Source Category Name 

1,1,2,2-Tetrachloroethane1,2-Dichloropropane1,3 Butadiene1,3-Dichloropropene7-PAHAcetaldehydeAcroleinAcrylonitrileArsenic CompoundsBenzeneBeryllium CompoundsCadmium CompoundsChloroformChromium CompoundsDioxins (2,3,7,8-TCDD)Ethylene DichlorideEthylene OxideFormaldehydeHexachlorobenzeneHydrazineLead CompoundsManganese CompoundsMercury CompoundsMethylene ChlorideNickel CompoundsPolychlorinated biphenylsQuinolineTetrachloroethyleneTrichloroethyleneVinyl Chloride

Adhesives and Sealants 0.02 0 0.01 0 0.22 0 0.02

Aerospace Industries 0 0.1 0 0.22 0.07 0.03 0 0 3.67 0.48 0.12 4.25

Agricultural Chemicals and 

Pesticides 0 0 0.09 0.01 0 0.01

Air and Gas Compressors 0.08

Aluminum Die-Castings 0 0 0.05 0.02 0.01 0.05

Aluminum Extruded Products 0.12 0 0.09 0.02 0.16 0.01

Aluminum Foundries 0.04 0.01

Aluminum Sheet, Plate, and Foil 

manufacturing 0.06

Ammunition, Except for Small Arms 0.06 0.01

Analytical Instruments 0.01

Animal Cremation 0 0.07 0.05 0.01 0

Apparel and Accessories, nec 0.2 0.01

Asbestos Products Manufacturing 0.04

Asphalt Concrete Manufacturing 6.96 0.01 0 0.11

Asphalt Roofing Manufacturing 0 0

Automotive Services, Nec 0.04

Automotive stampings 0.78 0.16 0.11 0.12 0.03 0.35 0 0.05

Aviation Gasoline Distribution: 

Stage I & II 0.03

Bags, Except Textile Bags 0

Ball and Roller Bearings 

Manufacturing 0.13 0.09 0.11 0

Beet Sugar 0

Biological Products, Except 

Diagnostic 0

Blowers and Fans 0.05 0.08 0.04 0.1

Boat Manufacturing 0 0 0.13 0

Bolts, Nuts, Rivets and Washers 

Manufacturing 0 0.01 0 0 0 0.02

Source Categories Grouped as "Other" in Table of Promulgated Categories Percentage Contributions 

Page 1 of 14
Source Category Name 

1,1,2,2-Tetrachloroethane1,2-Dichloropropane1,3 Butadiene1,3-Dichloropropene7-PAHAcetaldehydeAcroleinAcrylonitrileArsenic CompoundsBenzeneBeryllium CompoundsCadmium CompoundsChloroformChromium CompoundsDioxins (2,3,7,8-TCDD)Ethylene DichlorideEthylene OxideFormaldehydeHexachlorobenzeneHydrazineLead CompoundsManganese CompoundsMercury CompoundsMethylene ChlorideNickel CompoundsPolychlorinated biphenylsQuinolineTetrachloroethyleneTrichloroethyleneVinyl Chloride

Source Categories Grouped as "Other" in Table of Promulgated Categories Percentage Contributions 

