000000 All Equipment, NEC 000001 Alloys Stainless 000002 Drives-Scroll 000003 Basket Coating 000004 Lining-Ceramic 000005 Drives-Variable Speed 000007 Baskets 000008 Repair & Rebuild 000009 Pumps 000010 Unloaded System 000011 Plates, Filter Press 000012 Belts 000013 Disc Sectors 000014 Filter Cloth 000015 Filter Aids 000100 Ambient 000300 Odors 000500 Geothermal 002000 Heating Plants, Industrial 002001 Industrial Boilers, Coal-Fired 002002 Oil and Wood Boilers 002003 Hog Fuel Boilers 002004 Wood Fired Boilers 002005 Lignite Boilers 002006 Bagasse Boilers 002007 Fluid Coke Boilers 002008 Waste Boilers 002009 Oil-Fired Boilers 002010 Gas-Fired Boilers 002011 Coal-Oil Mixture Boilers 002012 Fluidized Bed Combustion--Ind. Boiler 002013 Dry SO2 Removal 002014 Coal- and Wood-Fired Boilers 002015 Refuse-Fired Boilers 002016 Wet SO2 Removal 002017 Coal/Water Boiler 002020 Industrial Boiler Electric Utility 002021 Gas Turbines 021000 Feed Lots 025400 Poultry Hatcheries 070000 Agricultural Services 070001 Manure Sludge Drying 070002 Manure Sludge Dewatering 070005 Agriculture 081100 Wilderness 084910 Peat Dewatering 085100 Forestry Services 085101 Fire Fighting (Forestry) 100000 Metal Ore Mining 100002 Metal Mining, Mineral Acids 101000 Iron Ore Mining 101001 Hematite Mining 101002 Limonite Mining 101003 Magnetite Mining 101004 Siderite Mining 101005 Taconite Mining 102000 Copper Ore Mining 102001 Chalcocite Mining 102002 Chalcopyrite Mining 102003 Cuprite Mining 102010 Copper Concentrate 103000 Lead and Zinc Ore Mining 103001 Calamine Mining 103002 Cerrusite Mining 103003 Galena Mining 103004 Smithsonite Mining 103005 Sphalerite Mining 103006 Willemite Mining 103007 Zincite Mining 103101 Lead Concentrate 103110 Zinc, Sintered 103121 Zinc Concentrate 103125 Tin Concentrate 104000 Gold and Silver Ore Mining 104001 Gold and Silver Preparation 104100 Gold Mining 104101 Gold 104110 Gold Ore, Quartzite 104112 Gold Cyanide Clarifying 104400 Silver Mining 104401 Silver 104402 Silver Cyanide Clarifying 104500 Platinum Group Metals 105000 Bauxite and Aluminum Mining 105110 Bauxite Red Mud 106000 Ferroalloy Ore Mining 106110 Tungsten Acid, Crude 106120 Maganese Sulfate 106131 Molybdenum Weak Acid Solution 106132 Molybdenite Concentrate 106141 Nickel Concentrate 109000 Metal Ore Mining, Miscellaneous 109100 Metal Ore Concentrate, NEC 109200 Mercury Ores 109400 Uranium-Radium-Vanadium Ores 109410 Uranium Yellow Cake Drying 109900 Metal Ores, NEC 110000 Coal Mining 110001 Coal Dryer 110002 Coal Crushing 110003 Coal Screening and Sizing 110004 Coal Transportation 110005 Coal Handling & Storage 110006 Coal Cleaning 110007 Coal Preparation Plants 110008 Coal Slurry 110009 Coal Dewatering Coarse 110010 Coal Dewatering, Fine 110011 Coal/Water Fuel 110021 Coal Tailings 110022 Coal Wash Water 110023 Coal Flotation 110024 Coal Refuse 120000 Lignite Mining 130000 Oil and Gas Extraction 130001 Crude Oil Production 130002 Crude Petroleum Production 130003 Natural Gas Production 130004 Oil Sand Mining 130005 Oil Shale Mining 130006 Oil Shale Production 130007 Shale Oil Fines Removal 130008 Oil Drilling Brine 130009 Crude Oil Sludge 140000 Non-Metallic Minerals, Mining and Quarrying of 142000 Crushed and Broken Stone Mining 142200 Limestone Crushing 144200 Sand & Gravel, Construction 144600 Sand, Industrial 145000 Clay, Ceramic 145001 Clay Waste Dewatering 145900 Mineral Slimes 147000 Mineral Mining, Chemical and Fertilizer 147200 Barite 147201 Barium Ore Grinding 147202 Barium Reduction Kiln 147400 Potash, Soda