Finding of Attainment for PM10; Wallula PM10 Nonattainment Area, Washington
air-emissions · Rule · Published 2002-10-22 · Effective 2002-11-21 · WA · 67 FR 64815
Document
Document number
02-26847
Federal Register citation
67 FR 64815
CFR reference
40 CFR 81
Type
Rule
Action
Final rule.
Category
air-emissions
Publication date
2002-10-22
Effective date
2002-11-21
State
WA
EPA docket
Docket WA-02-001
Abstract
EPA has determined that the Wallula nonattainment area in Washington has attained the National Ambient Air Quality Standards for particulate matter with an aerodynamic diameter of less than or equal to a nominal ten micrometers as of December 31, 2001, as required by the Clean Air Act.