Bottled and Canned Soft Drinks 0

Brass, Bronze, Copper, Copper 

Base Alloy Foundries 0.61 0.12 0.35

Brooms and Brushes 0.08 0 0

Burial Caskets 0.04

Business Services, nec (7399) 0

Canned Fruits and Vegetables 0

Carbon and Graphite Products 0.03

Carbon Black Production 0.14 0.23

Carbon Reactivation Furnaces 0.02

Carburetors, Pistons, Rings and 

Valves Manufacturing Cathode Ray Television Picture 0 0.08 0.11 0.08 0.2 0.06

Tubes Manufacturing 0.06 0.09 0.03 0.05 0.07

Cement, Hydraulic (not subject to 

Portland Cement MACT) 0 0 0.02 0.11 0.05 0 0 0 0 0 0

Chemical Manufacturing: Alkalies 

and Chloride (not subject to Chlorine 0

Chemical Manufacturing: Phenol 0.01

Chemical Preparations 0 1 0.01 0.01 0.14 1.32 0.05 0.01 0.01

Chemicals and Allied Products 

Manufacturing 0.01 0.02 0 0 0 0 0

Chemicals and Allied Products, nec 0 0 0.09 0 0.02 0 0.01

Clay Products Manufacturing 0 0

Clay Refractories (not subject to 

Refractories Manufacturing MACT) 0 0.04

Cold Finishing of Steel Shapes 0.16 0.03 0.41 0.18 0.04

Commercial Lighting Fixtures 0.01

Commercial Physical Research 0 0 0 0.01 0 0.01 0 0

Commercial Printing, Letterpress, 

and Screen 0.39 0.01

Commercial Printing, Lithographic 0.05 0.01

Communications Equipment, nec 0.02 0

Page 2 of 14
Source Category Name 

1,1,2,2-Tetrachloroethane1,2-Dichloropropane1,3 Butadiene1,3-Dichloropropene7-PAHAcetaldehydeAcroleinAcrylonitrileArsenic CompoundsBenzeneBeryllium CompoundsCadmium CompoundsChloroformChromium CompoundsDioxins (2,3,7,8-TCDD)Ethylene DichlorideEthylene OxideFormaldehydeHexachlorobenzeneHydrazineLead CompoundsManganese CompoundsMercury CompoundsMethylene ChlorideNickel CompoundsPolychlorinated biphenylsQuinolineTetrachloroethyleneTrichloroethyleneVinyl Chloride

Source Categories Grouped as "Other" in Table of Promulgated Categories Percentage Contributions 

Computer Terminals 0.03

Concrete Block and Brick 0.08

Concrete Products 0.04 0.02

Condensed and Evaporated Milk 0

Conveyors and Conveying 

Equipment Manufacturing 0.15 0.04 0.2

Copper Rolling and Drawing 1.04 0.04 0.37 0.01 0.41 0.01 0.04

Crushed And Broken Limestone 0

Custom Compound Purchased 

Resins Manufacturing 0.03 0.02 1.11 1.19 0.16 0.05 0.05

Cutlery 0.08 0.04 0.05

Cyclic Crude and Intermediate 

Production 0.41 0.2 0.06 0.04

Dental Equipment and Supplies 0.05

Dog and Cat Food 0.03 0.01

Drapery Hardware and Blinds and 

Shades 0

 Drum and Barrel Reclamation 0 0.05 0.18

 Edible Fats and Oils 0

Electric Lamps 0.08 0.39 1.45 0.03

Electrical Equipment and Supplies, 

nec 0.01

Electrical Industrial Apparatus, nec 0 0 0.03

Electromedical Equipment 

Manufacturing 0.02

Electron Tubes Manufacturing 0 0

Electronic Capacitors Manufacturing 0 0.01 0.11

Electronic Coils and Transformers 0.05

Electronic Components and 

Accessories 0.04

Electronic Components, nec 0.05 0 0 0.01 0.11 0.01 0.01 0.11 0.01 0.02 0.2

Page 3 of 14
Source Category Name 

1,1,2,2-Tetrachloroethane1,2-Dichloropropane1,3 Butadiene1,3-Dichloropropene7-PAHAcetaldehydeAcroleinAcrylonitrileArsenic CompoundsBenzeneBeryllium CompoundsCadmium CompoundsChloroformChromium CompoundsDioxins (2,3,7,8-TCDD)Ethylene DichlorideEthylene OxideFormaldehydeHexachlorobenzeneHydrazineLead CompoundsManganese CompoundsMercury CompoundsMethylene ChlorideNickel CompoundsPolychlorinated biphenylsQuinolineTetrachloroethyleneTrichloroethyleneVinyl Chloride

Source Categories Grouped as "Other" in Table of Promulgated Categories Percentage Contributions 