and Borate Mineral Mining 147401 Trona Mining 147402 Nahcolite Mining 147410 Potash 147420 Potash Dewatering 147425 Boron Insolubles Removal 147500 Phosphate Rock 147501 Phosphate Rock, Rotary Kiln 147502 Phosphate Rock, Grinding 147503 Apatite 147910 Arsenic Trioxide 149900 Nonmetallic Mineral Mining, NEC; Miscellaneous 149901 Perlite Processing Furnaces 149902 Asbestos Mining 149903 Calcite 200000 Food and Kindred Products 200001 Organic Chemical 200002 Inorganic Chemical 200003 Pharmaceutical 200004 Mining 200005 Refinery 200006 Utilities, Food Generated 200007 Metal Farming 200008 Building Products 201000 Meat Products 201001 Meat Smoking 201002 Drying of Leather Scrap 201003 Leather Buffing 201004 Leather Sanding 201005 Tanning Effluent 201110 Blood Meal Dewatering 201130 Bacon Bits 201600 Poultry Dressing Plants 202000 Dairy Products 202001 Milk Spray Dryer 202010 Milk Stabilizing 202015 Milk-Warm Separation 202020 Milk, Clarification of 202025 Milk-Cold Separation 202027 Quark Separation 202110 Butter Oil 202210 Cheese Milk, Bacterial Classification of 202215 Cream Cheese 202217 Whey Separation 202230 Casein and Caseinate Separation from Milk 202310 Lactose 203000 Fruits and Vegetables, Canned and Preserved 203010 Vegetable Wash Water Solids Removal 203310 Jelly-Juice Sediment Removal 203311 Fruit Juices 203312 Vegetable Juices 203313 Apple Processing 203314 Apple Juice 203315 Grape Juice 203320 Vinegar, Non-Wine 203410 Potato Pulp Dewatering 203420 Potato Starch Milk Recovery 203430 Potato Pulp Recovery 203440 Sweet Potato Starch Recovery 203450 Citrus Chips 203710 Citrus Juice Pulp Removal 203720 Citrus Oil Water Separator 203725 Citrus Oil Recovery 203730 Pineapple Juice Purification 204000 Grain Mill Products 204002 Grain Mill Transferring, Conveying, etc. 204003 Grain Mill Screening and Cleaning 204004 Grain Mill Drying 204005 Grain Mill Cornmeal Processing 204006 Grain Mill Soybean Processing 204007 Grain Mill Barley or Wheat Cleaning 204009 Grain Mill Barley Flour Milling 204010 Spent Grain Dewatering 204011 Grain Mill Alfalfa Grinding 204012 Grain Mill Alfalfa Dehydrating 204013 Grain Mill Rice Milling 204014 Grain Mill Wet Corn Milling 204020 Stillage Dewatering 204030 Stillage Solids Recovery 204034 Whiskey 204035 Whiskey Mash 204040 Biomass Concentration 204042 Tall Oil Recovery 204100 Prepared Flour Products 204500 Corn Gluten Thickening 204610 Wheat-Starch + Gluten Separation 204620 Wheat-Raw Starch Milk Separation 204625 Corn Starch 204630 Corn Starch + Gluten Separation 204633 Wheat Starch Thickening 204640 Corn Starch Gluten Dewatering 204642 Corn Starch Pre-Drier Dewatering 204650 Modified Starch Washing 204651 Corn Syrup 204652 Corn Syrup/High Fructose 204660 Corn Fiber Dewatering 204665 Cassava Starch Recovery 204670 Corn Starch Washing 204680 Corn Syrup Purification 204682 Soya Protein Washing 204683 Soya Protein Clarification 204684 Soya Protein Fiber Separation 204685 Soybean Meal, Ground 205000 Bakery Products 206000 Sugar Manufacturing 206001 Sugar Juice, Raw 206002 Bagasse Burning 206003 Sugar Granulation 206004 Sugar Refining, Cane 206005 Sugar Syrups 206010 Gluconic Acid Crystal Drying 206015 Sugar Crystal Drying 206022 Lactose Crystal Drying 206030 Dextrose Crystal Drying 206100 Molasses 206105 Honey 206108 Galactitol Crystal Formation 206200 Sugar Refining 206210 Sugar Cane 206211 Sugar Cane Mud 206300 Sugar Beet 206310 Sugar Beet Mud 206500 Candy 206600 Chocolate and Cocoa Products 207000 Fats & Oils 207210 Wort Hot Clarification 207400 