EFFLUENT GUIDELINES AND STANDARDS, PARTS AND
SUBPARTS
Part 405, Dairy Products Processing – No Pretreatment Standards
Part 406, Grain Mills
 Subpart A – Process in which shelled corn is steeped in a dilute solution of
sulfurous acid and then processed by wet means into such products as animal
feed, regular and modified starches, corn oil, corn syrup, and dextrose
 Subpart B – Process in which shelled corn is washed and subsequently milled by
dry processes into such products as corn meal, grits, flour, oil and animal feed.
Does not apply to discharges from subsequent manufacturing operations to
produce expanded or extruded food or feed products.
 Subpart C – Process in which wheat and other grains are milled by dry processes
into flour and millfeed.
 Subpart D – Process in which wheat is parboiled, dried, and partially debranned
in the production of bulgur
 Subpart E – Process in which rice is cleaned and milled by dry process
 Subpart F – Process in which rice is cleaned, cooked and dried before being
milled
 Subpart G – Manufacture of animal feeds (formula feed concentrate) using
primarily grain and grain by-products that may be supplemented by proteins,
pharmaceuticals, vitamins, or mineral additives
 Subpart H – Production of various breakfast cereals from grains, principally
wheat and oats, requiring cooking prior to normal human consumption
 Subpart I – Processing of various grains and other materials (whole grain wheat,
rice, corn grits, oat flour, sugar and minor ingredients) to produce various
breakfast cereals normally available for human consumption without cooking
 Subpart J – Industrial operations utilizing wheat flour as a raw material for
production of wheat starch and gluten (protein) components through conventional
processes of physical separation and subsequent refinement
Part 407, Canned and Preserved Fruits and Vegetable Processing – No
Pretreatment Standards
Part 408, Canned and Preserved Seafood Processing – No Pretreatment Standards
Part 409, Sugar Processing – No Pretreatment Standards
Part 410, Textiles – No Pretreatment Standards
Part 411, Cement Manufacturing – No Pretreatment Standards
Part 412, Feedlots
 Subpart A – Various types of lots for cattle, swine, sheep, chicken, and turkey
 Subpart B – Wet and dry lots for ducks
Part 413, Electroplating
 Subpart A – Ferrous or non-ferrous basis material is electroplated with copper,
nickel, chromium, zinc, tin, lead, cadmium, iron, aluminum or any combination
thereof
 Subpart B – Ferrous or non-ferrous basis material is electroplated with gold,
silver, iridium, palladium, platinum, rhodium, ruthenium, or any combination
thereof
 Subpart C – Electroplating of specialty metals
 Subpart D – Anodizing of ferrous or non-ferrous materials
 Subpart E – Chromating, phosphating, or immersion plating on ferrous or nonferrous materials
 Subpart F – Chemical milling or etching of ferrous or non-ferrous materials
 Subpart G – Electroless plating of a metallic layer on a metallic or non-metallic
substrate
 Subpart H – Manufacture of printed circuit boards, including all manufacturing
operations required or used to convert an insulating substrate to a finished printed
circuit board
Part 414, Organic Chemicals, Plastics, and Synthetic Fibers
 Subpart A – Contains general definitions, applicability, and compliance dates for
the part.
