Page 639 - The Central Motor Vehicles Rules, 1989

ANNEXURE IV-LA THE CENTRAL MOTOR VEHICLES RULES, 1989 611

(1) Inerts+C2+
(2) Value to be determined at standard conditions (293.2 K (20˚C) and 101.3 kPa).

Characteristic Units Basis Limits Test method
Minimum Maximum
Reference fuel G23
Composition :
Methane 92.5 91.5 93.5
(1)
Balance % - mole — — 1 ISO 6974
N2 7.5 6.5 8.5
3 (2)
Sulphur content mg/m — — 10 ISO 6326-5
(1) Inerts (different from N2)+C2+C2+.
(2) Value to be determined at standard conditions (293.2 K (20˚C) and 101.3 kPa).

Characteristic Units Basis Limits Test method
Minimum Maximum

Reference fuel G25
Composition :
Methane 86 84 89
(1)
Balance % - mole — — 1 ISO 6974
N2 14 12 16
3 (2)
Sulphur content mg/m — — 10 ISO 6326-5
(1) Inerts (different from N2)+C2+C2+.
(2) Value to be determined at standard conditions (293.2 K (20˚C) and 101.3 kPa).
1
[ANNEXURE IV-LA
[Refer the proviso to sub-rule (3) of rule 115B] ANNEXURE IV-LA
TECNICAL SPECIFICATIONS OF THE REFERENCE LNG FUEL

Sr. No. Component Concentration
1. Methane % 87.33-99.71

2. Ethane % 0.09-10.26
3. Propane % 0.03-3.56
4. Butane +% 0-1.48
5. Sulphur <10 ppm
6. LNG Density kg/m3 421.39-467.35

1 Inserted vide GSR 643(E), dt. 27-6-2017, w.e.f. 27-6-2017.