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TITLE 35: ENVIRONMENTAL PROTECTION
SUBTITLE B: AIR POLLUTION CHAPTER I: POLLUTION CONTROL BOARD SUBCHAPTER a: PERMITS AND GENERAL PROVISIONS PART 203 MAJOR STATIONARY SOURCES CONSTRUCTION AND MODIFICATION SECTION 203.1200 GOOD ENGINEERING PRACTICE
Section 203.1200 Good Engineering Practice
a) "Good engineering practice", with respect to stack height, means the greater of:
1) 65 meters, measured from the ground-level elevation at the base of the stack;
A) For a stack in existence on January 12, 1979, and for which the owner or operator had obtained all necessary preconstruction approvals or permits required under 40 CFR Parts 51 and 52 (incorporated by reference in 35 Ill. Adm. Code 204.100):
Hg = 2.5H,
provided the owner or operator produces evidence that this equation was actually relied on in establishing an emission limitation;
B) For all other stacks:
Hg = H + 1.5L
where:
b) For purposes of this definition, "stack" means any point in a source designed to emit solids, liquids, or gases into the air, including a pipe or duct but not including flares.
(Source: Added at 49 Ill. Reg. 6237, effective April 23, 2025) |