Characteristics μg/m3 | TSP | Cadmium | Cobalt | Nickel | |
Concentration of January 2013 period | Min. | 311.9 | 0.02 | 0.01 | 0.01 |
Max. | 1280.0 | 0.10 | 0.27 | 0.45 | |
Mean | 794.2 | 0.07 | 0.08 | 0.09 | |
Sd. | 264.1 | 0.03 | 0.07 | 0.13 | |
Concentration of July 2013 period | Min. | 1669.0 | 0.01 | 0.02 | 0.02 |
Max. | 3985.0 | 0.14 | 0.38 | 0.63 | |
Mean | 2807.5 | 0.07 | 0.10 | 0.19 | |
Sd. | 775.6 | 0.03 | 0.11 | 0.17 | |
Iraqi national standards [12] | 350 μg/m3 | 3 μg/m3 | |||
World allowable limits [2] | 60 - 90 μg/m3 | 0.05 | 3 | 0.2 |