Cottonseed Oil 207500 Soybean Oil 207510 Soya Protein Insolubles Removal 207600 Vegetable Oil NEC 207610 Vegetable Oil-Press Oil Preclarification 207612 Peanut Protein Insolubles Removal 207620 Vegetable Oil-Press Oil Polishing 207621 Vegetable Oils Clarifying 207630 Olive Oil 207700 Animal and Marine Fats and Oils 207701 Fish Meal Dryers 207702 Lanolin Oil Handling 207703 Rendering Plants 207710 Rendering Preclarification Inedible 207712 Rendering Preclarification Edible 207720 Fish Meal-Press Water Preclarification 207725 Rendering Pure Fat Separation 207730 Fish Meal Press Water De-Oiling 207900 Oils, Edible NEC 207901 Oils, Edible:Residue 207902 Oils, Non-edible, NEC 207903 Oils, Winterizing 207910 Lecithin Recovery From Raw Oil 207920 Vegetable Oil, Edible Degumming 208000 Beverages 208001 Grain Handling 208002 Drying Spent Grains 208200 Beer Making 208210 Beer Making Wastes 208220 Wort Cold Clarification 208230 Clarification of Green Beer 208240 Beer Recovery From Tank Bottoms 208250 Beer Recovery from Vessel Bottoms 208260 Beer Preclarification of Bottom Fermented 208270 Beer Preclarification of Top Fermented 208280 Beer Recovery of Press Water from a Spent Chain 208290 Beer-Sep.from Cool & Hot Sludge from Finished Wort 208400 Wine Making 208401 Vinegar, Wine 208410 Wine, Juice Clarification 208420 Wine, Fermented Young 208430 Wine, Stabilizing 208440 Wine-Juice Bottoms 208610 Juices, Carbonated 208611 Birch Hydrosalate 209000 Food Preparation and Kindred Products, Misc. 209100 Fish and Seafoods 209101 Clam Cooking 209500 Coffee 209501 Coffee Roasting 209502 Caffeine-Recovery Scrubber 209510 Coffee-Brewed, Solids Removal 209520 Coffee-Freeze Concentrate 209900 Food Preparations, NEC 209901 Deep Fat Frying 209902 Onion Products 209903 Cabbage Cooking 209904 Rendering, N.E.C. 209905 Maple Syrup 209910 Bakers Yeast Concentration 209911 Yeast, Compressed 209915 Onion Juice Pre-Clarification 209920 Onion Juice Polishing 209925 Yeast Extract Separation 209930 Vinegar Freeze Concentrate 209935 Yeast Recovery 210000 Tobacco Manufacturers 220000 Textile Mill Products 220010 Textile Mill Waste 220011 Textiles, Caustic Solution Cleaning 220012 Cotton Linters 221000 Cotton 222000 Manmade Fibers 222002 Fiberglass 222003 Nylon, Woven 222004 Polyester, Woven 222005 Rayon, Woven 223000 Wool 226100 Dyeing and Finishing Textiles 226110 Dyestuffs, Textile 228100 Yarn Spinning Mills 228101 Acetate 228102 Acrylic 228103 Modacrylic 228104 Nylon, Yarn 228105 Nytril 228106 Polyester, Yarn 228107 Polypropylene 228108 Rayon, Yarn 228109 Saran 238000 Apparel 240000 Lumber and Wood Products Including Furniture 240001 Wood Conical Burner 240002 Wood Debarking Machine; Saws, Planers, Sanders,etc 240003 Wood Drying Kiln 240004 Wood Creosote, Pressure Treating 249000 Wood Products, Miscellaneous 249900 Wood Products, NEC 249901 Cork Products 260000 Paper and Allied Products 260010 Pulp & Paper Mills 261100 Pulp Mills 261101 Kraft Process, Recovery Boilers 261102 Kraft Process, Smelt Dissolving Tank 261103 Kraft Process, Lime Kiln 261104 Kraft Process, Fluid Bed Calciner 261105 Kraft Process, Oxidation Tower 261106 Fiberboard Manufacture, Drying 261107 Pulp Evaporator 261108 Pulp Digester 261109 Pulp Tall Oil Manufacture 261120 Paper Pulp-Brownstock Washing 261121 Pulp Mill Water Supply 261122 Pulp Process Waste Water 261123 Pulp Scrubber Recycle 261124 Pulp Green Lye 261125 Pulp Black Liquor 261126 Pulp Cardboard Effluents 261127 Pulp Sludge Dewatering 261129 Pulp & Paper Lime Milk 261130 Paper