The units for oxygen and benzene credit trading are the units required for calculating batch properties under §§ 80.66(d) and (e), i.e., wt%-gallons for oxygen, vol%-gallons for benzene. (4/18/95)

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)