Electronic Connectors 0 0.14

Electronic Resistors 0.05

Elevators and Moving Stairways 

Manufacturing 0.06 0.03

Engine Electric Equipment 0.06 0.05

Engineering, Laboratory, Scientific 

and Research 0 0 0 0

Environmental Controls 

Manufacturing 0.03 0.01 0.06

Fabricated Metal Products 

Manufacturing 0.27 0.05

Fabricated Metal Products, nec 0.02 0.01

Fabricated Pipe and Fittings 0.04 0.27 0.02 0.05 0.01 0.02

Fabricated Rubber Products, nec 0.07 0 0 0.12 0 0.12 0 0.01 0.13

Fabricated Structural Metal 

Manufacturing 0.03 0

Fabricated Structural Metal Products 0.01 0.03 0.15 0.06

Fabricated Textile Products, nec 0.05

Farm Machinery and Equipment 

Manufacturing 0.31 0.08 0

Fasteners, Buttons, Needles, and 

Pins 0

Fertilizers, Mixing only 0.04 0 1.09

Flat Glass 0

Flavoring Extracts and Syrups 

Production 0 0.01

Fluid Meters and Counting Devices 0.08 0.01 0

Fluid Power Cylinders and 

Activators 0 0 0

Fluid Power Pumps and Motors 0.01 0.01 0.02

Fluorescent Lamp Recycling 0.01

Food Preparations Production 0.42 0 0

Page 4 of 14
Source Category Name 

1,1,2,2-Tetrachloroethane1,2-Dichloropropane1,3 Butadiene1,3-Dichloropropene7-PAHAcetaldehydeAcroleinAcrylonitrileArsenic CompoundsBenzeneBeryllium CompoundsCadmium CompoundsChloroformChromium CompoundsDioxins (2,3,7,8-TCDD)Ethylene DichlorideEthylene OxideFormaldehydeHexachlorobenzeneHydrazineLead CompoundsManganese CompoundsMercury CompoundsMethylene ChlorideNickel CompoundsPolychlorinated biphenylsQuinolineTetrachloroethyleneTrichloroethyleneVinyl Chloride

Source Categories Grouped as "Other" in Table of Promulgated Categories Percentage Contributions 

Food Preparations Production 0

Food Products Machinery 0.04 0.05

Food Products Machinery 

Manufacturing 0 0

Footwear Cut Stock 0

Friction Products Manufacturing 0.01 0 0.03

Gaskets, Packing and Sealing 

Devices Manufacturing 0 0

General Industrial Machinery 

Manufacturing 0.16 0.01 0.08 0.03 0.2

General Laboratory Activities 0.89

Geothermal Power 2.16

Guided Missiles and Space Vehicles 

Manufacturing 0.51

Gum and Wood Chemical 

Manufacturing 0.01

Hand and Edge Tools Manufacturing 0 0.09 0 0.04 0.1 0.04

Hardware Manufacturing 0.08 0 0 0.02 0 0.1 0

Heating Equipment, Except Electric 0.03

Heavy Construction, Nec 0.04 0.04 0.05

Highway And Street Construction 0.08

Household Appliances 0.01

Household Audio and Video 

Equipment 0.06

Household Vacuum Cleaners 0.04 0

Human Cremation 0 0.03 0.02 0.01 0 0.99

Hydrochloric Acid Production 0 0.4 0 0.01 0 0.05 0 0 0.01 0 0.04 0 0.14 0 0 0.05

Industrial Boilers 0 0 0

Industrial Controls 0.02 0.04

Industrial Equipment: Finishing 

Operations

Page 5 of 14
Source Category Name 

1,1,2,2-Tetrachloroethane1,2-Dichloropropane1,3 Butadiene1,3-Dichloropropene7-PAHAcetaldehydeAcroleinAcrylonitrileArsenic CompoundsBenzeneBeryllium CompoundsCadmium CompoundsChloroformChromium CompoundsDioxins (2,3,7,8-TCDD)Ethylene DichlorideEthylene OxideFormaldehydeHexachlorobenzeneHydrazineLead CompoundsManganese CompoundsMercury CompoundsMethylene ChlorideNickel CompoundsPolychlorinated biphenylsQuinolineTetrachloroethyleneTrichloroethyleneVinyl Chloride

