The following table presents the latest dates by which the national standards are to be attained. The dates reflect the information presented in New Hampshire's plan.
Air quality control region | SO2 | PM10 | NO2 | CO | O3 | |
Primary | Secondary | |||||
NH portion Andoscoggin Valley Interstate AQCR 107 | a | b | a | a | a | a |
Central NH Intrastate AQCR 149 | a | b | a | a | a | a |
NH portion Merrimack Valley-Southern NH Interstate 121: | ||||||
Belknap County | a | b | a | a | a | a |
Sullivan County | a | b | a | a | a | a |
Cheshire County | a | b | a | a | a | d |
Portmouth-Dover-Rochester area (See 40 CFR 81.330 ) | a | b | a | a | a | e |
NH portion Boston-Lawrence-Worcester area (See 40 CFR 81.330 ) | a | b | a | a | a | f |
Manchester area (See 40 CFR 81.330 ) | a | b | a | a | a | c |
40 C.F.R. §52.1523