Research Article
Workplace Exposure to Titanium Dioxide Nanopowder Released from a Bag Filter System
Table 2
Particle concentrations measured during TiO2 synthesis.
| | | Main set () | Subset () | Ratio (/) |
| | Background | | | | | OPC (particles/cm3) | 717.3 ± 14.0 | 828.5 ± 15.2 | 0.87 | | OPC (μg/m3) | 49.6 ± 1.1 | 57.6 ± 1.1 | 0.86 | | NAM (μm2/cm3) | 50.1 ± 2.4 | 53.4 ± 2.0 | 0.94 | | Discmini (particles/cm3) | — | — | — | | Flame synthesis task | | | | | OPC (particles/cm3) | 1,332.6 ± 188.1 | 918.2 ± 13.9 | 1.50 | | OPC (μg/m3) | 116.4 ± 18.4 | 77.3 ± 5.2 | 1.45 | | NAM (μm2/cm3) | 3,930.2 ± 243.2 | 72.3 ± 5.0 | 54.3 | | Discmini (particles/cm3) | 2 × 106 | 104 | 200 |
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