Source Categories Grouped as "Other" in Table of Promulgated Categories Percentage Contributions 

Industrial Furnaces and Ovens 0.05 0.04 0.05 0.05

Industrial Gases Manufacturing 0.16

Industrial Inorganic Chemical 

Manufacturing 0 0.03 0.04 0 0

Industrial Machinery, nec 0.04 0.1 0 0.07

Industrial Manufacturing and 

Equipment: finishing operations 0.07

Industrial Organic Chemical 

Manufacturing 0 0.78 0.45 1.31 0.28 0 0.02

Industrial Patterns 0

Industrial Patterns Packaging 

machinery 0 0.01 0

Inorganic Pigments Manufacturing 0 0

Institutional/Commercial Heating 0 0

Instrument Manufacturing 0.83

Instruments to Measure Electricity 0.04 0.07

Internal Combustion Engine 

Manufacturing 0 0.05 0.05

Iron Foundries 0 0.01 0

Jewelry, Precious Metal 0.03 0.01 0.06

Lamp Breakage 1.67

Large Appliance (Surface Coating) 0 0.39 0.08 0.06 0.2 0.28 0.26 0.01 0.14

Lawn and Garden Equipment 0 0.08 0.05 0.07

Lead Acid Battery Manufacturing 0.1 0 0 0

Lead Pencils, Art Goods 

Manufacturing 0.03 0.78 0.08 0.06 0.08 0.1

Leather Goods, nec 0 0.01

Leather Tanning and Finishing 

Operations 0.04 0 0

Lighting Equipment 0 0.06 0.12 0.05 0

Lubricating Oils and Greases 0 0.06 0.01 0 0.08

Luggage 0.03

Machine Tool Accessories 0 0.03 0.1 0.01 0

Page 6 of 14
Source Category Name 

1,1,2,2-Tetrachloroethane1,2-Dichloropropane1,3 Butadiene1,3-Dichloropropene7-PAHAcetaldehydeAcroleinAcrylonitrileArsenic CompoundsBenzeneBeryllium CompoundsCadmium CompoundsChloroformChromium CompoundsDioxins (2,3,7,8-TCDD)Ethylene DichlorideEthylene OxideFormaldehydeHexachlorobenzeneHydrazineLead CompoundsManganese CompoundsMercury CompoundsMethylene ChlorideNickel CompoundsPolychlorinated biphenylsQuinolineTetrachloroethyleneTrichloroethyleneVinyl Chloride

Source Categories Grouped as "Other" in Table of Promulgated Categories Percentage Contributions 