 Subpart B – Rayon fiber by the viscose process only
 Subpart C – Cellulosic man-made fibers, except rayon, and synthetic organic
fibers
 Subpart D – Thermoplastic resins
 Subpart E – Thermosetting resins
 Subpart F – Commodity organic chemicals
 Subpart G – Bulk organic chemicals
 Subpart H – All SIC 2865 and 2869 organic chemicals, not defined as commodity
or bulk
 Subpart I – Point sources that use end-of-pipe biological treatment
 Subpart J – Point sources that do not use end-of-pipe biological treatment
 Subpart K – Indirect discharge point sources
Part 415, Inorganic Chemicals Manufacturing
 Subpart A – Aluminum chloride
 Subpart B – Aluminum sulfate
 Subpart C – Production of calcium carbide in uncovered furnaces
 Subpart D – Production of calcium chloride by the brine extraction process
 Subpart E – Calcium oxide
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Subpart F – Production of chlorine and sodium or potassium hydroxide by the
diaphragm cell process and by the mercury cell process
Subpart G – Hydrochloric acid
Subpart H – Hydrofluoric acid
Subpart I – Production of hydrogen peroxide by the electrolytic process and by
the oxidation of alkyl hydroanthraquinones
Subpart J – Nitric acid
Subpart K – Potassium metal
Subpart L – Potassium chloride
Subpart M – Potassium sulfate
Subpart N – Sodium bicarbonate
Subpart O – Sodium carbonate
Subpart P – Production of sodium chloride by the solution brine-mining process
and by the solar evaporation process
Subpart Q – Production of sodium dichromate and by-product sodium sulfate
Subpart R – Sodium metal production
Subpart S – Sodium silicate
Subpart T – Production of sodium sulfite by reacting sulfur dioxide with sodium
carbonate
Subpart U – Sulfuric acid
Subpart V – Production of titanium dioxide by the sulfate process, the chloride
process, and the simultaneous benefication-chlorination (chloride-ilmenite)
process
Subpart W – Aluminum fluoride
Subpart X – Production of ammonium chloride by the reaction of anhydrous
ammonia with hydrogen chloride gas and by the recovery process from Solvay
process wastes
Subpart Y – Ammonium hydroxide
Subpart Z – Barium carbonate
Subpart AA – Production of borax by the ore-mining process and by the Trona
process
Subpart AB – Production of boric acid from ore-mined borax produced by the
Trona process
Subpart AC – Production of bromine by the brine-mining process and by the
Trona process
Subpart AD – Production of calcium carbonate by the milk of lime process and by
the recovery process from the Solvay process wastes
Subpart AE - Production of calcium hydroxide by the lime slaking process
Subpart AF – Carbon dioxide
Subpart AG – Production of carbon monoxide and by-product hydrogen by the
reforming process
Subpart AH – Chrome pigments
Subpart AI – Production of chromic acid in facilities that also manufacture
sodium dichromate
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Subpart AJ – Copper salts (e.g., copper sulfate, copper chloride, copper iodide,
copper nitrate).
Subpart AK – Cuprous oxide
Subpart AL – Production of ferric chloride from pickle liquor
Subpart AM – Ferrous sulfate
Subpart AN – Production of fluorine by the liquid hydrofluoric acid electrolysis
process
Subpart AO – Production of hydrogen as a refinery by-product
Subpart AP – Production of hydrogen cyanide by the Andrussow process
Subpart AQ – Iodine
Subpart AR – Lead monoxide
Subpart AS – Production of lithium carbonate by the Trona process and from
spodumene ore
Subpart AT – Manganese sulfate
Subpart AU – Nickel salts (e.g., nickel sulfate, nickel chloride, nickel nitrate,
nickel fluoborate, nickel carbonate)
Subpart AV – Strong nitric acid
Subpart AW – Production of oxygen and nitrogen by air liquification
Subpart AX – Production of potassium chloride by the Trona process and by the
mining process
Subpart AY – Potassium iodide
Subpart AZ – Potassium permanganate
Subpart BA – Silver nitrate
Subpart BB – Sodium bisulfite
Subpart BC – Production of sodium fluoride by the anhydrous neutralization
process and by the silico fluoride process
Subpart BD – Sodium hydrosulfide
Subpart BE – Sodium hydrosulfite
Subpart BF – Sodium silicofluoride
Subpart BG – Sodium thiosulfate
Subpart BH – Production of stannic oxide by the reaction of tin metal with air or
oxygen
Subpart BI – Sulfur dioxide
Subpart BJ – Zinc oxide
Subpart BK – Zinc sulfate
Subpart BL – Cadmium pigments and salts (e.g., cadmium chloride, cadmium
nitrate, cadmium sulfate)
Subpart BM – Cobalt salts
Subpart BN – Sodium chlorate
Subpart BO – Zinc chloride
Part 416, Reserved
Part 417, Soap and Detergent Manufacturing
 Subpart A – Production of neat soap through saponification of animal and
vegetable fats and oils by boiling in kettles.
 Subpart B – Production of fatty acids by hydrolysis of fats. Includes the
subsequent processing of the fatty acids to produce a suitable feed material for
manufacture of soap by fatty acid neutralization.
 Subpart C – Manufacture of neat soap by neutralizing refined fatty acids with an
alkaline material in approximately stoichiometric amounts in batch or continuous
operations
 Subpart D – Concentration of sweet water from saponification or fat splitting to
approximately 60-80 percent crude glycerine content
 Subpart E – Production of finished glycerine of various grades through
concentration from crude glycerine by means of distillation
 Subpart F – Manufacture of soap flakes and powders commencing with the
drying of the neat soap to and including packaging of the finished flakes and
powders
 Subpart G – Conversion of neat soap to finished bar soaps, including drying,
milling, plodding, stamping, and packaging.
