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§ 98.453 Calculating GHG emissions.
(a) For each electrical equipment manufacturer or refurbisher, estimate the annual SF6 and PFC emissions using the mass-balance approach in Equation SS-1 of this section:
![er01de10.056.gif](/sites/default/files/inline-images/er01de10.056.gif)
where:
(b) Use the mass-balance method in paragraph (a) of this section to estimate emissions of PFCs associated with the manufacture or refurbishment of power transformers, substituting the relevant PFC(s) for SF6 in Equation SS-1 of this section.
(c) Estimate the disbursements of SF6 or PFCs sent to customers in new equipment or cylinders or sent off-site for other purposes including for recycling, for destruction or to be returned to suppliers using Equation SS-2 of this section:
![er01de10.057.gif](/sites/default/files/inline-images/er01de10.057.gif)
where: