When presenting the gasoline pool data (EPA Table 6), is it ok to present just summer, winter, and annual average data, rather than monthly data?

Yes, it is acceptable to present seasonal gasoline pool data. The format of this table will depend on the data available.(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)