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

40 C.F.R. § 52.1521

Classification of regions

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The New Hampshire plan was evaluated on the basis of the following classifications:

Air quality control regionPollutant
Particulate matterSulfur oxidesNitrogen
dioxide		Carbon
monoxide		Ozone
Androscoggin Valley InterstateIAIIIIIIIIIIII
Central New Hampshire IntrastateIIIIIIIIIIIIIII
Merrimack Valley—Southern New Hampshire InterstateIIIIIIIIIII
[37 FR 10879, May 31, 1972, as amended at 45 FR 24876, Apr. 11, 1980; 80 FR 78141, Dec. 16, 2015; 81 FR 44554, July 8, 2016]