Machine tools, Metal Cutting Types 0.08 0.09 0.06 0

Machine tools, Metal Forming Types 0.16 0.28 0.01

Magnetic and Optical Recording 

Media Manufacturing 0.04

Manifold Business Forms 0.04 0.08 0.05 0.01

Manufacturing Industries, nec 0.02 0.1 0 0.08 0.04 0.11 0.11 0.12

Marking Devices 0.01

Measuring and Controlling Devices, 

nec 0 0.12

Measuring and Dispensing Pumps 0.01

Meat Packing Plants 0

Men's and Boys' Shirts 0.03

Men's and Boys' Work Clothing 0

Men's Footwear, Except Athletic 0.03

Metal Barrels, Drums, and Pails 0 0 0.11 0 0.03 0

Metal Can (Surface Coating) 0.63 0

Metal coating and allied services 0.24 0 0.04 0.01 0.03 0.16 0.03 0.12

Metal Coil (Surface Coating) 0.03 0 0 0.1 0 0.01

Metal Doors, Sash, and Trim 0.08 0.12 0.02 0.1 0.02

Metal Forgings and Stampings 0.04 0.03 0.04 0.05 0

Metal Furniture (Surface Coating) 0 0 0 0.05 0.35

Metal Heat Treating Manufacturing 0.02 0.04 0.25 0 0.05 0.04 0.12

Metal Sanitary Ware Manufacturing 0.11 0.08 0.16 0.2

Metal Services, nec 0.04 0 0.1 0

Metal Stampings Manufacturing 0.19 0.01 0.08 0.23 0.02 0.5

Metal Valves 0.05 0.04 0.06 0

Metalworking Machinery 0.08 0.04 0.1 0

Metalworking Machinery, nec 0.01

Millwork, Plywood, and Structural 

Members 0.01

Page 7 of 14
Source Category Name 

1,1,2,2-Tetrachloroethane1,2-Dichloropropane1,3 Butadiene1,3-Dichloropropene7-PAHAcetaldehydeAcroleinAcrylonitrileArsenic CompoundsBenzeneBeryllium CompoundsCadmium CompoundsChloroformChromium CompoundsDioxins (2,3,7,8-TCDD)Ethylene DichlorideEthylene OxideFormaldehydeHexachlorobenzeneHydrazineLead CompoundsManganese CompoundsMercury CompoundsMethylene ChlorideNickel CompoundsPolychlorinated biphenylsQuinolineTetrachloroethyleneTrichloroethyleneVinyl Chloride

Source Categories Grouped as "Other" in Table of Promulgated Categories Percentage Contributions 

Mineral Wool Manufacturing (not 

subject to Mineral Wool Production 

MACT) 0.02

Mining Machinery Manufacturing 0.15 0 0.4 0.01 0.08 0

Miscellaneous Fabricated Metal 

Products 0.2 0.58 0.26 0.01 0.08

Miscellaneous Fabricated Wire 

Products 0.2 0 0.03 0.12 0.04 0.3 0.01 0.05

Miscellaneous Metal Work 0.05 0.05

Miscellaneous Plastics Products 0.01 0.1 0.09 0 0.22 0 0

Miscellaneous Publishing 0

MON 0 4.73 0.1 1.08 0.2 0.11 0.11 0 0 0.62

Motor Vehicle Equipment 0

Motors and Generators 

Manufacturing 0.16 0 0.01 0.02

Natural Gas Transmissions and 

Storage 3.17

Nitrogenous Fertilizers 0

Nonclay Refractories (not subject to 

Refractories Manufacturing MACT) 0.24 0.15

Noncurrent-Carrying Wiring Devices 0 0.19 0 0

Nonferrous Die-castings, Except 

Aluminum 0.08 0.01 0.14 0.08 0.25 0.16

Nonferrous Forgings 0.12 0.03 0 0.25

Nonferrous Foundries, nec 0.01

Nonferrous Rolling and Drawing 0.78 0.08 0.15 0 0.01 0.12 0

Nonferrous Wire Drawing and 

Insulating 0.02 0.76 0.13 0 0.01

Nonmetallic Mineral Products 

Manufacturing 0 0 0 0.01 0 0 0

Nutritional Yeast Manufacturing 1.79

Page 8 of 14
Source Category Name 

1,1,2,2-Tetrachloroethane1,2-Dichloropropane1,3 Butadiene1,3-Dichloropropene7-PAHAcetaldehydeAcroleinAcrylonitrileArsenic CompoundsBenzeneBeryllium CompoundsCadmium CompoundsChloroformChromium CompoundsDioxins (2,3,7,8-TCDD)Ethylene DichlorideEthylene OxideFormaldehydeHexachlorobenzeneHydrazineLead CompoundsManganese CompoundsMercury CompoundsMethylene ChlorideNickel CompoundsPolychlorinated biphenylsQuinolineTetrachloroethyleneTrichloroethyleneVinyl Chloride

Source Categories Grouped as "Other" in Table of Promulgated Categories Percentage Contributions 

Ophthalmic Goods 0.02 0 0.02

Optical Instruments and Lenses 0

Optical instruments and lenses 

(disc. 1987, 3827) 0.01

Ordnance And Accessories, nec 0.03

Other Source Categories (HCB) 1.3

Other Source Categories (PCB) 0.41

Paint Stripping Operations [3] 