 Subpart H – Blending of ingredients employed in the manufacture of liquid soaps
and the packaging of finished products
 Subpart I – Manufacure of sulfonic acid and sulfuric acid esters by means of
sulfonification and sulfation of raw materials, including but not limited to
petroleum drived alkyls, employing oleum in either continuous or bath processes
 Subpart J – Manufacture of sulfonic acids and sulfuric acid esters by means of
sulfation and sulfonation employing air and sulfur trioxide in either continuous or
batch processes
 Supart K – Sulfonation of an organic reactant in a vacuum reactor using undiluted
SO3
 Subpart L – Sulfations emplying sulfamic acid as the sulfating agent
 Subpart M – Sulfation of alcohols, alkylphenols and alcohol ethoxylates utilitzing
chlorosulfonic acid as the sulfating agent
 Subpart N – Continuous or batch neutralization of sulfated and sulfonated
alkybenzenes, alcohols, and other materials to convert them to neutral salts
 Subpart O – Manufacture of spray dried detergents. Includes, but is not limited
to, assembly and storage of raw materials, crutching, spray drying, blending, and
packaging
 Subpart P – Manufacture of liquid detergents, commencing with the blending of
ingredients, ti and including bottling or packaging finished products
 Subpart Q – Manufacture of dry detergents by means of the blending of dry
ingredients, including, but no limited to, blending and subsequent packaging.
 Subpart R – Manufacture of detergents by drum drying, including, but not limited
to, drying of formulations on heated drums or rollers, conversion of dried
detergents to powders or flakes, and packaging of finished products
 Subpart S – Manufacture of detergent bars and cakes, including, but not limited
to, drying, milling, plodding, stamping, and packaging
Part 418, Fertilizer Manufacturing
 Subpart A – Manufacture of sulfuric acid by sulfur burning, wet-process
phosphoric acid, normal superphosphate, triple superphosphate, and ammonium
phosphate
 Subpart B – Manufacture of ammonia
 Subpart C – Manufacture of urea
 Subpart D – Manufacture of ammonium nitrate
 Subpart E – Production of nitric acid in concentrations up to 68 percent
 Subpart F – Production of ammonium sulfate by the synthetic process and by
coke oven byproduct recovery
 Subpart F – Production of mixed fertilizer and blend fertilizer
Part 419, Petroleum Refining
 Subpart A – Production of petroleum products by the use of topping and catalytic
reforming
 Subpart B – Production of petroleum products by the use of topping and cracking
 Subpart C – Production of petroleum products by the use of topping, catalytic
reforming and petrochemical operations
 Subpart D – Production of petroleum products by the use of topping, cracking,
and lube oil manufacturing process
 Subpart E – Production of petroleum products by the use of topping, cracking,
lube oil manufacturing processes, and petrochemical operations
Part 420, Iron and Steel Manufacturing
 Subpart A – Coke production by heating coal with (beehive) or without
(byproduct) the admission of air
 Subpart B – Heating of iron bearing wastes such as mill scale and dust from blast
furnaces and steelmaking furnaces together with fine iron ore, limestone, and
coke fines in an ignition furnace to produce an agglomerate for charging to the
blast furnace (aka sintering operations)
 Subpart C – Reduction of iron ore to molten iron in a blast furnace (aka
ironmaking)
 Subpart D – Steelmaking operations conducted in basic oxygen, open hearth, and
electric hearth furnaces
 Subpart E – Vacuum degassing operations conducted by applying a vacuum to
molten steel as conducted as part of iron and steel manufacturing facilities
 Subpart F – Continuous casting of molten steel into intermediate or semi-finished
steel products through water cooled molds as conducted as part of iron and steel
manufacturing facilities
 Subpart G – Hot forming operations conducted in primary, section, flat, and pipe
tube mills
 Subpart H – Oxidizing and reducing salt bath descaling operations as conducted
as part of iron and steel manufacturing facilities
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Subpart I – Sulfuric acid, hydrochloric acid, or combination acid pickling
operations as conducted as part of iron and steel manufacturing facilities
Subpart J – Cold rolling and cold working pipe and tube operations in which
unheated steel is passed through rolls or otherwise processed to reduce its
thickness, to produce a smooth surface, or to develop controlled mechanical
properties in the steel
Subpart K – Alkaline cleaning of steel and steel products to remove mineral and
animal fats or oils from the steel as conducted as part of iron and steel
