36Volume of methane vented due to a major venting event

36 Volume of methane vented due to a major venting event

If a major venting event associated with an anaerobic digester that is part of project treatment facility t occurs during a reporting period, the volume of methane vented due to the major venting event, MVent,q (in cubic metres), is worked out using the formula (equation 15):

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q means a major venting event associated with an anaerobic digester at project treatment facility t during the reporting period.

MVent,q means the volume of methane vented due to major venting event q, in cubic metres.

MSBCS means the maximum biogas storage capacity, of the anaerobic digester, in cubic metres, worked out in accordance with the monitoring requirements.

FRq means the average total daily flow of biogas, from the anaerobic digester for the 7 days before major venting event q, in cubic metres per day, worked out in accordance with the monitoring requirements.

tq means the number of days for all or part of which major venting event q is uncontrolled, worked out in accordance with the monitoring requirements.

WBG, CH4 ,t, h means the proportion of the volume of the biogas from project treatment facility t sent to combustion device or biogas upgrading system h that is methane, worked out in accordance with the monitoring requirements.

nt means the number of combustion devices or biogas upgrading systems h that receive biogas from project treatment facility t during the reporting period.

Note: The final term in equation 15 calculates the average proportion of the volume of the biogas sent from project treatment facility t that is methane during a reporting period.