eCFR.io
Daily eCFR

§ 52.871 Classification of regions.

40 CFR 52.871

  1. CFR
  2. ›
  3. Title 40
  4. ›
  5. Chapter I
  6. ›
  7. Part 52
  8. ›
  9. Subpart R
  10. ›
  11. 40 CFR 52.871
Citation40 CFR 52.871
CorpusDaily eCFR
Displayed edition2026-05-14
Last updated2026-05-14

§ 52.871 Classification of regions.

The Kansas plan was evaluated on the basis of the following classifications:

Air quality control regionPollutant
Particulate matterSulfur oxidesNitrogen dioxideCarbon monoxidePhotochemical oxidants (hydrocarbons)
Metropolitan Kansas City InterstateIIIIIIIII
South Central Kansas IntrastateIIIIIIIIIII
Northeast Kansas IntrastateIIIIIIIIIIIII
Southeast Kansas IntrastateIIIIIIIIIIIIIII
North Central Kansas IntrastateIIIIIIIIIIIII
Northwest Kansas IntrastateIIIIIIIIIIIII
Southwest Kansas IntrastateIIIIIIIIIIIII

[37 FR 10867, May 31, 1972]