STEAM COAL GROSS AIR RECEIVED (GAR) 5000 Kcal/Kg ARB, REJECTION BELOW 4800 Kcal/Kg ARB. No. PARAMETER GUARANTE REJECTION 1 Total Moisture (Arb) 5 â?? 8% Above 8% 2 Inherent Moisture (Adb) 3 â?? 5% 3 Ash Content (Adb 18 - 22% Above 22 4 Volatile Matter (Adb) 38 â?? 42% 5 Fixed Carbon 36 â?? 40% 6 Total Sulfur (Adb)