(a) Gar 5000-4800, Total Sulphur: Max 1, Ash: Max 12. (b) Gar 5500-5000, Total Sulphur: Max 1, Ash: Max 12. (c) Gar 5800-5500, Total Sulphur: Max 1, Ash: 12- Max 18. (d) Gar 6000-5800, Total Sulphur: Max 1, Ash: 12- Max 18. (e) Gar 6500-7000, Total Sulphur: Max 1, Ash: 12- Max 18. (f) Semi-Anthracite -Total Sulphur: Max 1, As: 12- Max 18, Fixed carbon 75%. (g) Anthracite - Total Sulphur: Max 1, Ash: 12-20, Fixed carbon 80%>.