View all text of Subpart W [§ 52.1119 - § 52.1169]
§ 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 | SO | PM | NO | CO | O | Primary | Secondary | AQCR 42: Hartford-New Haven-Springfield Interstate Area ( | (a) | (b) | (a) | (a) | (a) | (c) | AQCR 117: Berkshire Intrastat Area ( | (a) | (b) | (a) | (a) | (a) | (c) | AQCR 118: Central Mass Intrastate Area ( | (a) | (b) | (a) | (a) | (a) | (d) | AQCR 119: Metropolitan Boston Intrastate Area ( | (a) | (b) | (a) | (a) | (a) | (d) | AQCR 120: Metropolitan Providence Interstate Area ( | (a) | (b) | (a) | (a) | (a) | (d) | AQCR 121: Merrimack Valley-Southern NH Interstate Area ( | (a) | (b) | (a) | (a) | (a) | (d) |
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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.