Table 2 Concentration of suspended particulate matters (mg/m3)
Respirable suspended particulate (RSP) mg/m3 | ||||||
Parameters | Green brick molding (n = 6) | Green brick carrying (n = 0) | Green brick stacking (n = 17) | Red brick loading (n = 16) | Coal preparation (n = 14) | Fireman (n = 19) |
Mean | 0.722 | - | 1.877 | 5.888 | 2.454 | 1.133 |
Median | 0.590 | - | 2.000 | 4.150 | 0.990 | 0.610 |
SD | 0.554 | - | 0.961 | 5.040 | 2.753 | 1.402 |
Minimum | 0.270 | - | 0.380 | 0.470 | 0.050 | 0.120 |
Maximum | 1.800 | - | 3.800 | 16.000 | 7.900 | 5.800 |
Total suspended particulate (TSP) mg/m3 | ||||||
Parameters | Green brick molding (n = 9) | Green brick carrying (n = 5) | Green brick stacking (n = 17) | Red brick loading (n = 21) | Coal preparation (n = 17) | Fireman (n = 20) |
Mean | 4.581 | 1.671 | 16.271 | 20.657 | 7.094 | 3.435 |
Median | 1.663 | 1.750 | 12.250 | 23.373 | 2.888 | 1.181 |
SD | 7.405 | 1.578 | 14.952 | 12.492 | 8.38750 | 8.814 |
Minimum | 0.100 | 0.100 | 0.110 | 1.840 | 0.510 | 0.270 |
Maximum | 23.370 | 3.680 | 42.000 | 49.880 | 23.370 | 40.250 |