Are sampling requirements based on 50% of volume or on one-half of the number of batches?

Sampling requirements are based on the number of batches, not the volume, over a minimum of six months.(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)