Document ID: chunk:federal_register_of_legislation:F2022C00227:reg:4
Version: federal_register_of_legislation:F2022C00227
Segment Type: reg
Provision Reference: reg 4
Character Range: 137959–141407

4                     WBG,CH4                 Proportion of the volume of biogas from project treatment facility t sent to combustion device or biogas upgrading system h that is methane  Fraction                                                 Estimated under Subdivision 2.3.3.2, or Division 2.3.6, of the NGER (Measurement) Determination.                                                                                                                 If monitored continuously:
                                                                                                                                                                                                                                                    Frequency—continuous or at least monthly.                                                                                                                                                                          (a) for equation 9 (section 30)—the average value for a time interval not greater than 1 minute must be paired to measurements of parameter QBG t, h  for the same time interval; and
                                                                                                                                                                                                                                                                                                                                                                                                                                                                       (b) for equation 15 (section 36)—the average value for the period of 7 days before a major venting event.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                     If not monitored continuously:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                       (a) for equation 9 (section 30)—the value from the sample must be paired to the cumulative value of parameter QBG t, h that is determined in the period between when the sample is taken and immediately before the next sample is taken; and
                                                                                                                                                                                                                                                                                                                                                                                                                                                                       (b) (b) for equation 15 (section 36)—the value for the most recent sample taken before the period of 7 days before a major venting event.