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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.
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.