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EPA Hazardous Waste Classification

RCRA Waste Code Directory

Official EPA waste classification codes under RCRA (Resource Conservation and Recovery Act). The five lists (D, F, K, P, U) cover characteristic wastes, listed wastes from specific and non-specific sources, and discarded chemical products from 40 CFR Part 261.

Source: 40 CFR Part 261 — Identification and Listing of Hazardous Waste (eCFR)

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RCRA hazardous wastes are classified into five lists based on hazard basis and source.

D

Characteristic Hazardous Wastes

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F

Wastes From Non-Specific Sources

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K

Wastes From Specific Industries

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P

Acutely Hazardous Discarded Chemicals

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U

Toxic Discarded Chemical Products

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Not sure which code applies? Start from the material — each finder page shows the applicable RCRA code (or confirms none applies) under 40 CFR Part 261.

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RCRA code for Spent SolventsRCRA code for Lead-Acid BatteriesRCRA code for Used OilRCRA code for Electroplating SludgeRCRA code for Paint WasteRCRA code for Aerosol CansRCRA code for Pesticides & HerbicidesRCRA code for Fluorescent TubesRCRA code for Laboratory Chemicals

Complete RCRA Hazardous Waste Code List

The complete list of all 562 EPA hazardous waste codes from 40 CFR Part 261 — characteristic (D), non-specific source (F), industry-specific (K), acutely hazardous (P) and toxic (U) wastes. Click any code for classification criteria, examples, and disposal routes.

