40 C.F.R. § 52.1127

Current through October 31, 2024

Section 52.1127 - Attainment dates for national standards

The following table presents the latest dates by which the national standards are to be attained. The table reflects the new information presented in the approved Massachusetts plan.

Air quality control region	Pollutant
	SO2		PM10	NO2	CO	O3
	Primary	Secondary
AQCR 42: Hartford-New Haven-Springfield Interstate Area (See 4 0 CFR 81.26 )	(a)	(b)	(a)	(a)	(a)	(c)
AQCR 117: Berkshire Intrastat Area (See 4 0 CFR 81.141 )	(a)	(b)	(a)	(a)	(a)	(c)
AQCR 118: Central Mass Intrastate Area (See 4r 0 CFR 81.142 )	(a)	(b)	(a)	(a)	(a)	(d)
AQCR 119: Metropolitan Boston Intrastate Area (See 4 0 CFR 81.19 )	(a)	(b)	(a)	(a)	(a)	(d)
AQCR 120: Metropolitan Providence Interstate Area (See 4 0 CFR 81.31 )	(a)	(b)	(a)	(a)	(a)	(d)
AQCR 121: Merrimack Valley-Southern NH Interstate Area (See 4 0 CFR 81.81 )	(a)	(b)	(a)	(a)	(a)	(d)

a. Air quality presently below primary standards or area is unclassifiable.

b. Air quality levels presently secondary standards or area is unclassifiable.

c. December 31, 2003.

d. November 15, 2007.

40 C.F.R. §52.1127

45 FR 61303, Sept. 16, 1980, as amended at 46 FR 33524, June 30, 1981; 66 FR 693 , Jan. 3, 2001; 67 FR 7278 , Feb. 19, 2002; 67 FR 72579 , Dec. 6, 2002