Pulp-Bleach Washing 261131 Pulp & Paper, Lime Mud 261132 Pulp Process Waste Water, Chemical Removal 261133 Pulp Process, Lignin Sulfate 261140 Paper Pulp-Deinking Waste News 262000 Paper Mills 262110 Paper Mill Sludge 263000 Paperboard Mills 264000 Paper and Paperboard, Converted 264100 Paper Coating and Glazing 264700 Sanitary Paper Products 266100 Building Paper and Building Board Mills 266200 Paper Products, Recycling 266201 Deinking Paper Products 266210 Kitty Litter 270000 Printing and Publishing 270001 Pressroom Ink Mist 270002 Print Drying Ovens 271100 Newspaper Publishing and Printing 280000 Chemicals and Allied Products 280010 Chemical-Waste Activated Sludge 280020 Chemical Waste 281000 Inorganic Chemicals, Industrial 281200 Alkalies and Chlorine 281201 Chlor-Alkali 281202 Magnesium Hydroxide, Chlor-Alkali 281203 Calcium Carbonate, Chlor-Alkali 281204 Calcium Hydroxide, Chlor-Alkali 281205 Brine 281206 Magnesium Oxide 281210 Caustic Chlorine (NaCl crystals from NaOH) 281220 Soda Ash 281230 Trona Salt 281300 Industrial Gases 281600 Inorganic Pigments 281601 Pigment Washing 281611 Titanium Dioxide 281620 Iron Oxide 281630 Silicate Pigments 281631 Silicate Washing & Dewatering 281632 Whiting 281900 Inorganic Chemicals, NEC, Industrial 281901 Phosphoric Acid, Thermal Process 281902 Sulfuric Acid 281904 Sulfur Recovery Incinerator 281905 Sulfur, Claus 281906 Calcium Carbide, Coke Dryer 281907 Calcium Carbide, Electric Furnace 281908 Calcium Carbide, Stack 281909 Calcium Carbide, Calcination 281910 Ammonium Chloride 281911 Nitric Acid 281912 H2S 281913 HCl Absorption 281914 HF Absorption 281915 Phosphorus, Elemental 281916 Uranium 281917 Ammonia Compounds 281918 Arsenic 281919 Activated Carbon 281920 Luminous Matter Recovery 281921 Aluminum Silicate 281922 Barium Sulfate 281923 Lead Phosphide 281924 Lead Sulfate 281927 Calcium Sulfate 281928 Chromium Oxide 281929 Silicic Acid 281930 Ammonium Perchlorate 281931 Optical Brighteners 281932 Phosphate 281933 Zinc Carbonate 281936 Aluminum Sulfate 281937 Boric Acid 281938 Magnesium Silicate 281939 Magnesium from Seawater 281940 Ammonium Sulfate 281941 Silicon Dioxide 281950 Caustic Salt 281955 Glaubers Salt 281960 Copper Sulfate 281962 Potassium Chloride 281963 Sodium Chloride (Salt) 281964 Zeolite Processing 281965 Sodium Bicarbonate 281970 Boric Acid Concentration 281975 Sodium Carbonate 281980 Sodium Bichromate 281985 Ferrous Sulfate (Pickle Liquor) 281986 Calcium Sulfate 281987 Calcium Carbonate 281988 Catalyst Remover 281989 Catalyst Washing 281990 Sodium Sulfate 281991 Slop Oil Pre-Treatment 281992 TPA Washing 281993 Ammonium Sulfate Crystal Drying 281994 Sulfur Recovery-Stretford 281995 Slop Oil Clean-Up 282000 Plastic Materials and Synthetic Resins, Synthetic Rubber 282100 Plastics, Synthetic Resins and Nonvulcanizable Elastomers 282101 Polyvinyl Chloride Process 282102 Polypropylene Process 282103 Resins, Storage and Handling of 282104 Acid Anhydride (Phthalic & Malic) Incinerator 282105 Plastic Flaker and Bagger 282106 PVDC Microspheres 282107 Resins, NEC 282108 Polymers 282110 ABS Resin 282130 PVC Predrying 282132 PVC Dewatering 282140 Polyester Intermediates 282141 Polyethylene Crumb Drying 282145 Polystyrene 282150 Polyvinyl Alcohol 282200 Synthetic Rubber 282201 Synthetic Rubber Reactor 282202 Synthetic Rubber Blow Down Tanks 282203 Synthetic Rubber Drying 282204 Synthetic Rubber Vulcanizing and Curing Ovens 282410 Single Cell Protein Recovery 283000 Pharmaceuticals 283001 Pharmaceutical Wastes 283100 Biological