October 1, 1987IN THE MATTER OF:AMENDMENTS TO 35 ILL.
Reg.
10985,
June 19, 1987.
The statutory 45—day comment period ended on
August 3, 1987.
This Opinion supports the Board’s Order of September
24, 1987,This is one of a series of Board actions directed atpromulgating rules implementing Reasonably Available ControlTechnology (RACT) for the control of ozone precursors fromexisting major stationary sources (emissions greater than 100tons/year).
The implementation of RACT in non—attainment areas
for ozone is required as a part of a federally approvable StateImplementation Plan (SIP) under the federal Clean Air Act (CAA)(42 U.S.C. 7401 e...
Allowed
Administrator
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