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Table O-1 to Subpart O of Part 98—Emission Factors for Equipment Leaks

Emission Factors for Equipment Leaks

CorpusDaily eCFR
Displayed edition2026-04-15
Last updated2026-04-15

Table O-1 to Subpart O of Part 98—Emission Factors for Equipment Leaks

Equipment typeServiceEmission factor

(kg/hr/source)
≥10,000 ppmv<10,000 ppmv
ValvesGas0.07820.000131
ValvesLight liquid0.08920.000165
Pump sealsLight liquid0.2430.00187
Compressor sealsGas1.6080.0894
Pressure relief valvesGas1.6910.0447
ConnectorsAll0.1130.0000810
Open-ended linesAll0.011950.00150