Table 3 Mass concentrations (in μg m−3) of OC, EC, and WSOC along with OC/EC and WSOC/OC Ratios at Adityapur
Winter | Summer/pre monsoon | Monsoon | Autumn/post monsoon | |||||
|---|---|---|---|---|---|---|---|---|
Min | Max | Min | Max | Min | Max | Min | Max | |
Mass of PM10 | 154 | 275 | 76 | 158 | 87 | 196 | 110 | 264 |
OC | 19.4 | 42.4 | 4.5 | 32.3 | 6.4 | 35.0 | 17.6 | 41.5 |
EC | 6.67 | 8.9 | 2.2 | 5.7 | 3.4 | 4.5 | 2.6 | 6.89 |
WSOC | 16.6 | 34.4 | 2.6 | 21.3 | 3.5 | 32.0 | 7.5 | 19.6 |
OC/EC | 2.91 | 4.76 | 4.77 | 5.76 | 3.65 | 7.78 | 6.67 | 6.02 |
WSOC/OC | 0.86 | 0.81 | 0.91 | 0.66 | 0.60 | 0.91 | 0.43 | 0.47 |