In § 80.69(a)(2), the procedure for sampling and analysis of RBOB is defined. A hand blend with the specified type and amount of oxygenate is to be prepared and the blended sample analyzed, with those results to be used in compliance calculations. In §8
The volume after blending with the specified oxygenate volume and type (i.e., the RBOB volume plus oxygenate) should be used for computing the compliance total.(11/28/94)
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)