IS : 1593 - 1982
Table 1 Requirements for fuel oils (Clause 3.3)
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Note1:Normally the gross calorific value is of the order of 10 000 cal/g.
Note2: Fuel oil for marine uses in diesel engines shall not exceed a limit of 0.99.
Note3: Recognizing the necessity for low-sulphur fuel oils in some specialized uses; a lower limit may be specified by mutual agreement between the purchaser and the supplier.
Effective 01.04.10 FO/LDO supplies to rail fed customers is through BTPN (8 wheeler) rakes only since railways has withdrawn conventional (4 wheeler) rakes from circulation.