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CFR > Title 40 - Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER C—AIR PROGRAMS (Parts 50–99) > PART 52—APPROVAL AND PROMULGATION OF IMPLEMENTATION PLANS > SUBPART EE—New Hampshire (§52.1519 to §52.1535) > 52.1523—Attainment dates for national standards.

CFR

52.1523—Attainment dates for national standards.

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 107 a b a a a a
Central NH Intrastate AQCR 149 a b a a a a
NH portion Merrimack Valley-Southern NH Interstate 121:
Belknap County a b a a a a
Sullivan County a b a a a a
Cheshire County a b a a a d
Portmouth-Dover-Rochester area (See 40 CFR 81.330 ) a b a a a e
NH portion Boston-Lawrence-Worcester area (See 40 CFR 81.330 ) a b a a a f
Manchester area (See 40 CFR 81.330 ) a b a a a c
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.

Code of Federal Regulations

[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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