Wisconsin Administrative Code
Department of Natural Resources
NR 400-499 - Environmental Protection - Air Pollution Control
Chapter NR 415 - Control Of Particulate Emissions
Section NR 415.06 - Particulate matter emission limits for fuel burning installations

Universal Citation: WI Admin Code ยง NR 415.06

Current through August 26, 2024

No person may cause, allow or permit the emission of particulate matter to the ambient air from any indirect heat exchanger, power or heating plant, fuel-burning installation or pulp recovery furnace with maximum heat input more than one million Btu per hour in excess of one of the following limitations:

(1) All installations on which construction or modification was commenced on or before April 1, 1972 shall meet the emission limitations of this subsection:

(a) All installations shall meet the emission limitation of 0.60 pounds of particulate matter from any stack per million Btu heat input.

(b) Installations located in subregion 1 of the Lake Michigan Intrastate AQCR shall meet the emission limitation of 0.30 pounds of particulate matter from any stack per million Btu heat input.

(c) Installations located in the Southeastern Wisconsin Intrastate AQCR shall meet the following requirements:
1. Installations of 250 million Btu per hour or less: maximum emission defined by the equation

E - 0.3 - 0.0006I

where I is heat input in millions of Btu per hour and E is maximum allowable particulate matter emissions from any stack in pounds per million Btu heat input.

2. Installations of more than 250 million Btu per hour: maximum emission from any stack of 0.15 pounds of particulate matter per million Btu heat input.

(2) All installations on which construction or modification is commenced after April 1, 1972 shall meet the emission limitations of this subsection:

(a) Installations of 250 million Btu per hour or less except as provided in par. (b): maximum emission from any stack of 0.15 pounds of particulate matter per million Btu heat input.

(b) Installations of 100 million Btu per hour or less which are not located in the Southeastern Wisconsin Intrastate AQCR and which burn only wood, or wood simultaneously with liquid or gaseous fossil fuel: maximum emission from any stack of 0.50 pounds of particulate matter per million Btu heat input except that installations located in subregion 1 of the Lake Michigan Intrastate AQCR shall meet the requirements of sub. (1) (b).

(c) Installations of more than 250 million Btu per hour: maximum emission from any stack of 0.10 pounds of particulate matter per million Btu heat input.

(3) In addition to meeting the requirements of sub. (1) or (2), all installations located in or near an area identified in s. NR 415.035(2) whose aggregate particulate emissions, excluding fugitive dust, may cause an impact on the ambient air quality in the areas equal to or greater than an annual concentration of one microgram per cubic meter or a maximum 24-hour concentration of 5 micrograms per cubic meter shall meet the following RACT emission limitations:

(a) Installations of 100 million Btu per hour or less: maximum emission from any stack of 0.24 pounds of particulate matter per million Btu heat input.

(b) Installations of more than 100 million Btu per hour on which construction or modification commenced on or before April 1, 1972: maximum emission from any stack of 0.15 pounds of particulate matter per million Btu heat input.

(c) Installations of more than 100 million Btu per hour but of not more than 250 million Btu on which construction or modification commenced after April 1, 1972: maximum emission from any stack of 0.15 pounds of particulate matter per million Btu heat input.

(d) Installations of more than 250 million Btu per hour on which construction or modification commenced after April 1, 1972: maximum emission from any stack of 0.10 pounds of particulate matter per million Btu heat input.

(4) Notwithstanding sub. (3) (a) or (b), any fuel burning installation of 250 million Btu per hour or less on which construction or modification was commenced on or before April 1, 1972 may emit up to, but not more than, an emission rate defined by the equation

E - 0.3 - 0.0006I

where I is the heat input in millions of Btu per hour and E is the maximum allowable particulate matter emissions from any stack in pounds per million Btu heat input, if the installation has an emission rate based on original design or equipment performance test conditions, whichever is more restrictive, which is less than the limit set by the above equation, and the emission control system of the installations has not been allowed to degrade more than 0.05 pound per million Btu heat input from original design or acceptance performance test conditions.

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