manufacturing facilities
Subpart L – Hot dip coating of steel with zinc, terne metal, or other metals as
conducted as part of iron and steel manufacturing facilities
Part 421, Nonferrous Metals Manufacturing
 Subpart A – Refining of bauxite to alumina by the Bayer process or by the
combination process
 Subpart B – Production of aluminum from alumina in the Hall-Heroult process
 Subpart C – Recovery, processing, and remelting of aluminum scrap to produce
metallic aluminum alloys
 Subpart D – Primary smelting of copper from ore or ore concentrates. Includes,
but is not limited to, roasting, converting, leaching if preceded by a
pyrometallurgical step, slag granulation and dumping, fire refining, and the
casting of products from these operations
 Subpart E – Electrolytic refining of primary copper, including, but not limited to,
anode casting performed at refineries which are not located on-site with a smelter,
product casting, and by-product recovery
 Subpart F – Recovery, processing, and remelting of new and used copper scrap
and residues to produce copper metal and copper alloys, but are not applicable to
continuous rod casting
 Subpart G – Production of lead at primary lead smelters and refineries
 Subpart H – Production of primary zinc by either electrolytic or pyrolytic means
 Subpart I – Manufacture of by-products sulfuric acid at primary copper smelters,
primary zinc facilities, primary lead facilities, and primary molybdenum facilities,
including any associate air pollution control or gas-conditioning systems for
sulfur dioxide off-gases from pyrometalurgical operations
 Subpart J – Production of tungsten at primary tungsten operations
 Subpart K – Production of columbium or tantalum by primary columbiumtantalum facilities
 Subpart L – Production of silver from secondary silver facilities processing
photographic and nonphotographic raw materials
 Subpart M – Production of lead by secondary lead facilities
 Subpart N – Production of antimony at primary antimony facilities
 Subpart O – Production of beryllium by primary beryllium facilities processing
beryllium ore concentrates or beryllium hydroxide raw materials
 Subpart P – Production of germanium or gallium from primary and secondary
germanium and gallium facilities
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Subpart Q – Production of indium at secondary indium facilities processing spent
electrolyte solutions and scrap indium metal raw materials
Subpart R – Production of mercury from secondary mercury facilities processing
recycled mercuric oxide batteries and other mercury containing scrap raw
materials
Subpart S – Production of molybdenum or rhenium from primary molybdenumrhenium facilities
Subpart T – Production of molybdenum or vanadium by secondary molybdenum
and vanadium facilities
Subpart U – Production of nickel or cobalt by primary nickel and cobalt facilities
processing ore concentrate raw materials
Subpart V – Production of nickel by secondary nickel facilities processing slag,
spent acids, or scrap metal raw materials
Subpart W – Production of gold, silver, or mercury by primary precious metals
and mercury facilities
Subpart X – Production of gold, platinum, palladium, rhodium, iridium, osmium,
and ruthenium at secondary precious metals facilities
Subpart Y – Production of elements of scandium, yttrium, and lanthanum to
lutetium, inclusive, and mischmetal by primary raw earth metals facilities
processing rare earth metal oxides, chlorides, and fluorides. Mischmetal refers to
a rare earth metal alloy comprised of the natural mixture of rare earth metals to
about 94-99 percent. The balance of the alloy includes traces of other elements
and one to two percent iron
Subpart Z – Production of tantalum at secondary tantalum facilities
Subpart AA – Production of tin at secondary tin facilities utilizing either
pyrometallurgical or hydrometallurgical processes to recover tin from secondary
materials
Subpart AB – Production of primary and secondary titanium at primary and
secondary titanium facilities except for those facilities which only practice
vacuum distillation for sponge purification and which do not practice electrolytic
recovery of magnesium
Subpart AC – Production of tungsten or cobalt at secondary tungsten and cobalt
facilties processing tungsten or tungsten carbide scrap materials
Subpart AD – Productionof uranium (including depleted uranium) by secondary
uranium facilities
Subpart AE – Production of zirconium or hafnium at primary zirconium and
hafnium facilities except for facilities that only produce zirconium or
zirconium/nickel alloys by magnesium reduction of zirconium dioxide
Part 422, Phosphate Manufacturing – No Pretreatment Standards
Part 423, Steam Electric Power Generating
