Page 661 - The Central Motor Vehicles Rules, 1989

ANNEXURE IV-ZD THE CENTRAL MOTOR VEHICLES RULES, 1989 633

4 Hydrocarbons upto C4 1.00 % by mass ISO 17196:2014
5 Carbon Dioxide 0.10 % by mass ISO 17196:2014

6 Carbon Monoxide 0.010 % by mass ISO 17196:2014
7 Methyl Formate 0.05 % by mass ISO 17196:2014
8 Ethyl Methyl Ether 0.20 % by mass ISO 17196:2014
9 Evaporation Residues 0.0070 % by mass ISO 17786:2015
10 Total Sulphur 3.0 mg/kg ISO 17198:2014]
1
[ANNEXURE IV-ZD
[Refer rule 115(18)(ii)] ANNEXURE IV-ZD
TECHNICAL SPECIFICATION OF REFERENCE HYDROGEN
FUEL FOR BS-IV VEHICLES

Characteristics Units Limits Test Method
Minimum Maximum
(1) (2) (3) (4) (5)
Hydrogen Purity % mole 97 100 ISO 14687-1
Total Hydrocarbon mmol/mol 0 100 ISO 14687-1
1
Water mmol/mol 0 2 ISO 14687-1
Oxygen mmol/mol 0 2 ISO 14687-1
Argon mmol/mol 0 2 ISO 14687-1
Nitrogen mmol/mol 0 2 ISO 14687-1
CO mmol/mol 0 1 ISO 14687-1
Sulphur mmol/mol 0 2 ISO 14687-1

Permanent
3
Particulates
(1)
Not to be condensed
(2)
Combined water, oxygen, nitrogen, argon: 1.900 mmol/mol.
(3)
The hydrogen shall not contain dust, sand, dirt, gums, oils or other substances in an
amount sufficient to damage the fuelling station equipment of the vehicle (engine) being
fuelled.]

1 Inserted vide GSR 885(E), dt. 16-12-2022, w.e.f. 16-12-2022.