Older CCA-treated wood: decks, fences and dust
Recognize that older residential treated wood may contain arsenic and adapt inspection, cutting, removal and disposal.
VERT / GREEN
Inspect condition and never burn treated wood.
JAUNE / YELLOW
A pre-2004 deck/fence/play structure may have used CCA; age and condition guide precautions.
ROUGE / RED
Degraded wood, major sanding/cutting, indoor dust or burning for disposal: prevent exposure and follow precautions/local disposal rules.
Quick triage
What the professional checks
The professional/waste authority helps identify risk, control dust, select PPE/method and confirm local disposal route.
Official sources
Checked 2026-08-23
Related path
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