Products 283101 Vaccines 283102 Allergens 283103 Serums 283104 Blood Derivatives 283105 Blood Plasma-Protein Recovery 283106 Single Cell Protein 283110 Blood Plasma-Light Separation 283300 Chemicals and Botanical Products, Medicinal 283301 Antibiotics 283302 Sodium Bicarbonate 283303 Plant Extracts 283304 Insulin Extracts 283305 Enzymes 283306 Insulin Fat Separation 283307 Insulin Crystal Recovery 283308 Antibiotics Harvesting 283309 Antibiotics Crystal Recovery 283310 Enzymes Harvesting 283311 Mycelia Separation 283312 Mycelia Drying 283313 Antibiotics Extraction 283314 Insulin Tissue Separation 283315 Insulin Protein Separation 283319 Antibiotics Residue 283330 Enzymes Separation 283400 Pharmaceutical Preparations 283401 Pills 283402 Liniments 283403 Syrups 283404 Vitamins 283410 Penicillin Extraction 283440 Pharmaceutical Intermediates 283441 Di-Cetyl Peroxidicarbonate 283600 Biotechnology 283605 Nanotechnology 284000 Soap, Detergents and Cleaning Preparations, Perfumes 284100 Soap and Other Detergents 284101 Detergent Spray Dryer 284102 Soap Finishing 284103 Sulfonization Towers--Detergents 284200 Cleaning, Polishing and Sanitation; Specialty 284201 Dry Cleaning Establishments 284202 Chlorine Bleach Crystal Dewatering 284203 Fluorides 284300 Wetting Agents, Finishing Agents, Sulfonated Oils 284400 Perfumes, Cosmetics and Other Toilet Preparations 284401 Toothpaste 284410 Cosmetics 284411 Cosmetics, Creams 284412 Shampoo 285000 Paints, Varnishes, Lacquers, Enamels 285001 Varnish Cooker 285011 Vinegar 285100 Latex Paints 286000 Organic Industrial Chemicals 286001 Alcohols; Phenol, Isopropyl, etc. 286002 MIBK and Other Ketones 286003 Ether and Related Compounds 286004 Formaldehydes 286005 Benzene 286006 Sitosterol Filtration 286010 Organic Acids 286100 Gum and Wood Chemicals 286101 Charcoal Manufacturing 286105 Honey 286500 Cyclic Organic Crudes & Intermediates 286501 Coal Tar Classification 286510 Nitration-Waste Acid Separation 286515 Nitration Reaction Separation 286520 Nitration 286900 Organic Industrial Chemicals, NEC 286910 Adipic Acid 286912 Citric Acid Fungi Separation 286915 Citric Acid Crystal Drying 286920 Monosodium Glutamate Separation 286925 Ethanol 286926 Ethanol Recovery 286928 Biofuels 286930 Monosodium Glutamate Concentration 286940 Algae Dewatering 286941 Ethanol Stillage Dewatering 286950 Ethanol Protein Separator 286960 Ethyl Alcohol Purification 286970 Oxalic Acid 286971 Lead Stearate 286972 Magnesium Stearate 286973 Calcium Stearate 287000 Agricultural Chemicals 287100 Fertilizers 287300 Nitrogenous Fertilizers 287301 Nitrate Dryers & Coolers 287302 Nitrate Prilling Tower 287303 Nitrate Granulator 287400 Phosphatic Fertilizers 287401 Phosphatic Fertilizer 287405 Phosphoric Acid 287410 Phosphoric Acid Polishing 287415 Phosphoric Acid, Thermal Process 287420 Uranium Extraction from Phosphoric Acid 287430 Phosphoric Acid Clarification 287440 Phosphoric Acid Extraction 287445 Elemental Phosphorous Cleaning 287450 Elemental Phosphorous Washing 287500 Compost 287900 Pesticides 287965 Herbicides 289000 Chemical Products, Miscellaneous 289100 Adhesives and Sealants 289200 Explosives 289210 Nitrocellulose 289300 Printing ink 289301 Pigment Mixing 289500 Carbon Black 289501 Main Product Capture 289502 Pellet Dryers 289910 Gelatin Coarse Separation 289920 Gelatin Fat Separation 289930 Gelatin-Dicalcium Phosphate Precipitation 289940 Glues 289965 Drilling Mud 290000 Petroleum Refining and Related Industries 290110 Petrochemical 290111 Petrochemical, Waste Activated