- Direct Final Rule (PDF) (8 pp, 213 K, published February 13, 2008)
- Proposed Rule (PDF) (5 pp, 191 K, published February 13, 2008)
- Fact Sheet: Direct Final Rule for Approval of Louisiana’s Petition to Relax the Summer Gasoline Volatility Standard for the Grant Parish Area (PDF)(2 pp, 97 K, February 2008, EPA420-F-08-005)