Beginning in 1992, the oxygenated gasoline requirements of this chapter shall apply to the following control area during the following control period:
| | Control Period |
| Control Area | County | Beginning | Ending |
| Spokane | Spokane | September 1 | February 29 |
| Upon approval by EPA, the control period for Spokane will be from October 1 to February 29. |
[Statutory Authority: RCW 70.94 and section 211(m) of the Federal Clean Air Act. 96-19-094 (Order 96-03), § 173-492-070, filed 9/18/96, effective 10/19/96. Statutory Authority: Chapter 70.94 RCW and 42 U.S.C. 7545 Sec. 211(m). 94-07-040 (Order 93-20), § 173-492-070, filed 3/9/94, effective 4/9/94. Statutory Authority: Chapter 70.94 RCW and 1990 42 U.S.C. 7545 Sec. 211(m). 92-24-057 (Order 91-58), § 173-492-070, filed 11/30/92, effective 12/1/92.]