52.374—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 Connecticut's plan.
| Air quality control region | Pollutant | SO2 | Primary | Secondary | PM10 | NO2 | CO | O3 |
|---|---|---|---|---|---|---|---|---|
| AQCR 41: Eastern Connecticut Intrastate (See 40 CFR 81.183 ) | (a) | (b) | (a) | (a) | (a) | (d) | ||
| AQCR 42: Hartford-New Haven-Springfield Interstate Area (See 40 CFR 81.26 ) | ||||||||
| All portions except City of New Haven | (a) | (b) | (a) | (a) | (a) | (d) | ||
| City of New Haven | (a) | (b) | (c) | (a) | (a) | (d) | ||
| AQCR 43: New Jersey-New York-Connecticut Interstate Area (See 40 CFR 81.13 ) | (a) | (a) | (a) | (a) | (a) | (d) | ||
| AQCR 44: Northwestern Connecticut Intrastate (See 40 CFR 81.184 ) | (a) | (b) | (a) | (a) | (a) | (d) | ||
| 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. December 31, 1996 (two 1-year extensions granted). | ||||||||
| d. November 15, 2007. | ||||||||