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FAQ > Rule Subparts > Subpart Y. Petroleum Refineries > Q123. For petroleum refineries, which subpart should be followed for flare calculations? Section 98.252(a) says to use Subpart C. However, section 98.253(b) specifies a method for flares.
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Q123. For petroleum refineries, which subpart should be followed for flare calculations?  Section 98.252(a) says to use Subpart C.  However, section 98.253(b) specifies a method for flares.

A123. Under Subpart Y, GHG emissions from flares must be calculated using the methods provided in 40 CFR 98.253(b).


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