D List — Characteristic Hazardous Wastes
D001Ignitable waste - liquids with flash point below 60 C (140 F), ignitable solids, oxidizers, and ignitable compressed gasesD002Corrosive waste - aqueous wastes with pH at or below 2 or at or above 12.5, or liquids that corrode steel faster than 6.35 mm per yearD003Reactive waste - unstable, water-reactive, cyanide- or sulfide-bearing, or explosive wastesD004Toxicity characteristic waste - Arsenic at or above 5.0 mg/L (TCLP)D005Toxicity characteristic waste - Barium at or above 100.0 mg/L (TCLP)D006Toxicity characteristic waste - Cadmium at or above 1.0 mg/L (TCLP)D007Toxicity characteristic waste - Chromium at or above 5.0 mg/L (TCLP)D008Toxicity characteristic waste - Lead at or above 5.0 mg/L (TCLP)D009Toxicity characteristic waste - Mercury at or above 0.2 mg/L (TCLP)D010Toxicity characteristic waste - Selenium at or above 1.0 mg/L (TCLP)D011Toxicity characteristic waste - Silver at or above 5.0 mg/L (TCLP)D012Toxicity characteristic waste - Endrin at or above 0.02 mg/L (TCLP)D013Toxicity characteristic waste - Lindane at or above 0.4 mg/L (TCLP)D014Toxicity characteristic waste - Methoxychlor at or above 10.0 mg/L (TCLP)D015Toxicity characteristic waste - Toxaphene at or above 0.5 mg/L (TCLP)D016Toxicity characteristic waste - 2,4-D at or above 10.0 mg/L (TCLP)D017Toxicity characteristic waste - 2,4,5-TP (Silvex) at or above 1.0 mg/L (TCLP)D018Toxicity characteristic waste - Benzene at or above 0.5 mg/L (TCLP)D019Toxicity characteristic waste - Carbon tetrachloride at or above 0.5 mg/L (TCLP)D020Toxicity characteristic waste - Chlordane at or above 0.03 mg/L (TCLP)D021Toxicity characteristic waste - Chlorobenzene at or above 100.0 mg/L (TCLP)D022Toxicity characteristic waste - Chloroform at or above 6.0 mg/L (TCLP)D023Toxicity characteristic waste - o-Cresol at or above undefined mg/L (TCLP)D024Toxicity characteristic waste - m-Cresol at or above undefined mg/L (TCLP)D025Toxicity characteristic waste - p-Cresol at or above undefined mg/L (TCLP)D026Toxicity characteristic waste - Cresol at or above undefined mg/L (TCLP)D027Toxicity characteristic waste - 1,4-Dichlorobenzene at or above 7.5 mg/L (TCLP)D028Toxicity characteristic waste - 1,2-Dichloroethane at or above 0.5 mg/L (TCLP)D029Toxicity characteristic waste - 1,1-Dichloroethylene at or above 0.7 mg/L (TCLP)D030Toxicity characteristic waste - 2,4-Dinitrotoluene at or above undefined mg/L (TCLP)D031Toxicity characteristic waste - Heptachlor (and its epoxide) at or above 0.008 mg/L (TCLP)D032Toxicity characteristic waste - Hexachlorobenzene at or above undefined mg/L (TCLP)D033Toxicity characteristic waste - Hexachlorobutadiene at or above 0.5 mg/L (TCLP)D034Toxicity characteristic waste - Hexachloroethane at or above 3.0 mg/L (TCLP)D035Toxicity characteristic waste - Methyl ethyl ketone at or above 200.0 mg/L (TCLP)D036Toxicity characteristic waste - Nitrobenzene at or above 2.0 mg/L (TCLP)D037Toxicity characteristic waste - Pentachlorophenol at or above 100.0 mg/L (TCLP)D038Toxicity characteristic waste - Pyridine at or above undefined mg/L (TCLP)D039Toxicity characteristic waste - Tetrachloroethylene at or above 0.7 mg/L (TCLP)D040Toxicity characteristic waste - Trichloroethylene at or above 0.5 mg/L (TCLP)D041Toxicity characteristic waste - 2,4,5-Trichlorophenol at or above 400.0 mg/L (TCLP)D042Toxicity characteristic waste - 2,4,6-Trichlorophenol at or above 2.0 mg/L (TCLP)D043Toxicity characteristic waste - Vinyl chloride at or above 0.2 mg/L (TCLP)
F List — Wastes From Non-Specific Sources
F001The following spent halogenated solvents used in degreasing: Tetrachloroethylene, trichloroethylene, methylene chloride, 1,1,1-trichloroethane, carbon tetrachloride, and chlorinated fluorocarbons; all spent solvent mixtures/blends used in degreasing containing, before use, a total of ten percent or more (by volume) of one or more of the above halogenated solvents or those solvents listed in F002, F004, and F005; and still bottoms from the recovery of these spent solvents and spent solvent mixturesF002The following spent halogenated solvents: Tetrachloroethylene, methylene chloride, trichloroethylene, 1,1,1-trichloroethane, chlorobenzene, 1,1,2-trichloro-1,2,2-trifluoroethane, ortho-dichlorobenzene, trichlorofluoromethane, and 1,1,2-trichloroethane; all spent solvent mixtures/blends containing, before use, a total of ten percent or more (by volume) of one or more of the above halogenated solvents or those listed in F001, F004, or F005; and still bottoms from the recovery of these spent solvents and spent solvent mixturesF003The following spent non-halogenated solvents: Xylene, acetone, ethyl acetate, ethyl benzene, ethyl ether, methyl isobutyl ketone, n-butyl alcohol, cyclohexanone, and methanol; all spent solvent mixtures/blends containing, before use, only the above spent non-halogenated solvents; and all spent solvent mixtures/blends containing, before use, one or more of the above non-halogenated solvents, and, a total of ten percent or more (by volume) of one or more of those solvents listed in F001, F002, F004, and F005; and still bottoms from the recovery of these spent solvents and spent solvent mixturesF004The following spent non-halogenated solvents: Cresols and cresylic acid, and nitrobenzene; all spent solvent mixtures/blends containing, before use, a total of ten percent or more (by volume) of one or more of the above non-halogenated solvents or those solvents listed in F001, F002, and F005; and still bottoms from the recovery of these spent solvents and spent solvent mixturesF005The following spent non-halogenated solvents: Toluene, methyl ethyl ketone, carbon disulfide, isobutanol, pyridine, benzene, 2-ethoxyethanol, and 2-nitropropane; all spent solvent mixtures/blends containing, before