Downstream of the refinery level, RFG may be considered to be "certified" if it is accompanied by product transfer documents, specified in § 80.77, that identify the gasoline as RFG. Of course, if downstream testing shows that gasoline does not meet applicable downstream standards, then the gasoline could not be considered "certified" RFG.(7/1/94)
This question and answer was posted at Consolidated List of Reformulated Gasoline and Anti-Dumping Questions and Answers: July 1, 1994 through November 10, 1997 (PDF)(333 pp, 18.17 MB, EPA420-R-03-009, July 2003, About PDF)