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Electronic Code of Federal Regulations (e-CFR)
Title 40—Protection of Environment
CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
SUBCHAPTER C—AIR PROGRAMS
PART 81—DESIGNATION OF AREAS FOR AIR QUALITY PLANNING PURPOSES
Subpart E—Identification of Interstate Transport Regions
40 CFR Part 81 - Subpart E - Identification of Interstate Transport Regions
CFR
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§ 81.455 Scope.
§ 81.457 Ozone Transport Region.
Appendix A to Part 81—Air Quality Control Regions (AQCR's)
Source:
87 FR 7746
, Feb. 10, 2022, unless otherwise noted.
