Q766. What are the requirements for determining the GHG mole fraction for emission calculations when a continuous gas composition analyzer is not available?

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FAQs, Rule Subparts, Subpart W. Petroleum and Natural Gas Systems, Subpart W - General

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A766. Per 40 CFR 98.233(u)(2)(i), if you do not have a continuous gas composition analyzer, then you must use an annual average gas composition based on your most recent available analysis of the sub-basin category or facility, as applicable to the emission source.


Updated on Aug 27, 2019