Document ID: chunk:federal_register_of_legislation:F2024C00833:reg:31
Version: federal_register_of_legislation:F2024C00833
Segment Type: reg
Provision Reference: reg 31
Character Range: 805128–806090

31    Natural gas distribution—flaring                                                                                                                                                                  25

8.9  Assessment of uncertainty for estimates of emissions from industrial process sources
 (1) In assessing uncertainty of the estimates of emissions estimated using method 1 for the industrial process sources mentioned in column 2 of an item of the following table, the assessment must include the uncertainty level for the emission factor and activity data associated with the source:
 (a) as specified:
 (i) for the emission factor—in column 3 for the item; and
 (ii) for the activity data—in column 4 for the item; or
 (b) as worked out in accordance with the uncertainty protocol.

Item  Industrial process sources                                                                     Emission factor uncertainty level (%)  Activity data uncertainty (%)