ILLINOIS REGISTER 10447
09
POLLUTION CONTROL BOARD
NOTICE OF ADOPTED AMENDMENTS
the extent of design engineering, the amount of off-site
preparation, whether equipment can be fabricated or can be
purchased, when the project begins (considering both the seasonal
nature of the construction activity and the existence of other
projects competing for construction labor at the same time, the
place of the environmental permit in the sequence of corporate and
overall governmental approval), and the nature of the project
sponsor (e.g., private, public, regulated).
"Commence operation", for purposes of Subparts C, D and E, means:
To have begun any mechanical, chemical, or electronic process, including,
for the purpose of a unit, start-up of a unit's combustion chamber, except
as provided in 40 CFR 96.105, 96.205, or 96.305, as incorporated by
reference in Section 225.140.
For a unit that undergoes a physical change (other than replacement of the
unit by a unit at the same source) after the date the unit commences
operation as set forth in the first paragraph of this definition, such date will
remain the date of commencement of operation of the unit, which will
continue to be treated as the same unit.
For a unit that is replaced by a unit at the same source (e.g., repowered),
after the date the unit commences operation as set forth in the first
paragraph of this definition, such date will remain the replaced unit's date
of commencement of operation, and the replacement unit will be treated as
a separate unit with a separate date for commencement of operation as set
forth in this definition as appropriate.
"Common stack" means a single flue through which emissions from two or more
units are exhausted.
"Compliance account" means:
For the purposes of Subparts D and E, a CAIR NOx Allowance Tracking
System account, established by USEPA for a CAIR NOx source or CAIR
NOx Ozone Season source pursuant to 40 CFR 96, subparts FF and FFFF
in which any CAIR NOx allowance or CAIR NOx Ozone Season
allowance allocations for the CAIR NOx units or CAIR NOx Ozone