use, a total of ten percent or more (by volume) of one or more of the above non-halogenated solvents or those solvents listed in F001, F002, or F004; and still bottoms from the recovery of these spent solvents and spent solvent mixturesF006Wastewater treatment sludges from electroplating operations except from the following processes: (1) Sulfuric acid anodizing of aluminum; (2) tin plating on carbon steel; (3) zinc plating (segregated basis) on carbon steel; (4) aluminum or zinc-aluminum plating on carbon steel; (5) cleaning/stripping associated with tin, zinc and aluminum plating on carbon steel; and (6) chemical etching and milling of aluminumF007Spent cyanide plating bath solutions from electroplating operationsF008Plating bath residues from the bottom of plating baths from electroplating operations where cyanides are used in the processF009Spent stripping and cleaning bath solutions from electroplating operations where cyanides are used in the processF010Quenching bath residues from oil baths from metal heat treating operations where cyanides are used in the processF011Spent cyanide solutions from salt bath pot cleaning from metal heat treating operationsF012Quenching waste water treatment sludges from metal heat treating operations where cyanides are used in the processF019Wastewater treatment sludges from the chemical conversion coating of aluminum except from zirconium phosphating in aluminum can washing when such phosphating is an exclusive conversion coating process. Wastewater treatment sludges from the manufacturing of motor vehicles using a zinc phosphating process will not be subject to this listing at the point of generation if the wastes are not placed outside on the land prior to shipment to a landfill for disposal and are either: disposed in a Subtitle D municipal or industrial landfill unit that is equipped with a single clay liner and is permitted, licensed or otherwise authorized by the state; or disposed in a landfill unit subject to, or otherwise meeting, the landfill requirements in § 258.40, § 264.301 or § 265.301. For the purposes of this listing, motor vehicle manufacturing is defined in paragraph (b)(4)(i) of this section and (b)(4)(ii) of this section describes the recordkeeping requirements for motor vehicle manufacturing facilitiesF020Wastes (except wastewater and spent carbon from hydrogen chloride purification) from the production or manufacturing use (as a reactant, chemical intermediate, or component in a formulating process) of tri- or tetrachlorophenol, or of intermediates used to produce their pesticide derivatives. (This listing does not include wastes from the production of Hexachlorophene from highly purified 2,4,5-trichlorophenol.)F021Wastes (except wastewater and spent carbon from hydrogen chloride purification) from the production or manufacturing use (as a reactant, chemical intermediate, or component in a formulating process) of pentachlorophenol, or of intermediates used to produce its derivativesF022Wastes (except wastewater and spent carbon from hydrogen chloride purification) from the manufacturing use (as a reactant, chemical intermediate, or component in a formulating process) of tetra-, penta-, or hexachlorobenzenes under alkaline conditionsF023Wastes (except wastewater and spent carbon from hydrogen chloride purification) from the production of materials on equipment previously used for the production or manufacturing use (as a reactant, chemical intermediate, or component in a formulating process) of tri- and tetrachlorophenols. (This listing does not include wastes from equipment used only for the production or use of Hexachlorophene from highly purified 2,4,5-trichlorophenol.)F024Process wastes, including but not limited to, distillation residues, heavy ends, tars, and reactor clean-out wastes, from the production of certain chlorinated aliphatic hydrocarbons by free radical catalyzed processes. These chlorinated aliphatic hydrocarbons are those having carbon chain lengths ranging from one to and including five, with varying amounts and positions of chlorine substitution. (This listing does not include wastewaters, wastewater treatment sludges, spent catalysts, and wastes listed in § 261.31 or § 261.32.)F025Condensed light ends, spent filters and filter aids, and spent desiccant wastes from the production of certain chlorinated aliphatic hydrocarbons, by free radical catalyzed processes. These chlorinated aliphatic hydrocarbons are those having carbon chain lengths ranging from one to and including five, with varying amounts and positions of chlorine substitutionF026Wastes (except wastewater and spent carbon from hydrogen chloride purification) from the production of materials on equipment previously used for the manufacturing use (as a reactant, chemical intermediate, or component in a formulating process) of tetra-, penta-, or hexachlorobenzene under alkaline conditionsF027Discarded unused formulations containing tri-, tetra-, or pentachlorophenol or discarded unused formulations containing compounds derived from these chlorophenols. (This listing does not include formulations containing Hexachlorophene sythesized from prepurified 2,4,5-trichlorophenol as the sole component.)F028Residues resulting from the incineration or thermal treatment of soil contaminated with EPA Hazardous Waste Nos. F020, F021, F022, F023, F026, and F027F032Wastewaters (except those that have not come into contact with process contaminants), process residuals, preservative drippage, and spent formulations from wood preserving processes generated at plants that currently use or have previously used chlorophenolic formulations (except potentially cross-contaminated wastes that have had the F032 waste code deleted in accordance with § 261.35 of this chapter