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The operator shall consider fugitive emissions from any of the following types of equipment:
seals;
measurement devices;
valves;
intermediate compressor stations;
intermediate storage facilities.
The operator shall determine average emission factors EF (expressed in g CO2/unit time) per piece of equipment per occurrence where fugitive emissions can be anticipated at the beginning of operation, and by the end of the first reporting year in which the transport network is in operation at the latest. The operator shall review those factors at least every 5 years in the light of the best available techniques and knowledge.
The operator shall calculate fugitive emissions by multiplying the number of pieces of equipment in each category by the emission factor and adding up the results for the single categories as shown in the following equation:
The number of occurrences shall be the number of pieces of the given equipment per category, multiplied by the number of time units per year.