OKVED 2 35.21—Gas production

Where 35.21 sits

1. D Provision of electricity, gas and steam; air conditioning
2. 35 Provision of electricity, gas and steam; air conditioning
3. 35.2 Production and distribution of gaseous fuels
4. 35.21 Gas production

Contains 2 narrower codes

• 35.21.1 Coal gasification
• 35.21.2 Coal liquefaction

What 35.21 includes

• The production of gas for supply, obtained by carbonization of coal, from agricultural by-products or from other waste
• The production of gaseous fuels with a defined specific heat of combustion by purifying and mixing gases of different types, including natural gas

What 35.21 excludes

• The extraction of natural gas, see 06.20;
• The operation of coke ovens, see 19.10;
• The production of refined petroleum products, see 19.20;
• The production of industrial gases, see 20.11

35.21 in other systems