IN.gov - Skip Navigation

Note: This message is displayed if (1) your browser is not standards-compliant or (2) you have you disabled CSS. Read our Policies for more information.

Air Quality in Indiana

Air Quality in Indiana > Reporting > Guidance Materials for the Emissions Statement > Abatement (Control) Device Codes Abatement (Control) Device Codes

Code Control Description
000 Uncontrolled
001 Wet Scrubber - High Efficiency
002 Wet Scrubber - Medium Efficiency
003 Wet Scrubber - Low Efficiency
004 Gravity Collector - High Efficiency
005 Gravity Collector - Medium Efficiency
006 Gravity Collector - Low Efficiency
007 Centrifugal Collector (Cyclone) - High Efficiency
008 Centrifugal Collector (Cyclone) - Medium Efficiency
009 Centrifugal Collector (Cyclone) - Low Efficiency
010 Electrostatic Precipitator - High Efficiency
011 Electrostatic Precipitator - Medium Efficiency
012 Electrostatic Precipitator - Low Efficiency
013 Gas Scrubber (General, Not Classified)
014 Mist Eliminator - High Velocity, i.e. V>250 Ft/Min
015 Mist Eliminator - Low Velocity, i.e. V<250 Ft/Min
016 Fabric Filter - High Temperature, i.e. T>250F
017 Fabric Filter - Medium Temperature, i.e. 180F>T<250F
018 Fabric Filter - Low Temperature, i.e. T<180F
019 Catalytic Afterburner
020 Catalytic Afterburner With Heat Exchanger
021 Direct Flame Afterburner
022 Direct Flame Afterburner With Heat Exchanger
023 Flaring
024 Modified Furnace or Burner Design
025 Staged Combustion
026 Flue Gas Recirculation
027 Reduced Combustion - Air Preheating
028 Steam or Water Injection
029 Low Excess Air Firing
030 Use of Fuel With Low Nitrogen Content
031 Air Injection
032 Ammonia Injection
033 Control of % O2 In Combustion Air (Off Stoichiometric Firing)
034 Wellman-Lord/Sodium Sulfite Scrubbing
035 Magnesium Oxide Scrubbing
036 Dual Alkali Scrubbing
037 Citrate Process Scrubbing
038 Ammonia Scrubbing
039 Catalytic Oxidation - Flue Gas Desulfurization
040 Alkalized Alumina
041 Dry Limestone Injection
042 Wet Limestone Injection
043 Sulfuric Acid Plant - Contact Process
044 Sulfuric Acid Plant - Double Contact Process
045 Sulfur Plant
046 Process Change
047 Vapor Recovery Sys (Incl. Condensers, Hooding, Other Enclosures)
048 Activated Carbon Adsorption
049 Liquid Filtration System
050 Packed-gas Absorption Column
051 Tray-type Gas Absorption Column
052 Spray Tower
053 Venturi Scrubber
054 Process Enclosed
055 Impingement Plate Scrubber
056 Dynamic Separator (Dry)
057 Dynamic Separator (Wet)
058 Mat or Panel Filter
059 Metal Fabric Filter Screen (Cotton Gins)
060 Process Gas Recovery
061 Dust Suppression by Water Sprays
062 Dust Suppression by Chemical Stabilizers or Wetting Agents
063 Gravel Bed Filter
064 Annular Ring Filter
065 Catalytic Reduction
066 Molecular Sieve
067 Wet Lime Slurry Scrubbing
068 Alkaline Fly Ash Scrubbing
069 Sodium Carbonate Scrubbing
070 Sodium-alkali Scrubbing
071 Fluid Bed Dry Scrubber
072 Tube and Shell Condenser
073 Refrigerated Condenser
074 Barometric Condenser
075 Single Cyclone
076 Multiple Cyclone W/O Fly Ash Reinjection
077 Multiple Cyclone W/ Fly Ash Reinjection
078 Baffle
079 Dry Electrostatic Granular Filter (DegF)
080 Chemical Oxidation
081 Chemical Reduction
082 Ozonation
083 Chemical Neutralization
084 Activated Clay Adsorption
085 Wet Cyclonic Separator
086 Water Curtain
087 Nitrogen Blanket
088 Conservation Vent
089 Bottom Filling
090 Conversion to Variable Vapor Space Tank
091 Conversion to Floating Roof Tank
092 Conversion to Pressurized Tank
093 Submerged Filling
094 Underground Tank
095 White Paint
096 Vapor Lock Balance Recovery System
097 Installation of Secondary Seal for External Floating Roof Tank
098 Moving Bed Dry Scrubber
099 Miscellaneous Control Devices
100 Baghouse
101 High-efficiency Particulate Air Filter (HEPA)
102 Low Solvent Coatings
103 Powder Coatings
104 Waterborne Coatings
105 Process Modification - Electrostatic Spraying
106 Dust Suppression by Physical Stabilization
107 Selective Noncatalytic Reduction for NOx
108 Dust Suppression - Traffic Control
109 Catalytic Oxidizer
110 Vapor Recovery Unit
112 Afterburner
113 Rotoclone
115 Impingement Type Wet Scrubber
116 Catalytic Incinerator
117 Packed Scrubber
118 Crossflow Packed Bed
119 Dry Scrubber
120 Floating Bed Scrubber
121 Multiple Cyclones
122 Quench Tower
123 Spray Scrubber
124 High Pressure Scrubber
125 Low Pressure Scrubber
127 Fabric Filter
128 Electrostatic Precipitator
129 Scrubber
130 Caustic Scrubber
131 Thermal Oxidizer
132 Condenser
133 Incinerator
134 Demister
137 Hvaf
138 Boiler At Landfill
139 SCR (Selective Catalytic Reduction)
140 NSCR (non-selective Catalytic Reduction)
141 Wet Scrubber
143 Wet Suppression
144 Spray Screen
145 Single Wet Cap
146 Wet Electrostatic Precipitator
147 Increased Air/Fuel Ratio With Intercooling
148 Clean Burn
149 Pre-combustion Chamber
150 Mechanical Collector
151 Fiber Mist Eliminator
152 Mist Eliminator - High Efficiency
153 Water Sprays
154 Screened Drums or Cages
155 Packed Bed Scrubber - High Efficiency
157 Screen
158 Ionizing Wet Scrubber
159 Electrified Filter Bed
201 Knock Out Box
202 Spray Dryer
203 Catalytic Converter
204 Overfire Air
205 Low NOx Burners
206 Dry Sorbent Injection
207 Carbon Injection
208 Freeboard Refrigeration Device