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Ontario waste class E125 Pre-emergent weedkiller, limited to 4.5 mg/L.

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  • Based on Ontario Regulation 347, Schedule 4
  • Nothing is stored

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E125, Trifluralin.

  • Ontario leachate quality criteria

    Trifluralin

Ontario TCLP limit: 4.5 mg/L for Trifluralin.

Ontario leachate limit of 4.5 mg/L for trifluralin, a pre-emergent herbicide used on crops & lawns.

Is Ontario E125 hazardous waste?

Yes, when the leachate limit is met. This Ontario class is hazardous when the TCLP extract holds trifluralin at 4.5 mg/L or more. A result exactly at the limit counts, subject to the regulation’s exclusions. A concentration in the original bulk waste is a different measure.

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

What does Ontario E125 cover?

This class covers trifluralin in the extract from the Toxicity Characteristic Leaching Procedure (TCLP), with a limit of 4.5 mg/L. It describes a leachate-toxic constituent, not an 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
≥ 4.5 mg/L
CAS
1582-09-8

Is trifluralin always Ontario E125?

CodeWhen it fits
E125The TCLP extract holds 4.5 mg/L or more of the constituent.
This constituent criterion not metThe TCLP extract holds less than 4.5 mg/L. Other hazardous criteria still need assessing.

A result below the limit for one constituent says nothing about other constituents, characteristic hazards or listed-waste rules. Apply the classification limit first, then look at the separate land-disposal treatment standard.

Which wastes take Ontario E125?

WasteWhen it’s E125
Contaminated soilMeasured extract concentration (individual limit)

Which codes sit beside Ontario E125?

CodeWhat it is
E118Nitrate + Nitrite (as Nitrogen)
E119Nitrilotriacetic acid (NTA)
E120Paraquat
E121Picloram
E122Simazine
E123Temephos
E124Terbufos
E126Uranium