or potentially cross-contaminated wastes that are otherwise currently regulated as hazardous wastes (i.e., F034 or F035), and where the generator does not resume or initiate use of chlorophenolic formulations). This listing does not include K001 bottom sediment sludge from the treatment of wastewater from wood preserving processes that use creosote and/or pentachlorophenolF034Wastewaters (except those that have not come into contact with process contaminants), process residuals, preservative drippage, and spent formulations from wood preserving processes generated at plants that use creosote formulations. This listing does not include K001 bottom sediment sludge from the treatment of wastewater from wood preserving processes that use creosote and/or pentachlorophenolF035Wastewaters (except those that have not come into contact with process contaminants), process residuals, preservative drippage, and spent formulations from wood preserving processes generated at plants that use inorganic preservatives containing arsenic or chromium. This listing does not include K001 bottom sediment sludge from the treatment of wastewater from wood preserving processes that use creosote and/or pentachlorophenolF037Petroleum refinery primary oil/water/solids separation sludge—Any sludge generated from the gravitational separation of oil/water/solids during the storage or treatment of process wastewaters and oily cooling wastewaters from petroleum refineries. Such sludges include, but are not limited to, those generated in oil/water/solids separators; tanks and impoundments; ditches and other conveyances; sumps; and stormwater units receiving dry weather flow. Sludge generated in stormwater units that do not receive dry weather flow, sludges generated from non-contact once-through cooling waters segregated for treatment from other process or oily cooling waters, sludges generated in aggressive biological treatment units as defined in § 261.31(b)(2) (including sludges generated in one or more additional units after wastewaters have been treated in aggressive biological treatment units) and K051 wastes are not included in this listing. This listing does include residuals generated from processing or recycling oil-bearing hazardous secondary materials excluded under § 261.4(a)(12)(i), if those residuals are to be disposed ofF038Petroleum refinery secondary (emulsified) oil/water/solids separation sludge—Any sludge and/or float generated from the physical and/or chemical separation of oil/water/solids in process wastewaters and oily cooling wastewaters from petroleum refineries. Such wastes include, but are not limited to, all sludges and floats generated in: induced air flotation (IAF) units, tanks and impoundments, and all sludges generated in DAF units. Sludges generated in stormwater units that do not receive dry weather flow, sludges generated from non-contact once-through cooling waters segregated for treatment from other process or oily cooling waters, sludges and floats generated in aggressive biological treatment units as defined in § 261.31(b)(2) (including sludges and floats generated in one or more additional units after wastewaters have been treated in aggressive biological treatment units) and F037, K048, and K051 wastes are not included in this listingF039Leachate (liquids that have percolated through land disposed wastes) resulting from the disposal of more than one restricted waste classified as hazardous under subpart D of this part. (Leachate resulting from the disposal of one or more of the following EPA Hazardous Wastes and no other Hazardous Wastes retains its EPA Hazardous Waste Number(s): F020, F021, F022, F026, F027, and/or F028.)
K List — Wastes From Specific Industries
K001Bottom sediment sludge from the treatment of wastewaters from wood preserving processes that use creosote and/or pentachlorophenolK002Wastewater treatment sludge from the production of chrome yellow and orange pigmentsK003Wastewater treatment sludge from the production of molybdate orange pigmentsK004Wastewater treatment sludge from the production of zinc yellow pigmentsK005Wastewater treatment sludge from the production of chrome green pigmentsK006Wastewater treatment sludge from the production of chrome oxide green pigments (anhydrous and hydrated)K007Wastewater treatment sludge from the production of iron blue pigmentsK008Oven residue from the production of chrome oxide green pigmentsK009Distillation bottoms from the production of acetaldehyde from ethyleneK010Distillation side cuts from the production of acetaldehyde from ethyleneK011Bottom stream from the wastewater stripper in the production of acrylonitrileK013Bottom stream from the acetonitrile column in the production of acrylonitrileK014Bottoms from the acetonitrile purification column in the production of acrylonitrileK015Still bottoms from the distillation of benzyl chlorideK016Heavy ends or distillation residues from the production of carbon tetrachlorideK017Heavy ends (still bottoms) from the purification column in the production of epichlorohydrinK018Heavy ends from the fractionation column in ethyl chloride productionK019Heavy ends from the distillation of ethylene dichloride in ethylene dichloride productionK020Heavy ends from the distillation of vinyl chloride in vinyl chloride monomer productionK021Aqueous spent antimony catalyst waste from fluoromethanes productionK022Distillation bottom tars from the production of phenol/acetone from cumeneK023Distillation light ends from the production of phthalic anhydride from naphthaleneK024Distillation bottoms from the production of phthalic anhydride from naphthaleneK025Distillation bottoms from the production of nitrobenzene by the nitration of benzeneK026Stripping still tails from the production of methy