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Federal regulations · Through 2026-08-25 · Newer source version available

40 CFR 52.374: Attainment dates for national standards.

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Where this section sits in the code
  1. Title 40—Protection of Environment
  2. CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
  3. SUBCHAPTER C—AIR PROGRAMS
  4. PART 52—APPROVAL AND PROMULGATION OF IMPLEMENTATION PLANS
  5. Subpart H—Connecticut

The following table presents the latest dates by which the national standards are to be attained. The dates reflect the information presented in Connecticut's plan.

Air quality control region Pollutant

SO2 PM10 NO2 CO O3

Primary Secondary

AQCR 41: Eastern Connecticut Intrastate (See 40 CFR 81.183) (a) (b) (a) (a) (a) (d)

AQCR 42: Hartford-New Haven-Springfield Interstate Area (See 40 CFR 81.26)

All portions except City of New Haven (a) (b) (a) (a) (a) (d)

City of New Haven (a) (b) (c) (a) (a) (d)

AQCR 43: New Jersey-New York-Connecticut Interstate Area (See 40 CFR 81.13) (a) (a) (a) (a) (a) (d)

AQCR 44: Northwestern Connecticut Intrastate (See 40 CFR 81.184) (a) (b) (a) (a) (a) (d)

a. Air quality levels presently below primary standards or area is unclassifiable.

b. Air quality levels presently below secondary standards or area is unclassifiable.

c. December 31, 1996 (two 1-year extensions granted).

d. November 15, 2007.

Collected 2026-08-27T02:26:04Z. Source file · JSON

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