Paints and Allied Products 

Manufacturing 0.1 0.02 0 0

Paper And Allied Products 2.37

Paper and Other Webs (Surface 

Coating) 0.08 0.04 0.08 0.02 0.03 0.05

Paper Coating and Glazing 

Manufacturing 0.01 0

Paper Industries Machinery 0.19 0.17 0.24

Paper Mills (not subject to Pulp and 

Paper MACT) 3.34 0.18

Paperboard Mills 0

Particleboard 0

Petroleum Bulk Stations and 

Terminals (not subject to Petroleum 

Refining MACT) 0.02 0 0

Petroleum Products, nec 0

Petroleum Refineries: Other 

Sources Not Distinctly Listed 1.26

Petroleum Refining (not subject to 

Petroleum Refining MACT) 1.99 0.53 0.05 0.47 0.34 0.07 0 0.26 0

Pharmaceuticals Production 0 0.05 0.1 0.2 0 0.03

Phosphate Fertilizers Production 0.06 0.36

Photographic Equipment And 

Supplies 0 0.01 0.02 0

Page 9 of 14
Source Category Name 

1,1,2,2-Tetrachloroethane1,2-Dichloropropane1,3 Butadiene1,3-Dichloropropene7-PAHAcetaldehydeAcroleinAcrylonitrileArsenic CompoundsBenzeneBeryllium CompoundsCadmium CompoundsChloroformChromium CompoundsDioxins (2,3,7,8-TCDD)Ethylene DichlorideEthylene OxideFormaldehydeHexachlorobenzeneHydrazineLead CompoundsManganese CompoundsMercury CompoundsMethylene ChlorideNickel CompoundsPolychlorinated biphenylsQuinolineTetrachloroethyleneTrichloroethyleneVinyl Chloride

Source Categories Grouped as "Other" in Table of Promulgated Categories Percentage Contributions 

Plastic materials and resins 

manufacturing [6] 1.63 0.11

Plastic Parts and Products (Surface 

Coating) 0 0.03 0.04

Plastics Materials and Resins 

Manufacturing 0.14 0 0.04 2.49

Plastics Products Inc. Plastic Bottles 0.05

Platemaking Services 0.02

Plating And Polishing 0.19 0 0.06 0.08

Plumbing And Heating, Except 

Electric 0.04 0

Plumbing Fixture Fittings and Trim 0.1 0.73 0.08 0 0.22 0 0.04

Plywood/Particle Board 

Manufacturing 0.01 0 0 0.19 0 0.01

Polishes and Sanitation Goods 

Manufacturing 0 0 0.16 0.01 0

Polyether Polyols Production 1.6

Polymers and Resins (I,II,and IV) [2] 0.14

Polyvinyl Chloride and Copolymers 

Production 0

Portland Cement Manufacture 

(Combined) 0

Potato Chips and Similar Snacks 0

Poultry Slaughtering and Processing 0

Power Driven Handtools 0

Power Transmission Equipment 0 0.01 0.16 0 0.01

Prepared Feeds Manufacturing 0.77 0.23

Pressed and Blown Glass and 

Glassware Manufacturing 0 0.01 0

Page 10 of 14
Source Category Name 

1,1,2,2-Tetrachloroethane1,2-Dichloropropane1,3 Butadiene1,3-Dichloropropene7-PAHAcetaldehydeAcroleinAcrylonitrileArsenic CompoundsBenzeneBeryllium CompoundsCadmium CompoundsChloroformChromium CompoundsDioxins (2,3,7,8-TCDD)Ethylene DichlorideEthylene OxideFormaldehydeHexachlorobenzeneHydrazineLead CompoundsManganese CompoundsMercury CompoundsMethylene ChlorideNickel CompoundsPolychlorinated biphenylsQuinolineTetrachloroethyleneTrichloroethyleneVinyl Chloride

Source Categories Grouped as "Other" in Table of Promulgated Categories Percentage Contributions 