Operation of a generating unit by an establishment primarily engaged in the generation of
electricity for distribution and sale which results primarily from a process utilizing fossiltype fuel (coal, oil or gas) or nuclear fuel in conjunction with a thermal cycle employing
the steam water system as the thermodynamic medium
Part 424, Ferroalloy Manufacturing – No Pretreatment Standards
Part 425, Leather Tanning and Finishing
 Subpart A – Tanneries which, either exclusively or in addition to other unhairing
and tanning operations, processes raw or cured cattle or cattle-like hides into
finished leather by chemically dissolving the hide hair, chrome tanning, and retanwet finishing
 Subpart B – Tanneries which process raw or cured cattle or cattle-like hides into
finished leather by hair save unhairing, chrome tanning, and retan-wet finishing
 Subpart C – Tanneries which process raw or cured cattle or cattle-like hides into
finished leather by hair save or pulp unhairing, vegetable tanning or alum,
syntans, oil and other agents for tanning, and retan-wet finishing
 Subpart D – Tanneries which process previously tanned hides and skins (grain
side only) into finished leather by retan-wet finishing
 Subpart E – Tanneries which process cattle hides, sheepskins, or splits (hair
previously removed and pickled) into finished leather by chrome or non-chrome
tanning, and retan-wet finishing
 Subpart F – Tanneries which process raw or cured cattle or cattle-like hides
through the blue tanned state by hair pulp unhairing and chrome tanning; no
retan-wet finishing is performed
 Subpart G – Tanneries which processs raw or cured sheep or sheep-like skins
with the wool or hair retained into finished leather by chrome tanning, and retanwet finishing
 Subpart H – Tanneries which process raw or cured pigskins into finished leather
by chemically dissolving or pulping the hair and tanning with chrome, then retanwet finishing
 Subpart I – Tanneries which process previously unhaired and tanned splits into
finished leather by retan-wet finishing
Part 426, Glass Manufacturing
 Subpart A – Production of insulation fiberglass in which molten glass is either
directly or indirectly made, continuously fiberized and chemically bonded into a
wool-like material
 Subpart B – Manufacture of sheet glass
 Subpart C – Manufacture of rolled glass
 Subpart D – Manufacture of plate glass
 Subpart E – Manufacture of float glass (i.e., the floating of melted mineral
ingredients on a molten tin bath)
 Subpart F – Production of side and back automobile windows
 Subpart G – Production of automobile windshields
 Subpart H – Manufacture of glass containers
 Subpart I – Machine pressed and blown glass
 Subpart J – Manufacture of glass tubing by the Danner process
 Subpart K – Manufacture of television picture tube envelopes
 Subpart L – Manufacture of incandescent frosted and unfrosted lamp envelopes
 Subpart M – Manufacture of hand blown and pressed glass
Part 427, Asbestos Manufacturing – No Pretreatment Standards
Part 428, Rubber Manufacturing
 Subpart A – Production of pneumatic tires and inner tubes in tire and inner tube
plants
 Subpart B – Manufacture of emulsion crumb rubber, other than
acrylonitrilebutadiene rubber
 Subpart C – Manufacture of crumb rubber
 Subpart D – Manufacture of latex rubber
 Subpart E – Production of molded, extruded, and fabricated rubber products,
foam rubber backing, rubber cement-dipped goods, and retreaded tires by plants
that process less than 8,200 lbs/day of raw materials
 Subpart F – Production of molded, extruded, and fabricated rubber products,
foam rubber backing, rubber cement-dipped goods and retreaded tires by plants
that process between 8,200 and 23,000 lbs/day of raw materials
 Subpart G – Production of molded, extruded and fabricated rubber products, foam
rubber backing, rubber cement-dipped goods and retreaded tires by plants that
process greater than 23,000 lbs/day of raw materials
 Subpart H – Production of reclaimed rubber by use of the wet digestion process
 Subpart I – Production of reclaimed rubber except when produced by the wet
digestion process
 Subpart J – Manufacture of latex dipped, latex extruded, and latex molded
products with the exception of those discharges from textile plants subject to 40
CFR Part 410
 Subpart K – Manufacture of latex foam except for textile plants subject to 40 CFR
Part 410
Part 429, Timber Products Processing
 Subpart A – Barking of logs and insulation board production
 Subpart B – Facilities that manufacture veneers and do not store or hold raw
materials in wet storage conditions
 Subpart C – Facilities that produce plywood that do not store or hold raw
materials in wet storage conditions.