Sludge 291100 Petroleum Refining 291101 Fluid Cracking Units 291102 Fluid Coking Units 291103 Hydrocracking 291104 Petroleum Hydrogen Treating 291105 Petroleum Chemical Treating 291106 Petroleum Physical Treating 291107 Petroleum Styrene Storage Tank 291108 Petroleum Asphalt Storage Tanks 291109 Petroleum Desulfurization of Crude 291110 Petroleum Refining SO2 Removal 291111 Paraffin, Reclaiming 291112 Petroleum Refinery Sludge 291120 Mineral Oil Protein Separation 291123 Mineral Oil Desalination 291125 Mineral Oil-Acid Tar Separation 291140 Oil Refinery Lubrication 291165 Refinery Air Flotation Skimmings 291180 Waste Oil Refining 291185 Hydrogen Sulfide Scrubbing Sulfur Removal 295000 Asphalt 295001 Asphalt Batching 295002 Asphalt Roofing 295003 Asphalt Paving 296000 Synthetic Fuels 296001 Synfuel Dedusting 299000 Coal Gasification 299001 Coal Gasification--Particulate Removal 299002 Coal Gasification--H2S Removal 299003 Coal Gasification--CO2 Removal 299004 Coal Gasification--COS Removal 299005 Coal Gasification--HCl Removal 299006 Heavy Oil Gasification 299100 Biomass Gasification 299200 Oils & Greases, Lubricating 299201 Hydraulic Oils 299202 Coolants 299203 Re-refining Waste Oil 299204 Waste Grease Separation 299205 Coolant Purification 299210 Motor Oils and Greases, Reclaiming 299220 Lube Oil Solvent Extraction 299221 Lube Oil Purification 299500 Coal Liquefaction 299501 Synthetic Petroleum Refining 299502 Coal Liquefaction-Particulate Removal 299800 Fluidized Bed Combustion--Syn. Fuel 299900 Petroleum Coke (Not Refinery Produced) 300000 Rubber 301100 Tires and Inner Tubes 303100 Reclaimed Rubber 305300 Gaskets, Packing & Sealing Devices 306910 Latex Cream Separation 308900 Flat Panel Displays 311100 Leather Tanning and Finishing 311110 Leather Tanning Sludge 320000 Stone, Clay, Glass and Concrete Products 321000 Glass Products 321001 Glass Melting 321002 Glass Resistor 321003 Glass Hot End Coating 321004 Rotary Frit Furnace 324000 Cement 324001 Cement Quarrying 324002 Cement Crushing and Grinding 324003 Cement Screening 324004 Cement Kilns 324005 Cement Clinker Cooler 325000 Clay Products, Structural 325001 Clay Kilns 325002 Clay Grinding 325003 Clay Storage 325004 Clay Flyash Sintering 325005 Clay Mixed with Coke Sintering 325006 Sintering, Natural Clay 325007 Brick 325008 Clay Refractories 325009 Clays, Process 326100 Porcelain 326110 Ceramics 326200 China and Kitchen Articles 327000 Concrete Products 327100 Concrete Block and Brick 327200 Building Products, NEC 327240 Insulation 327251 Marble Saw Mills 327300 Concrete Batching 327400 Lime 327410 Lime Sludge Dewatering 327420 Lime-Magnesium Separation 327500 Gypsum Products 329000 Asbestos 329100 Abrasives 329500 Minerals & Earths (Kaolin Also) 329520 Kaolin Clay Dewatering 329521 Bentonite Clay Dewatering 329523 Diatomaceous Earth Separation 329525 Kaolin Clay Classification 329530 Kaolin Clay Washing 329531 Shaley Water 329535 Bentonite Clay Classification 329540 Diatomite Washing 329550 Talc 329600 Mineral Wool 329720 Refractory Kiln Scrubber Waste Water 329920 Mica Separation 330000 Metal Industries, Primary 331000 Steel Industry 331200 Steel Mills 331201 Coke Unloading 331202 Coke Oven Charging 331203 Coke Ovens 331204 Coke Pushing 331205 Coke Quenching 331206 Coke Underfiring 331207 Steel Blast Furnace 331208 Iron Sintering 331209 Steel Open Hearth 331210 Steel BOF 331211 Steel Electric Arc 331212 Steel Scarfing 331213 Steel AOD 331214 Steel KMS 331215 Carbide Sludge 331216 Roll Sludge 331220 Rolling Mill