Item No. 22 | 4% of London metal exchange |
Lead concentrate | metal price on ad valorem basis Chargeable per tonne of concentrate produced. |
Item No. 41 | 3.5% of London metal exchange |
Zinc concentrate | metal price on ad valorem basis Chargeable per tonne of concentrate produced. |
Item No. 25 | 5% of London metal exchange |
Lead | lead metal price chargeable on the contained lead metal in ore produced. |
Item No. 50 | 6.6% of London metal exchange |
Zinc | Zinc metal price on ad valorem basis chargeable on contained zinc metal in ore produced. |