They are not allowed for the determination of properties of reformulated, or conventional gasoline at the refinery, but, as indicated above, they may be used downstream for quality assurance. In the future, EPA may consider amending the regulations to allow for new methods as it did for RVP.(7/1/94)
This question and answer is posted at http://www.epa.gov/otaq/regs/fuels/rfg/qa/420r03009.pdf. The original was posted in the Q&A posted on 7/1/94 which can found at http://www.epa.gov/otaq/rfg_qa.htm" See Question ID 3857 for RFG (Taken from the first question on http://www.epa.gov/otaq/regs/fuels/rfg/qa/420r03009.pdf)
Since other ASTM methods are being developed that would allow the use of one analyzer to obtain benzene, aromatics, and olefins, will EPA allow any of these new methods to be used for gasoline certification and/or a refiners's defense?
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