Frequent Questions

The RIA method for aromatics and olefins doesn't result in agreement with finished gasoline, i.e., the sum of the blendstock parameters doesn't equal the finished gasoline value (>6% delta). Are alternative methods okay?

Alternative test methods may be considered, based on the individual situation as explained in an alternate test method petition.(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)
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