| Waste | Year |
|||||||||
| Classifications | 1995 |
2000 |
2005 |
2010 |
2015 |
|||||
| กก | M.R. |
U.R. |
M.R. |
U.R. |
M.R. |
U.R. |
M.R. |
U.R. |
M.R. |
U.R. |
| blast furnace slag | 0.97 |
0.03 |
0.97 |
0.03 |
0.98 |
0.02 |
0.99 |
0.01 |
0.99 |
0.01 |
| coal gangue | 0.19 |
0.00 |
0.30 |
0.00 |
0.35 |
0.65 |
0.37 |
0.63 |
0.40 |
0.60 |
| coal ash | 0.66 |
0.34 |
0.75 |
0.25 |
0.80 |
0.20 |
0.85 |
0.15 |
0.95 |
0.05 |
| cinder | 0.77 |
0.07 |
0.83 |
0.17 |
0.87 |
0.13 |
0.90 |
0.10 |
0.95 |
0.05 |
| tailings | 0.15 |
0.52 |
0.25 |
0.68 |
0.30 |
0.70 |
0.40 |
0.60 |
0.40 |
0.60 |
| water processing sludge | 0.96 |
0.04 |
0.96 |
0.04 |
0.96 |
0.04 |
0.97 |
0.03 |
0.98 |
0.02 |
| industrial dust | 0.94 |
0.06 |
0.95 |
0.05 |
0.96 |
0.04 |
0.97 |
0.03 |
0.98 |
0.02 |
| total | 0.70 |
0.17 |
0.75 |
0.18 |
0.78 |
0.22 |
0.82 |
0.18 |
0.85 |
0.15 |