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. ------------------------------------------------------------------------
Pollutant
------------------------------------------
Air quality control region SO 2
---------------------- PM NO CO O 3
(a) (b) (a) (a) (a) (c)
Springfield Interstate Area
(See 40 CFR 81.26).AQCR 117: Berkshire Intrastat (a) (b) (a) (a) (a) (c)
Area (See 40 CFR 81.141).AQCR 118: Central Mass (a) (b) (a) (a) (a) (d)
Intrastate Area (See 4r0 CFR
81.142).AQCR 119: Metropolitan Boston (a) (b) (a) (a) (a) (d)
Intrastate Area (See 40 CFR
81.19).AQCR 120: Metropolitan (a) (b) (a) (a) (a) (d)
Providence Interstate Area
(a) (b) (a) (a) (a) (d)
Southern NH Interstate Area
(See 40 CFR 81.81).------------------------------------------------------------------------a. Air quality presently below primary standards or area is
unclassifiable.b. Air quality levels presently secondary standatrds or area is
unclassifiable.c. December 31, 2003.d. November 15, 2007. [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]