Cooling & Lubricating Oils 331300 Ferroalloy Manufacturing 332000 Iron Foundries 332001 Iron Cupola 332002 Iron Foundry Reverbatory Furnace 332003 Iron Foundry Electric Induction Furnace 332004 Iron Foundry Electric Arc Furnace 332005 Iron Foundry Sand Handling 332006 Iron Foundry Cleaning 332007 Iron Foundry Sand Reclamation 332008 Iron Foundry Odor Removal 332009 Iron Desulfurization 332010 Iron Foundry Sludge 332011 Ironmaking, Blast 332500 Steel Foundries 332510 Steel Foundry Sludge 333000 Smelting and Refining of Nonferrous Metals, Primary 333100 Copper Smelting 333110 Copper Forming 333200 Lead Smelting 333300 Zinc Smelting 333310 Zinc Dust 333400 Aluminum, Primary 333900 Smelting of Nonferrous Metals, NEC; Primary 333911 Silica Sand 334000 Smelting of Nonferrous Metals, Secondary 334100 Aluminum Smelting & Refining, Secondary 334110 Aluminum Smelting, Red Mud 334120 Recovering and Refining of Nonferrous Metals 334121 Cobalt Recovery 335500 Aluminum Rolling & Drawing 335510 Aluminum Forming 336000 Nonferrous Foundries 336100 Aluminum Foundries 336200 Brass, Bronze, Copper, Copper Base Alloy Foundries 336900 Nonferrous Foundries (Castings) 339000 Forge Furnaces 340000 Fabricated Metal Products and Finishing of Casting 340001 Electroplating 340002 Paint Spray Booths 340003 Paint Baking Ovens 340004 Zinc Galvanizing 340005 Metal Buffing and Polishing 340006 Cast Iron Machining 340007 Solvent Degreasing 340008 Welding Fume 340009 Sand Blasting 340010 Torch Cutting 340011 Steel Pickling 340012 Anodizing 340013 Machining, Screw Machines 340014 Metal Hydroxide Sludge 340015 Chromium Waste 340016 Solvent Filtration 341100 Metal Cans 341110 Metal Forming 343300 Heating Equipment Except Electric and Warm Air Furnaces 343301 Stoves, Household Non-Electric 347120 Plating 347160 Metal Finishing 347900 Coating of Metals and Formed Products 348200 Weapons & Ammunition 351000 Engines and Turbines 351010 Engine Lubricating Oil 351012 Engine Marine Oil 351020 Coolant Purification 353700 Trucks, Tractors, Trailers and Stackers; Industrial 355901 Desalination Equipment 356110 Pumps, Slurry Feed 356300 Air and Gas Compressors 356301 Pumps, Vacuum 356302 Pumps, General 356400 Fans and Blowers 356910 Lube Oil Purification 357200 Disk Drives 358900 Swimming Pool Filter Systems 362400 Carbon and Graphite Products 362900 Fuel Cell 366100 Communication Equipment and Parts 366500 Solar Cells/Modules 367000 Electronic Components 367400 Semiconductor 367900 Magnetic Media 369000 Electrical Machinery, Equipment, Supplies; Miscellaneous 369100 Batteries, Storage 370000 Transportation Equipment 370004 HCl Fumes 371000 Motor Vehicles 371100 AUTOMOBILE MANUFACTURING 372000 Aircraft and Parts 373000 Ship Building and Maintenance 374000 Railroad Equipment 376000 Aerospace 376001 Solvent Fumes 376002 NO2 Fumes 376003 HF Fumes 377200 PRINTED CIRCUIT BOARDS 380000 Nuclear 382000 INSTRUMENT MANUFACTURING 382700 Optical & Precision Manufacturing 384100 Medical Instruments and Supplies 386100 Photographic Materials 386110 Photographic Materials Metal Recovery 390000 Manufacturing Industries, Miscellaneous 391000 Jewelry Making 394900 Sporting and Athletic Goods 395000 Pens, Pencils, and Other Artists' Materials 395001 Chalk 395002 Crayons 395003 Paints 395004 Pigment Powders 395005 Drawing Ink 395500 Packaging 411109 Transit, Local & Suburban 441100 Deep Sea Foreign Transportation 446000 Water Transportation Services 446300 Marine Cargo Handling 490000 Electric, Gas and Sanitary Services 491100 Electric Utilities 