Table 8.
Levels of the Indoor Air Pollutants Concentrations of the Beauty Salon (N=87)
| Pollutants | Category | Frequency | Percent | Mean +SD |
|---|---|---|---|---|
| Average concentration of PM10 (mg/m3) | Less than 0.500 | 57 | 65.5 | 0.465 ± 0.34 |
| 0.500–1.00 | 22 | 25.3 | ||
| Above 1.00 | 8 | 9.2 | ||
| Total volatile organic matter concentration (µg/m3) | Less than 750 | 11 | 12.6 | 1034.18 ± 299.9 |
| 750–1000.00 | 41 | 47.1 | ||
| 1000.0–1250 | 18 | 20.7 | ||
| Above 1250 | 17 | 19.5 | ||
| Carbon dioxide concentration (mg/m3) | Less than 1000 | 14 | 16.1 | 1280.92 ± 264 |
| 1000–1500 | 58 | 66.6 | ||
| Above 1500 | 15 | 17.2 | ||
| Room temperature (oC) | 20–25 | 21 | 24.1 | 26.359 ± 2.2 |
| 25–30 | 60 | 69.0 | ||
| Above 30 | 6 | 6.9 | ||
| Relative humidity (%) | 40–50 | 18 | 20.7 | 54.48 ± 5.3 |
| 50–60 | 58 | 66.7 | ||
| 60–70 | 11 | 12.6 |