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Ontario waste class 149 Liquid that drains through a landfill.

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  • Based on Ontario Regulation 347 and registration guidance
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149, Landfill leachate.

  • Ontario inorganic wastes

    Landfill leachate

Ontario group: miscellaneous inorganic wastes and mixed wastes.

Landfill leachate, the liquid collected from landfills, in Ontario's miscellaneous inorganic & mixed waste group.

Is Ontario 149 hazardous waste?

Not from the code alone. Ontario 149 describes the waste stream, not whether it is hazardous. Ontario decides that from the hazardous characterization or liquid-industrial status, and from the exclusions. The 3-digit class needs a primary characterization letter to form the waste number.

For subject waste, the generator enters the class-and-letter waste number in the waste details of the Ontario hazardous waste manifest. Ontario’s exclusions and shipment rules also apply.

What does Ontario 149 cover?

Leachate from landfill sites. An example is run-off or leachate gathered at a landfill.

Is landfill leachate Ontario 149 or another class?

CodeWhen it fits
149The stream is leachate from landfill sites.

When several characterizations apply, the registration flowchart picks the primary one. A 3-digit class doesn't replace the flowchart or the exclusions.

Which wastes take Ontario 149?

WasteWhen it’s 149
Landfill leachateCollection from a landfill
Collected landfill leachate and surface run-offCollection from a landfill

Which codes sit beside Ontario 149?

CodeWhat it is
142Primary lead/zinc/copper smelting waste
143Steelmaking residue
144Liquid tannery sludge
145Paint/pigment/coating waste
146Other inorganic sludge and solids
147Discarded chemical fertilizer
148Other inorganic waste chemicals
150Inert inorganic waste