35 Ill. Adm. Code 217.825
Calculation of Creditable NOx Emission Reductions
Section 217
Section 217.825 Calculation
of Creditable NO
x
Emission Reductions
For actual NO
x
emission reductions achieved pursuant to Section 217.815(a) of this Subpart,
the gross amount of control period actual NO
x
emission reductions
shall be determined pursuant to Section 217.820 of this Subpart. Eighty
percent of the actual NO
x
emission reductions achieved pursuant to Section
217.815(a) shall be creditable. Twenty percent of the actual NO
x
emission reductions shall be retired for the benefit of air quality.