When certifying a batch of gasoline, a sample that is representative of the entire batch must be taken and tested according to the regulatory test methods specified in § 80.46 of the regulations. For information on independent sampling and testing, please see Independent Sampling and Testing Section. In addition, for information on what property data to use when certifying RFG when using a computer-controlled in-line blending operation that has been exempted from the independent sampling and testing requirements, see In-Line Blending Section.(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)