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["Appendix 2 - 2014 Proposed Control Device Code Retirements"]
["Code","Description","Type","Map To","Typical Pollutants Addressed","Typical Source Categories","Other Information"]
[24,"Modified Burner or Furnace Design","Device",null,"NOx",null,"Use a more specific code such as 205 (LNB)"]
[27,"Reduced Combustion - Air Preheating","Device",null,"NOx",null,"Use a more specific code such as 205 (LNB)"]
[33,"Control of % O2 in Combustion Air (Off Stoichiometric Firing)","Device",null,"NOx",null,"Same as LNB (205) or Staged Combustion (25)"]
[40,"Alkalized Alumina","Device",null,"SO2",null,"This was never used in the NEI or WebFIRE"]
[78,"Baffle","Device",null,"PM",null,"Part of a wet scrubber (141), use that instead"]
[80,"Chemical Oxidation","Device",{"$nulls":3},"When used with other devices, specify those such as catalytic oxidizer (109); also used for soil/ground water treatment"]
[81,"Chemical Reduction","Device",{"$nulls":3},"Used with other devices, not on its own, so specify those"]
[83,"Chemical Neutralization","Device",null,"NOx, others",null,"Used with scrubbers, so specify that instead"]
[84,"Activated Clay Adsorption","Device",48,"VOC, THC",null,"Use the general Adsorption (48) instead"]
[90,"Conversion to Variable Vapor Space Tank","Practice",null,"VOC","Storage tanks","This does not need to be listed as a control, instead pick an appropriate SCC"]
[91,"Conversion to Floating Roof Tank","Practice",null,"VOC","Storage tanks","This does not need to be listed as a control, instead pick an appropriate SCC"]
[92,"Conversion to Pressurized Tank","Practice",null,"VOC","Storage tanks","This does not need to be listed as a control, instead pick an appropriate SCC"]
[94,"Underground Tank","Practice",null,"VOC","Storage tanks","This does not need to be listed as a control, instead pick an appropriate SCC"]
[100,"Baghouse","Device",127,"PM, HAP metals","ICI boilers, EGUs","Use Fabric Filter (127) instead"]
[122,"Quench Tower","Device",null,"PM","Asphalt Roofing","This is not typically a control device, but part of coke oven or other process"]
[129,"Scrubber","Device",null,"PM, SO2, NOx, VOC",null,"Specify wet, dry, or other more specific form of scrubber"]
[131,"Thermal Oxidizer","Device",null,"VOC","Chemical Manufacturing","There is overlap in the definitions of afterburners and thermal oxidizers.  Choose the most appropriate one for the situation"]
[138,"Boiler at Landfill","Device",null,"VOC","Landfills, etc","Select an appropriate SCC for the source instead of listing this as a control device"]
[143,"Wet Suppression","Practice",217,"PM","Unpaved roads","Use Dust Suppression (217)"]
[144,"Spray Screen","Device",{"$nulls":3},"This was never used in the NEI and does not seem to be needed"]
[148,"Clean Burn","Device",{"$nulls":3},"Used in conjunction with FGR and LNB, so select those instead"]
[150,"Mechanical Collector","Device",75,null,null,"Use cyclone (75) instead"]
[210,"Centrifugal Collector","Device",75,"PM",null,"Use single cyclone (75) or other more appropriate code"]
[216,"Sulfuric Acid Plant","Device",{"$nulls":3},"Select an appropriate SCC for the source instead of listing this as a control device"]
[219,"Increased Monitoring Frequency (IMF) of PM Controls","Practice",{"$nulls":3},"This is not used or needed"]
[220,"CEM Upgrade and Increased Monitoring Frequency of PM Controls","Practice",{"$nulls":3},"This is not used or needed"]