ethyl pyridinesK027Centrifuge and distillation residues from toluene diisocyanate productionK028Spent catalyst from the hydrochlorinator reactor in the production of 1,1,1-trichloroethaneK029Waste from the product steam stripper in the production of 1,1,1-trichloroethaneK030Column bottoms or heavy ends from the combined production of trichloroethylene and perchloroethyleneK031By-product salts generated in the production of MSMA and cacodylic acidK032Wastewater treatment sludge from the production of chlordaneK033Wastewater and scrub water from the chlorination of cyclopentadiene in the production of chlordaneK034Filter solids from the filtration of hexachlorocyclopentadiene in the production of chlordaneK035Wastewater treatment sludges generated in the production of creosoteK036Still bottoms from toluene reclamation distillation in the production of disulfotonK037Wastewater treatment sludges from the production of disulfotonK038Wastewater from the washing and stripping of phorate productionK039Filter cake from the filtration of diethylphosphorodithioic acid in the production of phorateK040Wastewater treatment sludge from the production of phorateK041Wastewater treatment sludge from the production of toxapheneK042Heavy ends or distillation residues from the distillation of tetrachlorobenzene in the production of 2,4,5-TK0432,6-Dichlorophenol waste from the production of 2,4-DK044Wastewater treatment sludges from the manufacturing and processing of explosivesK045Spent carbon from the treatment of wastewater containing explosivesK046Wastewater treatment sludges from the manufacturing, formulation and loading of lead-based initiating compoundsK047Pink/red water from TNT operationsK048Dissolved air flotation (DAF) float from the petroleum refining industryK049Slop oil emulsion solids from the petroleum refining industryK050Heat exchanger bundle cleaning sludge from the petroleum refining industryK051API separator sludge from the petroleum refining industryK052Tank bottoms (leaded) from the petroleum refining industryK060Ammonia still lime sludge from coking operationsK061Emission control dust/sludge from the primary production of steel in electric furnacesK062Spent pickle liquor generated by steel finishing operations of facilities within the iron and steel industry (SIC Codes 331 and 332)K069Emission control dust/sludge from secondary lead smelting. ( Note: This listing is stayed administratively for sludge generated from secondary acid scrubber systems. The stay will remain in effect until further administrative action is taken. If EPA takes further action effecting this stay, EPA will publish a notice of the action in the Federal Register )K071Brine purification muds from the mercury cell process in chlorine production, where separately prepurified brine is not usedK073Chlorinated hydrocarbon waste from the purification step of the diaphragm cell process using graphite anodes in chlorine productionK083Distillation bottoms from aniline productionK084Wastewater treatment sludges generated during the production of veterinary pharmaceuticals from arsenic or organo-arsenic compoundsK085Distillation or fractionation column bottoms from the production of chlorobenzenesK086Solvent washes and sludges, caustic washes and sludges, or water washes and sludges from cleaning tubs and equipment used in the formulation of ink from pigments, driers, soaps, and stabilizers containing chromium and leadK087Decanter tank tar sludge from coking operationsK088Spent potliners from primary aluminum reductionK093Distillation light ends from the production of phthalic anhydride from ortho-xyleneK094Distillation bottoms from the production of phthalic anhydride from ortho-xyleneK095Distillation bottoms from the production of 1,1,1-trichloroethaneK096Heavy ends from the heavy ends column from the production of 1,1,1-trichloroethaneK097Vacuum stripper discharge from the chlordane chlorinator in the production of chlordaneK098Untreated process wastewater from the production of toxapheneK099Untreated wastewater from the production of 2,4-DK100Waste leaching solution from acid leaching of emission control dust/sludge from secondary lead smeltingK101Distillation tar residues from the distillation of aniline-based compounds in the production of veterinary pharmaceuticals from arsenic or organo-arsenic compoundsK102Residue from the use of activated carbon for decolorization in the production of veterinary pharmaceuticals from arsenic or organo-arsenic compoundsK103Process residues from aniline extraction from the production of anilineK104Combined wastewater streams generated from nitrobenzene/aniline productionK105Separated aqueous stream from the reactor product washing step in the production of chlorobenzenesK106Wastewater treatment sludge from the mercury cell process in chlorine productionK107Column bottoms from product separation from the production of 1,1-dimethylhydrazine (UDMH) from carboxylic acid hydrazidesK108Condensed column overheads from product separation and condensed reactor vent gases from the production of 1,1-dimethylhydrazine (UDMH) from carboxylic acid hydrazidesK109Spent filter cartridges from product purification from the production of 1,1-dimethylhydrazine (UDMH) from carboxylic acid hydrazidesK110Condensed column overheads from intermediate separation from the production of 1,1-dimethylhydrazine (UDMH) from carboxylic acid hydrazidesK111Product washwaters from the production of dinitrotoluene via nitration of tolueneK112Reaction by-product water from the drying column in the production of toluenediamine via hydrogenation of dinitrotolueneK113Condensed liquid light ends from the purification of toluenediamine in the production of toluenediamine via hydrogenation of dinitrotolueneK114Vicinals from the