CFR > Title 40 - Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER C—AIR PROGRAMS (Parts 50–99) > PART 52—APPROVAL AND PROMULGATION OF IMPLEMENTATION PLANS > SUBPART WW—Washington (§52.2470 to §52.2499) > 52.2499—Interstate Transport for the 1997 8-hour ozone and PM2 . 5 NAAQS.

52.2499—Interstate Transport for the 1997 8-hour ozone and PM2 . 5 NAAQS.

On January 17, 2007, the Washington State Department of Ecology submitted a SIP revision to meet the requirements of Clean Air Act section 110(a)(2)(D)(i). EPA is approving this submittal.

Code of Federal Regulations

[74 FR 1593, Jan. 13, 2009]