Document ID: chunk:federal_register_of_legislation:F2024C00833:reg:8:p2
Version: federal_register_of_legislation:F2024C00833
Segment Type: reg
Provision Reference: reg 8 (pt 2/4)
Character Range: 411882–414544

emission factor for gas type (j), which is 0.02 for carbon dioxide and 11.6 for methane, measured in tonnes of CO2‑e emissions per kilometre of pipeline (i).

3.77  Method 2—natural gas transmission (other than flaring)
 (1) Method 2 is:

   Ej = ∑k (Qk × Nk ×EFjk)

where:
Ej is the fugitive emissions (other than flaring) of gas type (j) measured in CO2‑e tonnes from the natural gas transmission through the system of pipelines during the year.
Σk is the total emissions of gas type (j) measured in CO2‑e tonnes and estimated by summing up the emissions released from each equipment type (k) listed in sections 5 and 6.1.2 of the API Compendium, if the equipment is used in the natural gas transmission.
Qk is the total of the quantities of natural gas or plant condensate measured in tonnes that pass through each equipment type (k) or the number of equipment units of type (k) listed in sections 5 and 6.1.2 of the API Compendium, if the equipment is used in the natural gas transmission during the year.
Nk is the total number of equipment units of each equipment type (k) listed in section 6.1.2 of the API Compendium if the equipment type is used in the natural gas transmission during the year.
EFjk is the emission factor of gas type (j) measured in CO2‑e tonnes for each equipment type (k) listed in sections 5 and 6.1.2 of the API Compendium as determined under subsection (2), where the equipment is used in the natural gas transmission.
 (2) For EFjk, the emission factors for a gas type (j) as the natural gas or plant condensate passes through the equipment type (k) are:
 (a) as listed in sections 5 and 6.1.2 of the API Compendium, for the equipment type; or
 (b) as listed in that Compendium for the equipment type with emission factors adjusted for variations in estimated gas composition, in accordance with that Compendium's sections 5 and 6.1.2, and the requirements of Division 2.3.3; or
 (c) as listed in that Compendium for the equipment type with emission factors adjusted for variations in the type of equipment material estimated in accordance with the results of published research for the crude oil industry and the principles of section 1.13; or
 (d) if the manufacturer of the equipment supplies equipment‑specific emission factors for the equipment type—those factors; or
 (e) estimated using the engineering calculation approach in accordance with sections 5 and 6.1.2 of the API Compendium.

       3.78  Method 3—natural gas transmission (other than flaring)

        (1) Method 3 is:
Ej = ∑k (Tk × Nk ×EFjk)
where:
Eij is the fugitive emissions (other than flaring) of gas type (j) measured in CO2‑e tonnes from the natural