purification of toluenediamine in the production of toluenediamine via hydrogenation of dinitrotolueneK115Heavy ends from the purification of toluenediamine in the production of toluenediamine via hydrogenation of dinitrotolueneK116Organic condensate from the solvent recovery column in the production of toluene diisocyanate via phosgenation of toluenediamineK117Wastewater from the reactor vent gas scrubber in the production of ethylene dibromide via bromination of etheneK118Spent adsorbent solids from purification of ethylene dibromide in the production of ethylene dibromide via bromination of etheneK123Process wastewater (including supernates, filtrates, and washwaters) from the production of ethylenebisdithiocarbamic acid and its saltK124Reactor vent scrubber water from the production of ethylenebisdithiocarbamic acid and its saltsK125Filtration, evaporation, and centrifugation solids from the production of ethylenebisdithiocarbamic acid and its saltsK126Baghouse dust and floor sweepings in milling and packaging operations from the production or formulation of ethylenebisdithiocarbamic acid and its saltsK131Wastewater from the reactor and spent sulfuric acid from the acid dryer from the production of methyl bromideK132Spent absorbent and wastewater separator solids from the production of methyl bromideK136Still bottoms from the purification of ethylene dibromide in the production of ethylene dibromide via bromination of etheneK141Process residues from the recovery of coal tar, including, but not limited to, collecting sump residues from the production of coke from coal or the recovery of coke by-products produced from coal. This listing does not include K087 (decanter tank tar sludges from coking operations)K142Tar storage tank residues from the production of coke from coal or from the recovery of coke by-products produced from coalK143Process residues from the recovery of light oil, including, but not limited to, those generated in stills, decanters, and wash oil recovery units from the recovery of coke by-products produced from coalK144Wastewater sump residues from light oil refining, including, but not limited to, intercepting or contamination sump sludges from the recovery of coke by-products produced from coalK145Residues from naphthalene collection and recovery operations from the recovery of coke by-products produced from coalK147Tar storage tank residues from coal tar refiningK148Residues from coal tar distillation, including but not limited to, still bottomsK149Distillation bottoms from the production of alpha- (or methyl-) chlorinated toluenes, ring-chlorinated toluenes, benzoyl chlorides, and compounds with mixtures of these functional groups, (This waste does not include still bottoms from the distillation of benzyl chloride.)K150Organic residuals, excluding spent carbon adsorbent, from the spent chlorine gas and hydrochloric acid recovery processes associated with the production of alpha- (or methyl-) chlorinated toluenes, ring-chlorinated toluenes, benzoyl chlorides, and compounds with mixtures of these functional groupsK151Wastewater treatment sludges, excluding neutralization and biological sludges, generated during the treatment of wastewaters from the production of alpha- (or methyl-) chlorinated toluenes, ring-chlorinated toluenes, benzoyl chlorides, and compounds with mixtures of these functional groupsK156Organic waste (including heavy ends, still bottoms, light ends, spent solvents, filtrates, and decantates) from the production of carbamates and carbamoyl oximes. (This listing does not apply to wastes generated from the manufacture of 3-iodo-2-propynyl n-butylcarbamate.)K157Wastewaters (including scrubber waters, condenser waters, washwaters, and separation waters) from the production of carbamates and carbamoyl oximes. (This listing does not apply to wastes generated from the manufacture of 3-iodo-2-propynyl n-butylcarbamate.)K158Bag house dusts and filter/separation solids from the production of carbamates and carbamoyl oximes. (This listing does not apply to wastes generated from the manufacture of 3-iodo-2-propynyl n-butylcarbamate.)K159Organics from the treatment of thiocarbamate wastesK161Purification solids (including filtration, evaporation, and centrifugation solids), bag house dust and floor sweepings from the production of dithiocarbamate acids and their salts. (This listing does not include K125 or K126.)K169Crude oil storage tank sediment from petroleum refining operationsK170Clarified slurry oil tank sediment and/or in-line filter/separation solids from petroleum refining operationsK171Spent Hydrotreating catalyst from petroleum refining operations, including guard beds used to desulfurize feeds to other catalytic reactors (this listing does not include inert support media)K172Spent Hydrorefining catalyst from petroleum refining operations, including guard beds used to desulfurize feeds to other catalytic reactors (this listing does not include inert support media)K174Wastewater treatment sludges from the production of ethylene dichloride or vinyl chloride monomer (including sludges that result from commingled ethylene dichloride or vinyl chloride monomer wastewater and other wastewater), unless the sludges meet the following conditions: (i) they are disposed of in a subtitle C or non-hazardous landfill licensed or permitted by the state or federal government; (ii) they are not otherwise placed on the land prior to final disposal; and (iii) the generator maintains documentation demonstrating that the waste was either disposed of in an on-site landfill or consigned to a transporter or disposal facility that provided a written commitment to dispose of the waste in an off-site landfill. Respondents in any action brought to enforce the requirements of subtitle