491101 Utility Limestone SO2 Scrubbing 491102 Utility Lime SO2 Scrubbing 491103 Utility Magnesium Oxide Scrubbing 491104 Utility Ammonia Scrubbing 491105 Utility Sodium Scrubbing (Including Double Alkali) 491106 Utility SO2 Removal Methods 491107 Utility Dry SO2 Removal 491108 Utility NOx Removal Methods 491109 Fluidized Bed Combustion-Utility Boilers 491110 Utility Scrubber Sludge 491111 Utility Particulate Removal 491112 Utility Coal Handling and Storage 491113 Nuclear Fuel Manufacturing 491114 Nuclear Power Plants (Radwaste) 491115 Utility Flyash Handling 491116 Geothermal Steam 491117 Pressurized Fluid Bed Combustion 491118 MHD 491119 Utility Oil-Fired 491120 Utility Supply Water 491121 Utility Bottom Ash 491122 Utility Wastewater 491123 Utility, Coal-Fired 491124 Utility Orimulsion 491125 Utility Coal-Oil Mixture 491126 Utility, Cogeneration 491130 Utility Refuse-Fired 491131 Utility Coal/Water 491132 Utility Wood-Fired 491133 Utility Gas-Fired 491139 Nuclear Power Plants 491140 Nuclear Power Plant Laundry Water 491141 Nuclear Spent Rods Recovery 491145 Nuclear Power Plant Liquid Wastes 491150 FGD Sludges-Conventional 491151 FGD Sludges-Gypsum 491152 Calcium Sulfite 491153 Calcium Chloride 491154 Scrubber Recycle Water 494000 Water Supply, Municipal 494001 Water Purification 494002 Seawater Desalination 494003 Iron and Mineral Removal 494004 Turbidity Removal 494005 Brackish Water Desalination 494006 Nutrient Removal 494007 Giardia Lamblia Removal 494500 Industrial Supply Water 494700 Water Reclamation 494800 Dredging Sludge Dewatering 495000 Sanitary Services 495200 Sewerage Systems 495201 Cooling Tower Water Condensate 495219 Biological Waste 495220 Wastewater, Municipal 495221 Wastewater, Industrial 495222 Wastewater Treatment, Municipal Preliminary 495223 Wastewater Treatment, Municipal Advanced 495224 Waste Sludges, Thickening of 495225 Dewatering Sludges 495226 Waste Activated Sludge Thickening 495227 Dewatering Sludges, Anaerobic 495228 Dewatering Sludges, Aerobic 495229 Dewatering Sludge, Thermal 495230 Sewage Dewatering, Raw 495231 Dewatering Sludges, Primary 495232 Dewatering Sludge, Waste Activated 495233 Wastewater Treatment, Phosphorus Removal 495234 Lagoons 495235 Alum Sludge Thickening 495236 Wastewater Treatment, Nitrogen Removal 495240 Heat Treated Sludge Dewatering 495250 Decentralized Wastewater Treatment 495300 Refuse Systems 495301 Incinerator, Municipal 495302 Incinerator, Industrial 495303 Incinerator, Pathological 495304 Conical Burner 495305 Auto Incinerator 495306 Sewage Sludge Incinerator 495307 Automobile Shredder 495308 RDF Processing 495309 Resource Recovery Plants 495310 Incinerators 495311 Digested Sludge Dewatering 495312 Waste Sludge Composting 495313 Waste Sludge to Oil 495314 Land Applied Sludge 495315 Pelletized Sludge 495316 Sludge Stabilizing 495317 Fluidized Bed Combustion-Waste Fired 495321 Incinerator, Liquid Waste 495322 Radioactive Waste 495323 Hazardous Waste 495324 Heavy Metal Waste 495325 Landfills 495326 Oily Waste 495327 Cyanide Waste 495328 Hazardous Waste, Incineration 495329 Incinerator, Medical Waste 497100 Irrigation Water 500000 Power Plants 721800 Launderers, Industrial 739100 Research & Development Laboratories 739210 Testing Companies 739500 Photoprocessing 753500 Automotive Paint Shops 754200 Washing & Polishing Automotive 754210 Car Washing Water Purification 806000 Hospitals 822100 University 891100 Engineering Services 951100 Government Agencies 951101 Federal 951102 State and Local Government 971101 Military