Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 225 - CONTROL OF EMISSIONS FROM LARGE COMBUSTION SOURCES
Subpart B - CONTROL OF MERCURY EMISSIONS FROM COAL-FIRED ELECTRIC GENERATING UNITS
Section 225.237 - Emission Standards for New Sources with EGUs
Universal Citation: 35 IL Admin Code ยง 225.237
Current through Register Vol. 48, No. 38, September 20, 2024
a) Standards.
1) Except as provided in Sections
225.238
and
225.239,
the owner or operator of a source with one or more EGUs, but that previously
had not had any EGUs that commenced commercial operation before January 1,
2009, must comply with one of the following emission standards for each EGU on
a rolling 12-month basis:
A) An emission
standard of 0.0080 lb mercury/GWh gross electrical output; or
B) A minimum 90 percent reduction of input
mercury.
2) For this
purpose, compliance may be demonstrated using the equations in Section
225.230(a)(2),
(a)(3), or (b)(2).
b) The initial 12-month rolling period for which compliance with the emission standards of subsection (a)(1) of this Section must be demonstrated for a new EGU will commence on the date that the initial performance testing commences under 40 CFR 60.8. The CEMS (or an excepted monitoring system) monitoring required by this Subpart B for mercury emissions from the EGU must be certified prior to this date. Thereafter, compliance must be demonstrated on a rolling 12-month basis based on calendar months.
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