35 Ill. Adm. Code 205.200
Participating Source
Section 205
Section 205.200
Participating Source
a) The requirements of this Part shall apply to any source
operating prior to May 1, 1999, located in the Chicago area, that:
1) emits or has the potential to emit 25 tons per year or more of
VOM or is required to obtain a CAAPP permit; and
2) has baseline emissions of at least 10 tons, as specified in
Section 205.320(a) of this Part, or seasonal emissions of at least 10 tons in
any seasonal allotment period beginning in 1999.
b) Each participating source shall hold ATUs, as specified in
Section 205.150(c) of this Part, in accordance with the following schedule:
1) For any participating source that has baseline emissions of at
least 10 tons of VOM, as determined in accordance with Section 205.320(a) of
this Part, beginning with the 1999 seasonal allotment period;
2) For any source that first becomes a participating source
because its VOM emissions increase to 10 tons per season or more in any
seasonal allotment period beginning with 1999 and this emissions increase is
not a major modification pursuant to 35 Ill. Adm. Code 203, beginning with the
first seasonal allotment period after such increased emissions occurred; or
3) For any source that will first be subject to the requirements
of this Part because of a VOM emissions increase at any time on or after May 1,
1999 that constitutes a major modification pursuant to 35 Ill. Adm. Code 203,
upon commencing operation of this modification.