The following table presents the latest dates by which the national standards are to be attained. These dates reflect the information presented in Rhode Island's plan, except where noted. ----------------------------------------------------------------------------------------------------------------
Pollutant
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Air quality control region SO
------------------------ PM10 NO2 CO O3
Primary Secondary----------------------------------------------------------------------------------------------------------------Rhode Island portion of AQCR 120 (Entire (a) (b) (a) (a) (a) (c)
State of Rhode Island).................----------------------------------------------------------------------------------------------------------------\a\ Air quality levels presently better than primary standards or area is unclassifiable.\b\ Air quality levels presently better than secondary standards or area is unclassifiable.\c\ November 15, 2007. [50 FR 52461, Dec. 24, 1985, as amended at 68 FR 16724, Apr. 7, 2003]