Primary Battery, Dry and Wet 

Manufacture 0 0.03 0.7 0.01 0

Primary Lead Smelting 0.01

Printing Ink 0.16 0.16 0.02

Printing Trades Machinery 

Manufacturing 0.56

Printing, Coating, and Dyeing of 

Fabrics 0.44 0.04 0 0 0.12 0 0.01 0.02

Printing/Publishing (Surface 

Coating) 0.02 0.07 0.1 0 0.05 0.04

Process Control Instruments 0 0 0.1 0.02 0.02

Products of Purchased Glass 0.17 0

Pumps and Pumping Equipment 

Manufacturing 0.02 0.01

Radio and Television 

Communications Equipment (3662) 0.11 0.01 0.01 0.07

Radio and Television 

Communications Equipment (3663) 0 0 0.04 0.01

Railroad Equipment Manufacturing 0.08 0.06 0.66 0.07

Reconstituted Wood Products 0.1

Refractories Manufacturing 0.2 0.02

Refuse Systems 0 0 2.46 0

Reinforced Plastic Composites 

Production 0.24 0.01 0 0.04 0.02 0.2 0.01 0

Relays and Industrial Controls 0.08 0.05 0.01

Residential lighting fixtures 0.01

Rubber & Misc. Plastic Products 0

Rubber and Plastic Hose and 

Belting Manufacturing 0.04 0.03

Sanitary Food Containers 0

Saw Blades and Handsaws 0 0 0

Page 11 of 14
Source Category Name 

1,1,2,2-Tetrachloroethane1,2-Dichloropropane1,3 Butadiene1,3-Dichloropropene7-PAHAcetaldehydeAcroleinAcrylonitrileArsenic CompoundsBenzeneBeryllium CompoundsCadmium CompoundsChloroformChromium CompoundsDioxins (2,3,7,8-TCDD)Ethylene DichlorideEthylene OxideFormaldehydeHexachlorobenzeneHydrazineLead CompoundsManganese CompoundsMercury CompoundsMethylene ChlorideNickel CompoundsPolychlorinated biphenylsQuinolineTetrachloroethyleneTrichloroethyleneVinyl Chloride

Source Categories Grouped as "Other" in Table of Promulgated Categories Percentage Contributions 