 Subpart D – Production of hardboard using the dry matting process for forming
the board mat
 Subpart E – Production of hardboard using the wet matting process for forming
the board mat
 Subpart F – Pressure wood preserving treatment processes and all pressure wood
preserving treatment processes employing water borne inorganic salts
 Subpart G – Wood preserving using steam as part of the process
 Subpart H – Wood preserving operations which use the Boulton process as the
predominant method of conditioning stock
 Subpart I – Wet storage of unprocessed woods
 Subpart J – Log washing process in which water under pressure is applied to logs
for the purpose of removing foreign material from the surface of the log before
further processing
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Subpart K – Sawmills and planing mills
Subpart L – Drying, planing, dipping, staining, end coating, moisture proofing,
fabrication, and by-product utilization timber processing operations not otherwise
covered by specific guidelines and standards
Subpart M – Manufacture of particleboard
Subpart N – Production of insulation board using wood as the primary raw
material
Subparts O & P – Manufacture of wood furniture and wood fixtures
Part 430, Pulp, Paper and Paperboard
 Subpart A – Production of dissolving pulp at kraft mills
 Subpart B – Production of: market pulp at bleached kraft mills; paperboard,
coarse paper and tissue paper at bleached kraft mills; pulp and fine papers at
bleached kraft mills; and pulp and paper at soda mills
 Subpart C – Production of: pulp and paper at unbleached kraft mills including
linerboard or bag paper and other mixed products; pulp and paper using the
unbleached kraft-neutral sulfite semi-chemical (cross recovery) process; and pulp
and paper at combined unbleached kraft and semi-chemical mills, wherein the
spent semi-chemical cooking liquor is burned with the unbleached kraft chemical
recovery system
 Subpart D – Production of pulp at dissolving sulfite mills where blow pit pulp
washing techniques are used and pulp and paper at papergrade sulfite mills where
vacuum or pressure drums are used to wash pulp
 Subpart E – Production of pulp and paper at papergrade sulfite mills where blow
pit pulp washing techniques are used and pulp and paper at papergrade sulfite
mills where vacuum or pressure drums are used to wash pulp
 Subpart F – Production of pulp and paper at semi-chemical mills using an
ammonia base or a sodium base
 Subpart G – Production of: pulp and paper at groundwood chemi-mechanical
mills; pulp and paper at groundwood mills through the application of the thermomechanical process; pulp and coarse paper, molded pulp products, and newsprint
at groundwood mills; and pulp and fine paper at groundwood mills
 Subpart H – Production of pulp and paper at non-wood chemical pulp mills
 Subpart I – Production of pulp and paper at deink mills including fine papers,
tissue papers, or newsprint
 Subpart J – Production of: paperboard from wastepaper from noncorrugating
medium furnish or from corrugating medium furnish; tissue paper from
wastepaper without deinking at secondary fiber mills; molded products from
wastepaper without deinking; and builders’ paper and roofing felt from
wastepaper
 Subpart K – Production of: fine papers at nonintegrated mills using wood fiber
furnish or cotton fiber furnish; and lightweight papers at nonintegrated mills or
lightweight electrical papers at nonintegrated mills
 Subpart L – Production of: tissue papers at nonintegrated mills; filter and nonwoven papers at nonintegrated mills; and paperboard at nonintegrated mills.
Part 431, The Builders’ Paper and Board Mills
 Subpart A – Production of builder’s paper and roofing felt from wastepaper
Part 432, Meat Products – No Pretreatment Standards
Part 433, Metal Finishing
 Subpart A – Facilities which perform one or more of the following operations:
electroplating, electroless plating, anodizing, coating, chemical etching and
milling, and printed circuit board manufacture
Part 434, Coal Mining – No Pretreatment Standards
Part 435 Oil and Gas Extraction – No Pretreatment Standards
Part 436, Mineral and Mining Processing - No Pretreatment Standards
Part 437, Centralized Waste Treatment
 Subpart A – Facilities that treat or recover metals from metal-bearing wastes
received off-site and/or other CWT’s
 Subpart B – Facilities that treat or recover oil from oily waste received off-site
and/or other CWT’s.
 Subpart C – Facilities that treat or recover organic wastes from organic wastes
received off-site and/or other CWT’s
 Subpart D – Facilities that mix any combination of the above Subparts and treat
or recover material.
