On May 3, 1983, the Illinois Environmental Protection Agency
(Agency) submitted the April 21, 1983 Order to the United StatesEnvironmental Protection Agency (USEPA) as a supplement to therevision to the Illinois State Implementation Plan (SIP)pending before USEPA since the submission of the Board’s originalOrder herein of February 15, 1979.
Plan (SIP), USEPA has been reviewing the sufficiency of those
limitations and questions the use of a particular air qualitymodel with respect to its accuracy in predicting compli...
Allowed
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