Modification of the Ozone Monitoring Season for Washington and Oregon
air-emissions · Rule · Published 1999-01-20 · Effective 1999-03-22 · OR · 64 FR 3028
Document
Document number
99-1121
Federal Register citation
64 FR 3028
CFR reference
40 CFR 58
Type
Rule
Action
Direct final rule.
Category
air-emissions
Publication date
1999-01-20
Effective date
1999-03-22
State
OR
EPA docket
ORWA-010799-a
Abstract
The Environmental Protection Agency (EPA) is amending 40 CFR part 58, Appendix D, section 2.5, to shorten the ozone monitoring season in Washington and Oregon from April 1 through October 31 to May 1 through September 30.