Fuel marketed in RFG areas must comply with the RFG regulations. If ASTM standards conflict with the RFG regulations, The ASTM standards will, in effect, be superseded.(7/1/94)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)