C must, upon a showing by the government that the respondent managed wastewater treatment sludges from the production of vinyl chloride monomer or ethylene dichloride, demonstrate that they meet the terms of the exclusion set forth above. In doing so, they must provide appropriate documentation (e.g., contracts between the generator and the landfill owner/operator, invoices documenting delivery of waste to landfill, etc.) that the terms of the exclusion were metK175Wastewater treatment sludges from the production of vinyl chloride monomer using mercuric chloride catalyst in an acetylene-based processK176Baghouse filters from the production of antimony oxide, including filters from the production of intermediates (e.g., antimony metal or crude antimony oxide)K177Slag from the production of antimony oxide that is speculatively accumulated or disposed, including slag from the production of intermediates (e.g., antimony metal or crude antimony oxide)K178Residues from manufacturing and manufacturing-site storage of ferric chloride from acids formed during the production of titanium dioxide using the chloride-ilmenite processK181Nonwastewaters from the production of dyes and/or pigments (including nonwastewaters commingled at the point of generation with nonwastewaters from other processes) that, at the point of generation, contain mass loadings of any of the constituents identified in paragraph (c) of this section that are equal to or greater than the corresponding paragraph (c) levels, as determined on a calendar year basis. These wastes will not be hazardous if the nonwastewaters are: (i) disposed in a Subtitle D landfill unit subject to the design criteria in § 258.40, (ii) disposed in a Subtitle C landfill unit subject to either § 264.301 or § 265.301, (iii) disposed in other Subtitle D landfill units that meet the design criteria in § 258.40, § 264.301, or § 265.301, or (iv) treated in a combustion unit that is permitted under Subtitle C, or an onsite combustion unit that is permitted under the Clean Air Act. For the purposes of this listing, dyes and/or pigments production is defined in paragraph (b)(1) of this section. Paragraph (d) of this section describes the process for demonstrating that a facility's nonwastewaters are not K181. This listing does not apply to wastes that are otherwise identified as hazardous under §§ 261.21-261.24 and 261.31-261.33 at the point of generation. Also, the listing does not apply to wastes generated before any annual mass loading limit is met
P List — Acutely Hazardous Discarded Chemicals
P0012H-1-Benzopyran-2-one, 4-hydroxy-3-(3-oxo-1-phenylbutyl)-, & salts, when present at concentrations greater than 0.3%P002Acetamide, N-(aminothioxomethyl)-P003AcroleinP004AldrinP005Allyl alcoholP006Aluminum phosphideP0075-(Aminomethyl)-3-isoxazololP0084-AminopyridineP009Ammonium picrateP010Arsenic acid H 3 AsO 4P011Arsenic pentoxideP012Arsenic trioxideP013Barium cyanideP014BenzenethiolP015Beryllium powderP016Dichloromethyl etherP017BromoacetoneP018BrucineP020DinosebP021Calcium cyanideP022Carbon disulfideP023Acetaldehyde, chloro-P024p-ChloroanilineP0261-(o-Chlorophenyl)thioureaP0273-ChloropropionitrileP028Benzene, (chloromethyl)-P029Copper cyanideP030Cyanides (soluble cyanide salts), not otherwise specifiedP031CyanogenP033Cyanogen chlorideP0342-Cyclohexyl-4,6-dinitrophenolP036Arsonous dichloride, phenyl-P037DieldrinP038Arsine, diethyl-P039DisulfotonP040O,O-Diethyl O-pyrazinyl phosphorothioateP041Diethyl-p-nitrophenyl phosphateP042EpinephrineP043Diisopropylfluorophosphate (DFP)P044DimethoateP045ThiofanoxP046Benzeneethanamine, alpha,alpha-dimethyl-P0474,6-Dinitro-o-cresol, & saltsP0482,4-DinitrophenolP049DithiobiuretP050EndosulfanP051EndrinP054AziridineP056FluorineP057FluoroacetamideP058Acetic acid, fluoro-, sodium saltP059HeptachlorP060IsodrinP062Hexaethyl tetraphosphateP063Hydrocyanic acidP064Methane, isocyanato-P065Mercury fulminateP066Ethanimidothioic acid, N-[[(methylamino)carbonyl]oxy]-, methyl esterP067Aziridine, 2-methyl-P068Hydrazine, methyl-P0692-MethyllactonitrileP070AldicarbP071Methyl parathionP072alpha-NaphthylthioureaP073Nickel carbonylP074Nickel cyanideP075Nicotine, & salts (this listing does not include patches, gums and lozenges that are FDA-approved over-the-counter nicotine replacement therapies).P076Nitric oxideP077p-NitroanilineP078Nitrogen dioxideP081NitroglycerineP082Methanamine, N-methyl-N-nitroso-P084N-NitrosomethylvinylamineP085Diphosphoramide, octamethyl-P087Osmium tetroxideP088EndothallP089ParathionP092Mercury, (acetato-O)phenyl-P093PhenylthioureaP094PhorateP095Carbonic dichlorideP096Hydrogen phosphideP097FamphurP098Potassium cyanideP099Potassium silver cyanideP101Ethyl cyanideP102Propargyl alcoholP103SelenoureaP104Silver cyanideP105Sodium azideP106Sodium cyanideP108Strychnine, & saltsP109TetraethyldithiopyrophosphateP110Plumbane, tetraethyl-P111Diphosphoric acid, tetraethyl esterP112Methane, tetranitro-P113Thallic oxideP114Thallium(I) seleniteP115Thallium(I) sulfateP116HydrazinecarbothioamideP118Methanethiol, trichloro-P119Ammonium vanadateP120Vanadium pentoxideP121Zinc cyanideP122Zinc phosphide Zn 3 P 2 , when present at concentrations greater than 10%P123ToxapheneP127Carbofuran.P128Mexacarbate.P185Tirpate.P188Physostigmine salicylate.P189Carbosulfan.P190Metolcarb.P191Dimetilan.P192Isolan.P194Oxamyl.P196Manganese, bis(dimethylcarbamodithioato-S,S′)-,P197Formparanate.P198Formetanate hydrochloride.P199Methiocarb.P201PromecarbP202m-Cumenyl methylcarbamate.P203Aldicarb sulfone.P204Physostigmine.P205Zinc, bis(dimethylcarbamodithioato-S,S′)-,
U List — Toxic Discarded Chemical Products
