Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 204 - PREVENTION OF SIGNIFICANT DETERIORATION
Subpart B - DEFINITIONS
Section 204.500 - Major Source Baseline Date
Universal Citation: 35 IL Admin Code ยง 204.500
Current through Register Vol. 48, No. 38, September 20, 2024
"Major source baseline date" means:
a) In the case of PM10 and SO2, January 6, 1975;
b) In the case of NO2, February 8, 1988; and
c) In the case of PM2.5, October 20, 2010.
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