§ 52.1521. Classification of regions.

66 words·~1 min read·/us/cfr/t40/s§ 52.1521·

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The New Hampshire plan was evaluated on the basis of the following classifications: Air quality control region Pollutant Particulate matter Sulfur oxides Nitrogen 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]

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§ 52.1521

Classification of regions.

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