§ 52.1523. Attainment dates for national standards.
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/us/cfr/t40/s§ 52.1523·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
The following table presents the latest dates by which the national standards are to be attained. The dates reflect the information presented in New Hampshire's plan. Air quality control region SO 2 PM 10 NO 2 CO O 3 Primary Secondary NH portion Andoscoggin Valley Interstate AQCR 107abaaaa Central NH Intrastate AQCR 149abaaaa NH portion Merrimack Valley-Southern NH Interstate 121: Belknap Countyabaaaa Sullivan Countyabaaaa Cheshire Countyabaaad Portmouth-Dover-Rochester area (See 40 CFR 81.330)abaaae NH portion Boston-Lawrence-Worcester area (See 40 CFR 81.330)abaaaf Manchester area (See 40 CFR 81.330)abaaac 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. November 15, 1993. d. November 15, 1995. e. November 15, 1999. f. November 15, 2007. [45 FR 24876, Apr. 11, 1980, as amended at 50 FR 51250, Dec. 16, 1985; 51 FR 21550, June 13, 1986; 65 FR 71065, Nov. 29, 2000; 67 FR 72575, Dec. 6, 2002]
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§ 52.1523
Attainment dates for national standards.
Cite40 CFR 81.330
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