Q781. Is there an operational hour threshold when calculating fDest for startup operations of a destruction device?

A781. Beginning in Reporting Year (RY) 2013, the definition of f_Dest (fraction of hours the destruction device was operating) has been revised.  The term f_Dest is needed to correct for times when the gas collection system is operating and gas flow is being measured, but when the destruction device is not operating.  Using the revised definition, f_Dest is the fraction of hours the destruction device associated with the n^th measurement location was operating during active gas flow.  f_Dest can be calculated as the annual operating hours for the destruction device divided by the annual hours flow was sent to the destruction device, as measured at the nth measurement location.  If a destruction device was newly installed and operated for only a portion of the reporting year, the denominator of the f_Dest term will account for the number of hours that gas was actively flowing to that destruction device.

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Source: Rachel Schmeltz, 2/6/2014 (HH_RY2013_FAQs_v2_2-6-2014.docx)

Approval / Publishing History: Version 1

Expiration: none

Relevant Subparts:  Subpart HH
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