Ontario waste class D027 Mothball & deodorant block chemical, para form.

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Based on Ontario Regulation 347, Schedule 4
Nothing is stored

Ontario leachate quality criteria
1,4-Dichlorobenzene (p-Dichlorobenzene)

Ontario TCLP limit: 0.5 mg/L for 1,4-Dichlorobenzene (p-Dichlorobenzene).

1,4-Dichlorobenzene (p-dichlorobenzene) waste. Chlorinated chemical in mothballs & deodorant blocks. Ontario TCLP limit 0.5 mg/L.

Is Ontario D027 hazardous waste?

Yes, when the leachate limit is met. Ontario sets the leachate limit for 1,4-Dichlorobenzene (p-Dichlorobenzene) at 0.5 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 D027?

This number covers 1,4-Dichlorobenzene (p-Dichlorobenzene) in the extract from the Toxicity Characteristic Leaching Procedure. Its classification limit is 0.5 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: ≥ 0.5 mg/L
CAS: 106-46-7
Rule: R.R.O. 1990, Regulation 347: General — Waste Management

Is 1,4-Dichlorobenzene (p-Dichlorobenzene) waste Ontario D027?

Code	When it fits
D027	The TCLP extract reaches or exceeds the limit of 0.5 mg/L.
This constituent criterion not met	The TCLP extract is below 0.5 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 D027?

Waste	When it’s D027
Contaminated soil	Measured extract concentration (individual limit)

Which codes sit beside Ontario D027?

Code	What it is
D023	o-Cresol
D024	m-Cresol
D025	p-Cresol
D026	Total cresol isomers in a mixture whose isomers cannot be
D028	1,2-Dichloroethane (Ethylene dichloride)
D029	1,1-Dichloroethylene (Vinylidene chloride)
D030	2,4-Dinitrotoluene
D031	Heptachlor + Heptachlor epoxide