Extension of the Reformulated Gasoline Program to the Phoenix, Arizona Moderate Ozone Non-attainment Area Additional Resources
- Final Rule (PDF) (11 pp, 178K, published June 3, 1997)
- Notice to Withdraw a Direct Final Rule (PDF) (3 pp, 117K, published April 4, 1997)
- Direct Final Rule (PDF) (4 pp, 124K, published February 18, 1997)