C.F.R. » Title 40 » CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY › SUBCHAPTER C—AIR PROGRAMS › PART 52—APPROVAL AND PROMULGATION OF IMPLEMENTATION PLANS › Subpart H—Connecticut

40 C.F.R. § 52.371

Classification of regions

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

Air quality control regionPollutant
Particulate matterSulfur oxidesNitrogen dioxideCarbon monoxideOzone
New Jersey-New York-Connecticut InterstateIIIII
Hartford-New Haven-Springfield InterstateIIIIIII
Northwestern IntrastateIIIIIIIIIIIIIII
Eastern IntrastateIIIIIIIIIIIIII
[37 FR 10855, May 31, 1972, as amended at 39 FR 16346, May 8, 1974; 45 FR 84787, Dec. 23, 1980]