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Ontario waste class D035 Paint thinner & adhesive solvent, as MEK.

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  • Based on Ontario Regulation 347, Schedule 4
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D035, Methyl ethyl ketone.

  • Ontario leachate quality criteria

    Methyl ethyl ketone

Ontario TCLP limit: 200 mg/L for Methyl ethyl ketone.

Methyl ethyl ketone waste. Common solvent in paint thinners, adhesives & coatings, widely known as MEK. Ontario TCLP limit 200 mg/L.

Is Ontario D035 hazardous waste?

Yes, when the leachate limit is met. Ontario sets the leachate limit for methyl ethyl ketone at 200 mg/L in the TCLP extract. A result exactly at the limit meets it, subject to the regulation’s exclusions. The concentration in the original bulk waste is a different measure.

For a subject-waste shipment, the generator records the 3-digit class and primary characterization in the waste-number details of the Ontario hazardous waste manifest. This number names the constituent for the assessment and doesn’t replace that class-and-letter waste number. Land-disposal treatment standards are assessed separately.

What is Ontario D035?

This number covers methyl ethyl ketone in the extract from the Toxicity Characteristic Leaching Procedure. Its classification limit is 200 mg/L. It marks a toxic leachate, whatever the industry, container or physical form. Ontario sets treatment requirements for land disposal separately.

Schedule
Schedule 4
Purpose
Leachate-toxic classification; Schedule 5 separately sets treatment standards
TCLP classification limit
≥ 200 mg/L
CAS
78-93-3

Is methyl ethyl ketone waste Ontario D035?

CodeWhen it fits
D035The TCLP extract reaches or exceeds the limit of 200 mg/L.
This constituent criterion not metThe TCLP extract is below 200 mg/L. Other hazardous criteria still need assessment.

A result below the limit for one constituent doesn’t settle other constituents, characteristic hazards or listed-waste rules. Apply the classification threshold first, then the land-disposal treatment standard.

Which wastes take Ontario D035?

WasteWhen it’s D035
Contaminated soilMeasured extract concentration (individual limit)

Which codes sit beside Ontario D035?

CodeWhat it is
D031Heptachlor + Heptachlor epoxide
D032Hexachlorobenzene
D033Hexachlorobutadiene
D034Hexachloroethane
D036Nitrobenzene
D037Pentachlorophenol
D038Pyridine
D039Tetrachloroethylene