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Canadian waste code finder

Waste code for treated wood Arsenic-preserved lumber, posts & decking.

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Treated wood: 1 code.

Treated wood

Other codes that mention it 3

  • Alberta oilfield waste codes

    Chemically treated or cooling-tower wood

    When to use WOODCT
  • B.C. hazardous-waste definition routes

    Pest control product waste

    When to use Definition (f)
  • OECD amber waste codes

    Treated wood and cork waste

    When to use AC170
Arsenic leaching from the wood above the limit makes it D004. The preservative, origin & contamination set the route.

Which Canadian codes fit treated wood?

CandidatePlaceWaste stream
D004
Ontario
Arsenic

How do Canadian codes for treated wood differ?

Quebec excludes treated wood from the MDR definition. In B.C. and Manitoba, the exclusions cover wood treated with a preservative or protection product registered under the federal Pest Control Products Act.

How should treated wood be described for collection in Canada?

Record how the wood was treated and any other contamination. Ontario candidates include arsenic or chromium only where the waste meets the TCLP criterion.