52.1024—Attainment dates for national standards.
The following table presents the latest dates by which the national standards are to be attained.
| Air quality control region and nonattainment area | Pollutant | SO2 | Primary | Secondary | PM-10 | NO2 | CO | O3 |
|---|---|---|---|---|---|---|---|---|
| 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. | ||||||||