Part 438, Metal Products and Machinery – No Pretreatment Standards
Part 439, Pharmaceutical Manufacturing
 Subpart A – Manufacture of pharmaceuticals by fermentation
 Subpart B – Manufacture of pharmaceuticals by extraction
 Subpart C – Manufacture of pharmaceuticals by chemical synthesis
 Subpart D – Mixing/compounding and formulation of operations of
pharmaceuticals products
 Subpart E – Pharmaceutical research facilities
Part 440, Ore Mining and Dressing – No Pretreatment Standards
Part 441, Reserved
Part 442, Transportation Equipment Cleaning
 Subpart A – Facilities that clean the interior of tank trucks and intermodal tank
containers which have been used to transport chemical or petroleum cargos
 Subpart B – Facilities that clean the interior of rail tank cars which have been
used to transport chemical or petroleum cargos
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Subpart C – Facilities that clean tank barges or ocean/sea tankers which have
been used to transport chemical or petroleum cargos
Subpart D – Facilities that clean tank trucks, intermodal tank containers, rail tank
cars, tank barges and ocean/sea tankers which have been used to transport food
grade cargos – No Pretreatment Standards
Part 443, Paving and Roofing Material (Tars and Asphalt)
 Subpart A – Asphalt paving and roofing emulsion production
 Subpart B – Asphalt concrete production
 Subpart C – Asphalt roofing materials production
 Subpart D – Linoleum and printed asphalt felt floor coverings production
Part 444, Waste Combustors
 Subpart A – Wastewater discharges that are associated with Commercial
Hazardous Waste Combustors
Part 445, Landfills – No Pretreatment Standards
Part 446, Paint Formulating
 Subpart A – Oil base paint production where tank cleaning is performed using
solvents
Subpart 447, Ink Formulating
 Subpart A – Oil based ink production where the tank washing system uses
solvents
Subpart 448 – 453, Reserved
Subpart 454, Gum and Wood Chemicals Manufacturing – No Pretreatment
Standards
Subpart 455, Pesticide Chemicals
 Subpart A – A facility that manufactures a pesticide active ingredient (i.e., an
ingredient that is intended to prevent, destroy, repel, or mitigate any pest) listed in
Table 1 of Part 455
 Subpart B – Manufacture of metallo-organic active ingredients containing
mercury, cadmium, arsenic, or copper. (The manufacture of intermediates used to
manufacture the active ingredients are excluded from coverage.)
 Subpart C – Pesticide formulating, packaging, and repacking operations except
those operations specifically excluded from coverage as specified in 40 CFR
455.40
 Subpart D – Acceptable analytical test methods for analysis of pesticide
pollutants to demonstrate compliance with 40 CFR part 455
 Subpart E – Applicable to discharges resulting from all repackaging of
agricultural pesticides performed by refilling establishments, as defined in 455.10;
whose primary business is wholesale or retail sales; and where no pesticide
manufacturing, formulating or packaging occurs
Part 456, Reserved
Part 457, Explosives Manufacturing – No Pretreatment Standards
Part 458, Carbon Black Manufacturing
 Subpart A – Carbon black production by the furnace process
 Subpart B – Carbon black production by the thermal process
 Subpart C – Carbon black production by the channel process
 Subpart D – Carbon black production by the lamp process
Part 459, Photographic Processing – No Pretreatment Standards
Part 460, Hospitals – No Pretreatment Standards
Part 461, Battery Manufacturing
 Subpart A – Manufacture of cadmium anode batteries
 Subpart B – Manufacture of calcium anode batteries
 Subpart C – Manufacture of lead anode batteries
 Subpart D – Manufacture of zinc anode batteries with acid electrolyte (i.e.,
Leclanche type batteries)
 Subpart E – Manufacture of lithium anode batteries
 Subpart F – Manufacture of magnesium anode batteries
 Subpart G – Manufacture of zinc anode batteries
Part 462, Reserved
Part 463, Plastics Molding and Forming – No Pretreatment Standards
Part 464, Metal Molding and Casting
 Subpart A – The remelting of aluminum or an aluminum alloy to form a cast
intermediate or final product by pouring or forcing the molten metal into a mold,
except for ingots, pigs, or other cast shapes related to nonferrous, primary and
secondary metals manufacturing subject to 40 CFR part 421 and aluminum
forming operations subject to 40 CFR Part 467. Except for grinding scrubber
operations, process operations following the cooling of castings not covered under
aluminum forming are covered under 40 CFR Part 433.
