Prepared by:
Ontario Ministry of the Environment
Environmental Approval Access and Service Intergration Branch

Last Revision Date: February 2013

Inorganic Wastes - Acid Solutions
Acid SolutionsExamples
111 - Spent pickle liquorAcid solutions of sulphuric and hydrochloric acids containing ferrous salts from steel pickling.
112 - Acid solutions, sludges and residues containing heavy metalsSolutions of sulphuric, hydrochloric and nitric acids containing copper, nickel, chromium, zinc, cadmium, tin, lead, or other heavy metals; chromic acid waste; acidic emission control sludges from secondary lead smelting.
113 - Acid solutions, sludges and residues containing other metals and non-metalsSolutions of sulphuric, hydrochloric, hydrofluoric and nitric acids containing sodium, potassium, calcium, magnesium or aluminum; equipment cleaning acids; cation regenerant; reactor acid washes; catalyst acid and acid washes.
114 - Other inorganic acid wastesOff-specification acids; by-product hydrochloric acid; dilute acid solutions; acid test residues.
Inorganic Wastes - Alkaline Solutions
Alkaline SolutionsExamples
121 - Alkaline solutions, sludges and residues containing heavy metalsMetal finishing wastes; plating baths; spent solutions containing metals such as copper, zinc, tin, cadmium; case hardening sludges; spent cyanide destruction residues; dewatered solids from metal and cyanide finishing wastes and cyanide destruction.
122 - Alkaline solutions, sludges and residues containing other metals and non-metals, not containing cyanidesAlkaline solutions from aluminum surface coating and etching; alkali cleaner wastes; waste lime sludges and slurries; anion regenerants.
123 - Alkaline phosphatesBonderizing wastes; zinc phosphates; ferrous phosphates; phosphate cleaners.
Inorganic Wastes - Aqueous Salts
Aqueous SaltsExamples
131 - Neutralized solutions, sludges and residues containing heavy metalsMetal finishing waste treatment sludges containing copper, nickel, chromium, zinc or cadmium; neutral salt bath sludges and washes; lime sludge from metal finishing waste treatment; dewatered solids from these processes.
132 - Neutralized solutions, sludges and residues containing other metalsAluminum surface coating treatment sludges; alum and gypsum sludges.
133 - Brines, chlor-alkali sludges and residuesWaste brines from chlor-alkali plants; neutralized hydrochloric acid; brine treatment sludges; dewatered solids from brine treatment.
134 - Wastes containing sulphidesPetroleum aqueous refinery condensates.
135 - Wastes containing other reactive anionsWastes containing chlorates; hypochlorite; bromate or thiosulphate.
Inorganic Wastes - Miscellaneous Inorganic Wastes and Mixed Wastes
Miscellaneous Inorganic Wastes and Mixed WastesExamples
141 - Inorganic wastes from pigment manufacturingWastewaters and sludges from the production of chrome yellow, molybdate orange, zinc yellow, chrome green and iron pigments; dewatered solids from these sources.
142 - Primary lead, zinc and copper smelting wastesSlurries, sludges and surface impoundment solids; treatment plant sludges; anode slimes and leachate residues; dewatered solids from these sources.
143 - Residues from steel makingEmission control sludges and dusts; precipitator residues from steel plants; dewatered solids from these sources.
144 - Liquid tannery waste sludgesLime waste mixtures; chrome tan liquors; dehairing solutions and sludges.
145 - Wastes from the use of paints, pigments and coatingsPaint spray booth sludges and wastes; paper coating wastes; ink sludges; paint sludges.
146 - Other specified inorganic sludges, slurries or solidsFlue gas scrubber wastes; wet fly ash; dust collector wastes; metal dust and abrasives wastes; foundry sands; mud sediment and water; tank bottoms from waste storage tanks that contained mixed inorganic wastes; heavy sludges from waste screening /filtration at transfer/ processing sites not otherwise specified in this table.
147 - Chemical fertilizer wastesSolutions, sludges and residues containing ammonia, urea, nitrates and phosphates from nitrogen fertilizer plants.
148 - Miscellaneous waste inorganic chemicalsWaste inorganic chemicals including laboratory, surplus or off-specification chemicals, that are not otherwise specified in this table.
149 - Landfill leachateSurface run-off and leachate collected from landfill sites.
150 - Inert inorganic wastesSand and water from catch basins at car washes; slurries from the polishing and cutting of marble.
Organic Wastes - Non-halogenated Spent Solvents
Non-halogenated Spent SolventsExamples
211 - Aromatic solvents and residuesBenzene, toluene, xylene solvents and residues.
