When RFG is blended with blendstocks, the blender is considered a refiner under the antidumping requirements and thus is responsible for the properties of the blendstock which is added to the finished RFG. Compliance calculations for blendstocks which are added to finished gasoline are discussed in section IX (D) of the preamble to the final regulations at 59 FR 7806.(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)