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Occupational Exposure to UPVC Powder Containing Calcium Carbonate (CaCO3) Nanoparticles: A Cross-Sectional Biological
Neda Mehrparvar1,2, Azadeh Ashtarinezhad3, Soqrat Omari Shekaftik2,4
1Student Research committee, School of Public Health Iran University of Medical Sciences Tehran Iran.
Health Science Reports
|May 1, 2026
Summary
Occupational exposure to UPVC powder with nano calcium carbonate may harm employee health. This study highlights the need for safety protocols when handling nanomaterials in industrial settings.
Area of Science:
- Occupational health and safety
- Materials science
- Nanotechnology
Background:
- Nanomaterials, like nano calcium carbonate, enhance Unplasticized PolyVinyl Chloride (UPVC) properties.
- Occupational exposure to UPVC powder and nanomaterials poses potential health risks.
- Combined exposure risks require investigation.
Purpose of the Study:
- To investigate occupational exposure to UPVC powder containing calcium carbonate nanoparticles.
- To assess health impacts through oxidative stress biomarkers.
- To evaluate risks associated with nanomaterial handling activities.
Main Methods:
- Cross-sectional descriptive-analytical study in Tehran (2022).
- Measured blood biomarkers: Malondialdehyde (MDA), Superoxide Dismutase (SOD), Total Antioxidant Capacity (TAC) in 100 employees.
- Assessed nanomaterial activity risks using the Nanotool method.
Main Results:
- Elevated Total Antioxidant Capacity (TAC) in the exposed group (p < 0.001).
- Significant differences in MDA and SOD levels were not observed.
- 50% of investigated activities involving nanomaterials presented maximum risk levels.
Conclusions:
- Exposure to nanomaterial-containing powders may endanger employee health.
- Adherence to safety principles is crucial when working with such materials.
- Findings emphasize the need for robust safety measures in the nanomaterials industry.
