40 CFR 52.1523 - Attainment dates for national standards.

Regulations last checked for updates: Nov 24, 2024

Title 40 - Protection of Environment last revised: Nov 21, 2024

View all text of Subpart EE [§ 52.1519 - § 52.1535]

§ 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
Air quality control region	Primary	Secondary	PM 10	NO 2	CO	O 3
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.

[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]

authority: 42 U.S.C. 7401

cite as: 40 CFR 52.1523