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Ontario waste class D031 Termite & soil insecticide with its breakdown product.

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  • Based on Ontario Regulation 347, Schedule 4
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D031, Heptachlor + Heptachlor epoxide.

  • Ontario leachate quality criteria

    Heptachlor + Heptachlor epoxide

Ontario TCLP limit: 0.3 mg/L for Heptachlor + Heptachlor epoxide.

Banned termite & soil insecticide, counted together with its epoxide breakdown product. Ontario TCLP limit 0.3 mg/L.

Is Ontario D031 hazardous waste?

Yes, when the leachate limit is met. Ontario sets the leachate limit for heptachlor + Heptachlor epoxide at 0.3 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 D031?

This number covers heptachlor + Heptachlor epoxide in the extract from the Toxicity Characteristic Leaching Procedure. Its classification limit is 0.3 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
≥ 0.3 mg/L
CAS
76-44-8, 1024-57-3

Is heptachlor + Heptachlor epoxide waste Ontario D031?

CodeWhen it fits
D031The TCLP extract reaches or exceeds the limit of 0.3 mg/L.
This constituent criterion not metThe TCLP extract is below 0.3 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 D031?

WasteWhen it’s D031
Contaminated soilMeasured extract concentration (individual limit)

Which codes sit beside Ontario D031?

CodeWhat it is
D0271,4-Dichlorobenzene (p-Dichlorobenzene)
D0281,2-Dichloroethane (Ethylene dichloride)
D0291,1-Dichloroethylene (Vinylidene chloride)
D0302,4-Dinitrotoluene
D032Hexachlorobenzene
D033Hexachlorobutadiene
D034Hexachloroethane
D035Methyl ethyl ketone