February 27; 1975KOPPERS COMPANY, INC.,Petitioner,vs.
The Clean Air Act,
the National Ambient Air Quality Standards and the IllinoisImplementation Plan together establish a compliance deadlinewhich cannot be extended by our variance order.
This the Board cannot and should not do.
There is the possibility that a procethire will be developed
for coordinating the action of State and Federal agencies intheir efforts to establish valid attainment dates for individualsources.
15 —595
Allowed
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