithmetic mean for the entire measurement period was 15 g/m3.

The measurement system proved to be highly reliable and provided precise temporal resolution, although software deficiencies were identified in data export and automatic system restart after power outages.