Regulations last checked for updates: Nov 24, 2024

Title 40 - Protection of Environment last revised: Nov 21, 2024
All TitlesTitle 40Chapter IPart 52Subpart U - Subpart U—Maine
View all text of Subpart U [§ 52.1019 - § 52.1037]
§ 52.1024 - Attainment dates for national standards.

The following table presents the latest dates by which the national standards are to be attained.

Attainment Dates Established by Clean Air Act of 1990

Air quality control region and nonattainment area Pollutant
SO2 PM-10 NO2 CO O3
Primary Secondary
AQCR 107:
Androscoggin County( a)( b)( a)( a)( a)( g)
Kennebec County( a)( b)( a)( a)( a)( g)
Knox County( a)( b)( a)( a)( a)( g)
Lincoln County( a)( b)( a)( a)( a)( g)
Waldo County( a)( b)( a)( a)( a)( d)
Oxford Cnty. (Part) See 40 CFR 81.320( a)( b)( a)( a)( a)( e)
Franklin Cnty. (Part) See 40 CFR 81.320( a)( b)( a)( a)( a)( e)
Somerset Cnty. (Part) See 40 CFR 81.320( a)( b)( a)( a)( a)( e)
AQCR 108:
Aroostook Cnty. (Part) See 40 CFR 81.320( a)( b)( c)( a)( a)( a)
Remainder of AQCR( a)( b)( a)( a)( a)( a)
AQCR 109:
Hancock County( a)( b)( a)( a)( a)( d)
Millinocket( e)( e)( a)( a)( a)( a)
Remainder of AQCR( a)( b)( a)( a)( a)( a)
AQCR 110:
York County( a)( b)( a)( a)( a)( g)
Cumberland County( a)( b)( a)( a)( a)( g)
Sagadahoc County( a)( b)( a)( a)( a)( g)
Oxford Cnty. (Part) See 40 CFR 81.320( a)( b)( a)( a)( a)( e)
AQCR 111( a)( b)( a)( a)( a)( a)

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 12/31/94.

d 11/15/94 (one-year extension granted).

e 11/15/95.

g 11/15/96.

[60 FR 33352, June 28, 1995]
authority: 42 U.S.C. 7401
cite as: 40 CFR 52.1024
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