212 - Alphatic solvents and residuesAcetone, methylethylketone and residues, alcohols, cyclohexane and residues.
213 - Petroleum distillatesVarsol, white spirits and petroleum distillates, thinners.
Organic Wastes - Fuels
221 - Light fuelsGasoline, kerosene, diesel, tank drainings /washings/bottoms, spill clean-up residues
222 - Heavy fuelsBunker, asphalts, tank draining/washings/bottoms, spill clean-up residues.
Organic Wastes - Resins and Plastics
Resins and PlasticsExamples
231 - Latex wastesWastes latexes, latex crumb and residues.
232 - Polymeric resinsPolyester, epoxy, urethane, phenolic resins, intermediates and solvent mixtures.
233 - Other polymeric wastesOff-specification materials, discarded materials from reactors.
Organic Wastes - Halogenated Organic Wastes
Halogenated Organic WastesExamples
241 - Halogenated solvents and residuesSpent halogenated solvents and residues such as perchloroethylene, trichloroethylene and carbon tetrachloride (dry cleaning solvents); halogenated still bottoms; residues and catalysts from halogenated hydrocarbon manufacturing or recycling processes.
242 - Halogenated pesticides and herbicides2,4-D, 2,4,5-T wastes, chlordane, mirex, silvex, pesticide solutions and residues.
243 - Polychlorinated biphenyls (PCB)Askarel liquids such as Aroclor, Pydraul, Pyranol, Therminolds, Inerteen, and other PCB contaminated materials.
Organic Wastes - Oily Wastes
Oily WastesExamples
251 - Waste oils/sludges (petroleum based)Oil/water separator sludge; dissolved air flotation skimming; heavy oil tank drainage; slop oil and emulsions.
252 - Waste crankcase oils and lubricantsCollected service station waste oils; industrial lubricants; bulk waste oils.
253 - Emulsified oilsSoluble oils; waste cutting oils; machine oils.
254 - Oily water/waste oil from waste transfer/processing sitesWaste oil and oily water limited to classes 251, 252 and 253 that have been bulked/blended/processed at a waste transfer/processing site.
Organic Wastes - Miscellaneous Organic Wastes and Mixed Wastes
Miscellaneous Organic Wastes and Mixed WastesExamples
261 - PharmaceuticalsPharmaceutical and veterinary pharmaceutical wastes other than biologicals and vaccines, solid residues and liquids from veterinary arsenical compounds.
262 - Detergents and soapsLaundry wastes.
263 - Miscellaneous waste Organic chemicalWaste organic chemicals including laboratory surplus or off-specification chemicals that are not otherwise specified in this table.
264 - Photoprocessing wastesPhotochemical solutions, washes and sludges.
265 - Graphic arts wastesAdhesives, glues, miscellaneous washes; etch solutions.
266 - Phenolic waste streamsCresylic acid; caustic phenolates; phenolic oils; creosote.
267 - Organic acidsCarboxylic or fatty acids; formic, acetic, propionic acid wastes; sulphamic and other organic acids that may be amenable to incineration.
268 - AminesWaste ethanolamines, urea; tolidene, Flexzone waste, Monex waste.
269 - Organic non-halogenated pesticide and herbicide wastesOrganophosphorus chemical wastes; arsenicals; wastes from MSMA and cacodylic acid
270 - Other specified organic sludges, slurries and solidsTank bottoms from mixed organic waste bulking tanks at waste transfer sites, mixed sludges from waste screening filtration at waste transfer processing sites not otherwise specified in this table.
Organic Wastes - Processed Organic Wastes from Transfer Stations
Processed Organic Wastes from Transfer StationsExamples
281 - Non-halogenated rich organicsBlended/bulked non-halogenated solvents, oils and other rich organics prepared at transfer/processing sites for incineration.
282 - Non-halogenated lean organicsBlended/bulked aqueous wastes prepared at transfer/processing sites for incineration and contaminated with nonhalogenated solvents, non-halogenated oils and other non-halogenated organics.
Organic Wastes - Plant and Animal Wastes
Plant and Animal WastesExamples
311 - Organic tannery wastesFleshings; trimmings; vegetable tan liquors; Bate solutions.
312 - Pathological WasteHuman anatomical waste; infected animal carcasses; other non-anatomical waste infected with communicable diseases; biologicals and vaccines.
Other Wastes - Explosive Manufacturing Wastes
Explosive Manufacturing WastesExamples
321 - Wastes from the manufacture of explosives and detonation productsWastewater treatment sludges; spent carbon; red/pink waters from TNT manufacturing; residues from lead base initiating compounds.
Other Wastes - Compressed Gases
Compressed GasesExamples
331 - Waste compressed gases, including cylindersMethane (natural gas); nitrous or nitric oxide; propane, butane.

PIBS 4188e01