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This study is part of a comprehensive study investigating the prevalence and quantification of Silicosis in Rajasthan. It documents a thorough assessment of fine particulate matter (PM), primarily Silica, within a stone-crushing unit. PM1 accounts for 46% of PM2.5 emissions and 88% of particles have aerodynamic diameters between 5 and 10 µm. The presence of respirable crystalline silica (RCS) in ambient air is more than 40%, as obtained from Fourier-transform infrared spectroscopy (FTIR) and X-ray diffraction analysis (XRD) analysis. Spirometry tests on 28 workers provide vital health information, with 13 persons (46%) having Forced vital capacity (FVC) values less than 80% of the predicted value, indicating probable obstructive lung diseases. Furthermore, 62% of subjects have lung ages that exceed anticipated values, indicating the presence of respiratory problems. The amalgamated findings emphasize the imperative for heightened safety protocols, health assessments, and stringent regulations to mitigate harmful particulate exposure, safeguarding workers and nearby communities in stone-crushing units.

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Assessment of Exposure to Fine Particulate Matter, Specifically Silica, in a Stone Crushing Unit: A Case Study at Neem Ka Thana District, Rajasthan

  • 会议论文

  • 发表日期：

    2025年

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  • Shubham Sharma,
  • Nivedita Kaul,
  • Sumit Khandelwal,
  • Ashwin Paliwal,
  • Mahendra Kumar Verma,
  • Neelesh Soni,
  • Anurag

摘要

This study is part of a comprehensive study investigating the prevalence and quantification of Silicosis in Rajasthan. It documents a thorough assessment of fine particulate matter (PM), primarily Silica, within a stone-crushing unit. PM1 accounts for 46% of PM2.5 emissions and 88% of particles have aerodynamic diameters between 5 and 10 µm. The presence of respirable crystalline silica (RCS) in ambient air is more than 40%, as obtained from Fourier-transform infrared spectroscopy (FTIR) and X-ray diffraction analysis (XRD) analysis. Spirometry tests on 28 workers provide vital health information, with 13 persons (46%) having Forced vital capacity (FVC) values less than 80% of the predicted value, indicating probable obstructive lung diseases. Furthermore, 62% of subjects have lung ages that exceed anticipated values, indicating the presence of respiratory problems. The amalgamated findings emphasize the imperative for heightened safety protocols, health assessments, and stringent regulations to mitigate harmful particulate exposure, safeguarding workers and nearby communities in stone-crushing units.