 Subpart B – The remelting of copper or a copper alloy to form a cast intermediate
or final product by pouring or forcing molten metal into a mold, except for ingots,
pigs, or other cast shapes related to nonferrous primary and secondary metals
manufacturing subject to 40 CFR Part 421. Casting of beryllium alloys in which
beryllium is present at 0.1 or greater percent by weight and precious metals alloys
in which the precious metal is present at 30 or greater percent by weight are
excluded from coverage. Except for grinding scrubber operations, processing
operations following the cooling of castings are covered under 40 CFR Parts 413
and 433.


Subpart C – The remelting of ferrous metals to form a cast intermediate or
finished product by pouring the molten metal into a mold. Except for grinding
operations, processing operations following the cooling of castings are covered
under 40 CFR Parts 413 and 433.
Subpart D – The remelting of zinc or zinc alloy to form a cast intermediate or
final product by pouring or forcing the molten metal into a mold, except for
ingots, pigs, or other cast shapes related to nonferrous metals manufacturing
subject to 40 CFR part 421 and nonferrous metals forming subject to 40 CFR Part
471. Processing operations following the cooling of castings not covered under
nonferrous metals forming are covered under 40 CFR Part 413 and 433.
Part 465, Coil Coating
 Subpart A – Operations converting a steel basis material strip into coated stock.
Steel basis material means cold rolled steel, hot rolled steel, and chrome, nickel
and tin coated steel.
 Subpart B - Operations converting a galvanized basis material strip into coated
stock. Galvanized basis material means zinc coated steel, galvalum, brass and
other copper base strip
 Subpart C – Operations converting a aluminum basis material strip into coated
stock. Aluminum basis material means aluminum, aluminum alloys and
aluminum coated steels
 Subpart D – Manufacture of seamless can bodies that are washed
Part 466, Porcelain Enameling
 Subpart A – Porcelain enameling of steel basis materials
 Subpart B – Porcelain enameling of cast iron basis materials
 Subpart C – Porcelain enameling of aluminum basis materials
 Subpart D – Porcelain enameling of copper basis materials
Part 467, Aluminum Forming
 Subpart A – Core and ancillary operations of the rolling of aluminum and
aluminum alloys with neat oils
 Subpart B – Core and ancillary operations of the rolling of aluminum and
aluminum alloys with emulsions
 Subpart C – Core and ancillary operations of the extruding of aluminum and
aluminum alloys
 Subpart D – Core and ancillary operations of the forging of aluminum and
aluminum alloys
 Subpart E – Core and ancillary operations of the drawing of aluminum and
aluminum alloys with neat oils
 Subpart F – Core and ancillary operations of the drawing of aluminum and
aluminum alloys with emulsions or soaps
Parts 468, Copper Forming
 Subpart A – Forming of copper and copper alloys except beryllium copper alloys
(i.e., any copper alloy that is alloyed to contain 0.10 percent or greater of
beryllium)
 Subpart B – Forming of beryllium copper alloys
Part 469, Electrical and Electronic Components
 Subpart A – Manufacture of semiconductors. Excludes such process operations as
sputtering, vapor deposition, and electroplating
 Subpart B – Manufacture of electronic crystals
 Subpart C – Manufacture of cathode ray tubes
 Subpart D – Manufacture of luminescent materials, i.e, materials that emit light
upon excitation by such energy sources as photons, electrons, applies voltage,
chemical reactions or mechanical energy and which are specifically used as
coatings in fluorescent lamps and cathode ray tubes. For example, calcium
halophophate, yttrium oxide, zinc sulfide, and zinc-cadmium sulfide
Part 470, Reserved
Subpart 471, Nonferrous Metals Forming and Metal Powders
 Subpart A – Lead-tin-bismuth forming operations
 Subpart B – Magnesium forming operations
 Subpart C – Nickel-cobalt forming operations
 Subpart D – Precious metals forming operations. Includes gold, platinum,
palladium, and silver and their alloys and any alloy containing greater percent by
weight of precious metals
 Subpart E – Refractory metals forming operations. Includes columbium,
tantalum, molybdenum, rhenium, tungsten, and vanadium and their alloys
 Subpart F – Titanium forming operations
 Subpart G – Uranium forming operations
 Subpart H – Zinc forming operations
 Subpart I – Zirconium-hafnium forming operations
 Subpart J – Metal powders production