35 Ill. Adm. Code 201.122
Proof of Emissions
Section 201
Section 201.122 Proof of
Emissions
Notwithstanding other provisions
of this Chapter, evidence that specified air contaminant emissions, as
calculated on the basis of standard emission factors or other factors generally
accepted as true by those persons engaged in the field of air pollution control,
exceed the limitations prescribed by this Chapter shall constitute adequate
proof of a violation, in the absence of a showing that actual emissions are in
compliance.