Impoundment | pH of leachate | S | NPa | APPb | NNPc | ARD generation potential |
---|---|---|---|---|---|---|
 |  | kg t-1 | kg CaCO3 t-1 | kg CaCO3 t-1 | kg CaCO3 t-1 |  |
Sartas | 2.7 | 8.5 | 0.0 | 26.6 | −26.6 | certain |
Cutii | 2.6 | 6.9 | 0.6 | 21.6 | −21.0 | certain |
Saliste | 2.9 | 0.7 | 0.0 | 2.2 | −2.2 | uncertain |
Gura Rosiei | 3.5 | 0.8 | 1.25 | 2.3 | −1.1 | uncertain |
Sesei | 8.2 | 0.5 | 12.0 | 1.6 | 10.4 | uncertain |
Stefanca | 10.5 | 0.6 | 18.7 | 1.9 | 16.9 | uncertain |
Brazesti | 8.1 | 1.6 | 102 | 5.0 | 97.0 | no |