Table A12. Methane Emissions Factors for Industrial Processes
(Grams of Methane Emitted per Kilogram of Product Produced)

Industrial Product Methane Emissions Factor
Coke 0.5
Sinter 0.5
Pig Iron 0.9
Carbon Black 11.0
Ethylene 1.0
Dichloroethylene 0.4
Styrene 4.0
Methanol 2.0
Source: Intergovernmental Panel on Climate Change, Greenhouse Gas Inventory Reference Manual: Revised 1996 IPCC Guidelines for National Greenhouse Gas Inventories, Vol. 3 (Paris, France, 1997), p. 2.6, web site www.iea.org/ipcc/invs6.htm.

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