Sawmills and Planing Mills, general 0.01

Scrap and Waste Materials 5.49

Screw Machine Products 

Manufacturing 0.01 0 0.13 0.01 0.01 0.57

Search and Navigation Equipment 0.06 0.04

Secondary Lead Smelting 0.01 0.09 0 0

Secondary Mercury Production 0.62

Secondary Nonferrous Metals 

Production 0.01

Secondary Zinc Production 2.4

Semiconductor Manufacturing 0.08 0.02 0.03

Sewage Sludge Incineration 0.02 0.05 0.66 0.33 0.02 0.01 0 0 0 0.65

Sheet Metal Work Shipbuilding and Ship Repair 0.23 0.03 0.26 0.21 0.01

(Surface Coating) 0 0 0 0 0.01 0 0 0

Silverware and Plated Ware 0.06

Small Arms 0.04 0.09

Small Arms Ammunition 0

Soap and Other Detergents 

Manufacturing 0.08 6.67 0.03 0.01 0.04 0.1

Soaps, Cleaners, and Toilet Goods 0 0 0

Softwood Drying Kilns 1.85 0.25

Softwood Veneer and Plywood 0.08

Space Research and Technology 0 0.39 0 0.04 0 0 0.06 0 0.41 0 0.05 0

Space Vehicle Parts and 

Equipment, nec 0.02 0.01

Special Dies, Tools, Jigs and 

Fixtures 0.15 0 0.08 0.03 0.26 0 0.06

Special Industry Machinery, nec 0.02 0.9 0 0.01 0.09 0.02

Speed Changers, Drives, and Gears 0.01 0.03 0.1 0.16 0 0.01

Stainless and Non-stainless Steel 

Manufacture - EAF 0.01 0.01 0.03 0

Page 12 of 14
Source Category Name 

1,1,2,2-Tetrachloroethane1,2-Dichloropropane1,3 Butadiene1,3-Dichloropropene7-PAHAcetaldehydeAcroleinAcrylonitrileArsenic CompoundsBenzeneBeryllium CompoundsCadmium CompoundsChloroformChromium CompoundsDioxins (2,3,7,8-TCDD)Ethylene DichlorideEthylene OxideFormaldehydeHexachlorobenzeneHydrazineLead CompoundsManganese CompoundsMercury CompoundsMethylene ChlorideNickel CompoundsPolychlorinated biphenylsQuinolineTetrachloroethyleneTrichloroethyleneVinyl Chloride

Source Categories Grouped as "Other" in Table of Promulgated Categories Percentage Contributions 

Stationary Combustion Turbines 3.14 0.04 2.21

Stationary Internal Combustion 

Engines 0.01

Steel and Iron Reclamation- Auto 

Scrap Burning 0.15 0 0.2

Steel Foundries 0.1

Steel Pipe and Tubes Manufacturing 0.25 0.19 0.3 0.3 0 0.05

Steel Springs, Except Wire 0 0

Steel Wire and Related Products 

Manufacturing 0.15 0.28 0.24 0.15

Surface Active Agents 

Manufacturing 0.03 0 1.76 0.04 0

Surgical and Medical Instruments 

Manufacturing 0.04 0.09 0.04 0.05 0.05

Surgical Appliances and Supplies 

Manufacturing 0.06

Switchgear and Switchboard 

Apparatus 0.04 0.06 0.05 0.01 0.01

Taconite Iron Ore Processing 0 0 0

Tanks and Tank Components 

Manufacturing 0 0 0.03

Telephone and Telegraph Apparatus 0.02 0

Textile Machinery 0 0 0.05

Tire Production 0.03 0.27 0.06 0 0.67 0.03 0 0 0.02 0 0.08 0 0.01 0.01 0 0 0.01

Tires and Inner Tubes (not subject 

to Tire Production MACT) 0.02

Toilet Preparations Manufacturing 0 0.01

Toys and Sporting Goods 0.01

Transformers, Except Electronic 0 0.07 0 0.01 0 0.01

Transmitting, Industrial and Special 

Purpose Elect 0

Page 13 of 14
Source Category Name 

1,1,2,2-Tetrachloroethane1,2-Dichloropropane1,3 Butadiene1,3-Dichloropropene7-PAHAcetaldehydeAcroleinAcrylonitrileArsenic CompoundsBenzeneBeryllium CompoundsCadmium CompoundsChloroformChromium CompoundsDioxins (2,3,7,8-TCDD)Ethylene DichlorideEthylene OxideFormaldehydeHexachlorobenzeneHydrazineLead CompoundsManganese CompoundsMercury CompoundsMethylene ChlorideNickel CompoundsPolychlorinated biphenylsQuinolineTetrachloroethyleneTrichloroethyleneVinyl Chloride

Source Categories Grouped as "Other" in Table of Promulgated Categories Percentage Contributions 

Trucking, Except Local 0.01

Turbines and Turbine Generator 

Sets 0.11 0.1

Unsupported Plastics Film & Sheet 0.27 0.04 1.49

Unsupported Plastics Profile Shapes 0.11 0 0.08

Welding Apparatus 0.05 0.19 0.07 0.01

Welding Apparatus, Electric 0.04 0.1 0.05

Wet Corn Milling 0.3 0.09 0.18

Wire Springs 0.3 0.04 0 0

Wood Furniture (Surface Coating) 0.04 0.03 0.01 0.05

Wood Partitions and Fixtures 0.03

Wood Preserving 0.02 0.09

Wood Products 0 0

Wool Fiberglass Manufacturing 0 0 0.18 0

X-ray Apparatus and Tubes 0.01

Cumulative percentage above 0 5 4 0 7 7 1 4 1 6 1 7 7 10 0 7 7 5 1 2 9 10 9 8 10 8 0 1 9 5

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