U001AcetaldehydeU002AcetoneU003AcetonitrileU004AcetophenoneU005Acetamide, N-9H-fluoren-2-yl-U006Acetyl chlorideU007AcrylamideU008Acrylic acidU009AcrylonitrileU010Mitomycin CU011AmitroleU012AnilineU014AuramineU015AzaserineU016Benz[c]acridineU017Benzal chlorideU018Benz[a]anthraceneU019BenzeneU020Benzenesulfonic acid chlorideU021BenzidineU022Benzo[a]pyreneU023Benzene, (trichloromethyl)-U024Dichloromethoxy ethaneU025Dichloroethyl etherU026ChlornaphazinU027Dichloroisopropyl etherU028Diethylhexyl phthalateU029Methane, bromo-U030Benzene, 1-bromo-4-phenoxy-U031n-Butyl alcoholU032Calcium chromateU033Carbonic difluorideU034Acetaldehyde, trichloro-U035ChlorambucilU036Chlordane, alpha & gamma isomersU037Benzene, chloro-U038ChlorobenzilateU039p-Chloro-m-cresolU041EpichlorohydrinU0422-Chloroethyl vinyl etherU043Ethene, chloro-U044ChloroformU045Methane, chloro-U046Chloromethyl methyl etherU047beta-ChloronaphthaleneU048o-ChlorophenolU049Benzenamine, 4-chloro-2-methyl-, hydrochlorideU050ChryseneU051CreosoteU052Cresol (Cresylic acid)U053CrotonaldehydeU055CumeneU056Benzene, hexahydro-U057CyclohexanoneU058CyclophosphamideU059DaunomycinU060DDD (Benzene, 1,1′-(2,2-dichloroethylidene)bis[4-chloro-)U061DDT (Benzene, 1,1′-(2,2,2-trichloroethylidene)bis[4-chloro-)U062DiallateU063Dibenz[a,h]anthraceneU064Benzo[rst]pentapheneU0661,2-Dibromo-3-chloropropaneU067Ethylene dibromideU068Methane, dibromo-U069Dibutyl phthalateU070o-DichlorobenzeneU071m-DichlorobenzeneU072p-DichlorobenzeneU073[1,1′-Biphenyl]-4,4′-diamine, 3,3′-dichloro-U0742-Butene, 1,4-dichloro-U075DichlorodifluoromethaneU076Ethylidene dichlorideU077Ethylene dichlorideU0781,1-DichloroethyleneU0791,2-DichloroethyleneU080Methane, dichloro-U0812,4-DichlorophenolU0822,6-DichlorophenolU083Propylene dichlorideU0841,3-DichloropropeneU0852,2′-BioxiraneU086N,N′-DiethylhydrazineU087O,O-Diethyl S-methyl dithiophosphateU088Diethyl phthalateU089DiethylstilbesterolU090DihydrosafroleU091[1,1′-Biphenyl]-4,4′-diamine, 3,3′-dimethoxy-U092DimethylamineU093p-DimethylaminoazobenzeneU094Benz[a]anthracene, 7,12-dimethyl-U095[1,1′-Biphenyl]-4,4′-diamine, 3,3′-dimethyl-U096alpha,alpha-DimethylbenzylhydroperoxideU097Carbamic chloride, dimethyl-U0981,1-DimethylhydrazineU0991,2-DimethylhydrazineU1012,4-DimethylphenolU102Dimethyl phthalateU103Dimethyl sulfateU105Benzene, 1-methyl-2,4-dinitro-U106Benzene, 2-methyl-1,3-dinitro-U107Di-n-octyl phthalateU1081,4-DiethyleneoxideU1091,2-DiphenylhydrazineU110DipropylamineU111Di-n-propylnitrosamineU112Acetic acid ethyl esterU113Ethyl acrylateU114Ethylenebisdithiocarbamic acid, salts & estersU115Ethylene oxideU116EthylenethioureaU117Ethyl etherU118Ethyl methacrylateU119Ethyl methanesulfonateU120FluorantheneU121Methane, trichlorofluoro-U122FormaldehydeU123Formic acidU124FuranU125FurfuralU126GlycidylaldehydeU127Benzene, hexachloro-U128HexachlorobutadieneU129LindaneU130HexachlorocyclopentadieneU131Ethane, hexachloro-U132HexachloropheneU133HydrazineU134Hydrofluoric acidU135Hydrogen sulfideU136Arsinic acid, dimethyl-U137Indeno[1,2,3-cd]pyreneU138Methane, iodo-U140Isobutyl alcoholU141IsosafroleU142KeponeU143LasiocarpineU144Lead acetateU145Lead phosphateU146Lead, bis(acetato-O)tetrahydroxytri-U147Maleic anhydrideU148Maleic hydrazideU149MalononitrileU150MelphalanU151MercuryU152MethacrylonitrileU153MethanethiolU154MethanolU155MethapyrileneU156Carbonochloridic acid, methyl esterU157Benz[j]aceanthrylene, 1,2-dihydro-3-methyl-U158Benzenamine, 4,4′-methylenebis[2-chloro-U159Methyl ethyl ketone (MEK)U160Methyl ethyl ketone peroxideU161Methyl isobutyl ketoneU162Methyl methacrylateU163Guanidine, N-methyl-N′-nitro-N-nitroso-U164MethylthiouracilU165NaphthaleneU1661,4-NaphthalenedioneU167alpha-NaphthylamineU168beta-NaphthylamineU169Benzene, nitro-U170p-NitrophenolU1712-NitropropaneU172N-Nitrosodi-n-butylamineU173N-NitrosodiethanolamineU174Ethanamine, N-ethyl-N-nitroso-U176N-Nitroso-N-ethylureaU177N-Nitroso-N-methylureaU178Carbamic acid, methylnitroso-, ethyl esterU179N-NitrosopiperidineU180N-NitrosopyrrolidineU181Benzenamine, 2-methyl-5-nitro-U182ParaldehydeU183Benzene, pentachloro-U184Ethane, pentachloro-U185Benzene, pentachloronitro-U1861-MethylbutadieneU187PhenacetinU188PhenolU189Phosphorus sulfideU190Phthalic anhydrideU1912-PicolineU192PronamideU1931,2-Oxathiolane, 2,2-dioxideU194n-PropylamineU196PyridineU197p-BenzoquinoneU200ReserpineU201ResorcinolU203SafroleU204Selenious acidU205Selenium sulfideU206StreptozotocinU207Benzene, 1,2,4,5-tetrachloro-U208Ethane, 1,1,1,2-tetrachloro-U209Ethane, 1,1,2,2-tetrachloro-U210Ethene, tetrachloro-U211Carbon tetrachlorideU213Furan, tetrahydro-U214Thallium(I) acetateU215Thallium(I) carbonateU216Thallium(I) chlorideU217Thallium(I) nitrateU218EthanethioamideU219ThioureaU220Benzene, methyl-U221Benzenediamine, ar-methyl-U222o-Toluidine hydrochlorideU223Toluene diisocyanateU225BromoformU226Methyl chloroformU227Ethane, 1,1,2-trichloro-U228Ethene, trichloro-U234Benzene, 1,3,5-trinitro-U2351-Propanol, 2,3-dibromo-, phosphate (3:1)U236Trypan blueU237Uracil mustardU238Carbamic acid, ethyl esterU239Benzene, dimethyl-U240Acetic acid, (2,4-dichlorophenoxy)-, salts & estersU243HexachloropropeneU244ThiramU246Cyanogen bromide (CN)BrU247MethoxychlorU2482H-1-Benzopyran-2-one, 4-hydroxy-3-(3-oxo-1-phenyl-butyl)-, & salts, when present at concentrations of 0.3% or lessU249Zinc phosphide Zn 3 P 2 , when present at concentrations of 10% or lessU271Benomyl.U278Bendiocarb.U279Carbaryl.U280Barban.U328o-ToluidineU353p-ToluidineU359Ethylene glycol monoethyl etherU364Bendiocarb phenol.U367Carbofuran phenol.U372Carbendazim.U373Propham.U387Carbamothioic acid, dipropyl-, S-(phenylmethyl) ester.U389Triallate.U394A2213.U395Diethylene glycol, dicarbamate.U404Ethanamine, N,N-diethyl-U409Thiophanate-methyl.U410Ethanimidothioic acid, N,N′- [thiobis[(methylimino)carbonyloxy]]bis-, dimethyl esterU411Propoxur.

Source: 40 CFR Part 261, Subparts C and D, via the eCFR (as amended).

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