Table C-2 to Subpart C
Note: The Cal e-GGRT help system includes general instruction on using the California GHG reporting tool. However, the help system may not explain differences between California and U.S. EPA reporting requirements. Please refer to the ARB reporting website for California-specific reporting requirements and additional help.

Table C–2: Default CH4 and N2O Emission Factors for Various Types of Fuel

Fuel Type

Default CH4
Emission Factor
(kg CH4/mmBtu)

Default N2O
Emission Factor
(kg N2O/mmBtu)

Coal and Coke (All fuel types in Table C–1)

1.1 × 10-02

1.6 × 10-03

Natural Gas

1.0 × 10-03

1.0 × 10-04

Petroleum (All fuel types in Table C–1)

3.0 × 10-03

6.0 × 10-04

Municipal Solid Waste

3.2 × 10-02

4.2 × 10-03

Tires

3.2 × 10-02

4.2 × 10-03

Blast Furnace Gas

2.2 × 10-05

1.0 × 10-04

Coke Oven Gas

4.8 × 10-04

1.0 × 10-04

Biomass Fuels—Solid (All fuel types in Table C–1)

3.2 × 10-02

4.2 × 10-03

Biogas

3.2 × 10-03

6.3 × 10-04

Biomass Fuels—Liquid (All fuel types in Table C–1)

1.1 × 10-03

1.1 × 10-04

Note: Those employing this table are assumed to fall under the IPCC definitions of the “Energy Industry” or “Manufacturing Industries and Construction”. In all fuels except for coal the values for these two categories are identical. For coal combustion, those who fall within the IPCC “Energy Industry” category may employ a value of 1g of CH4/mmBtu.

[74 FR 56374, Oct. 30, 2009, as amended at 75 FR 79154, Dec. 17, 2010]

Editorial Note: At 74 FR 56374, Oct. 30, 2009, part 98 was added. The added part included two tables identified as “C–2 to Subpart C”.

This web site is maintained by a contractor to the California Air Resources Board (RY2015.R.03)