The following table presents the latest dates by which the national standards are to be attained. The dates reflect the information presented in Wisconsin's plan, except where noted. ----------------------------------------------------------------------------------------------------------------
Pollutant
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Air Quality Control Region TSP SO2
---------------------------------------------------- NO2 CO O3
Primary Secondary Primary Secondary----------------------------------------------------------------------------------------------------------------Duluth (Minnesota)-Superior
(Wisconsin Interstate (AQCR
129):
a. Primary/Secondary a........ f............ b........ a............ c........ c....... c.
nonattainment areas.
b. Remainder of AQCR..... b........ c............ c........ c............ c........ c....... c.North Central Wisconsin
Intrastate (AQCR 238):
a. Primary/Secondary b........ f............ d........ c............ c........ c....... d.
nonattainment areas.
b. Remainder of AQCR..... b........ c............ c........ c............ c........ c....... c.Lake Michigan Intrastate
(AQCR 237):
a. Primary/Secondary b........ f............ c........ c............ c........ c....... d.
nonattainment areas.
b. Remainder of AQCR..... b........ c............ c........ c............ c........ c....... c.Southeast Minnesota-LaCrosse
(Wisconsin) Interstate (AQCR
128):
a. Primary/Secondary b........ c............ a........ a............ c........ c....... c.
nonattainment areas.
b. Remainder of AQCR..... b........ c............ c........ c............ c........ c....... c.
Southern Wisconsin Intrastate
(AQCR 240):
a. Primary/Secondary g........ f............ d........ c............ c........ c....... d.
nonattainment areas.
b. Remainder of AQCR..... b........ c............ c........ c............ c........ c....... c.Southeastern Wisconsin
Intrastate (AQCR 239):
a. Primary/Secondary d........ d............ b........ a............ c........ e....... e.
nonattainment areas.
b. Remainder of AQCR..... b........ c............ c........ c............ c........ c....... c.Rockford (Illinois)-
Janesville-Beloit
(Wisconsin) Interstate (AQCR
73) (Wisconsin portion):
a. Primary/Secondary d........ d............ c........ c............ c........ c....... c.
nonattainment areas.
b. Remainder of AQCR..... b........ c............ c........ c............ c........ c....... c.Metropolitan Dubuque
Interstate (AQCR 68):
a. Primary/Secondary a........ a............ c........ c............ c........ c....... c.
nonattainment areas.
b. Remainder of AQCR..... b........ c............ c........ c............ c........ c....... c.----------------------------------------------------------------------------------------------------------------a. July, 1975.b. Air quality levels presently below primary standard or are unclassifiable.c. Air quality levels presently below secondary standard or are unclassifiable.d. December 31, 1982.e. December 31, 1987.f. 18-Month extension granted for plan submission and identification of attainment date.g. No attainment plan was submitted.Note: Sources subject to the plan requirements and attainment dates established under section 110(a)(2)(A) prior
to the 1977 Clean Air Act Amendments remain obligated to comply with these requirements by the earlier
deadlines. The earlier attainment dates are set out at 40 CFR 52.2577(1978).
For actual nonattainment designations refer to 40 CFR part 81.Dates or footnotes which are italicized are prescribed by the Administrator because the plan did not provide a
specific date or the date provided was not acceptable. [48 FR 9862, Mar. 9, 1983]