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A110 waste code WA Salts of prussic acid used up in hardening & tempering steel.

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A110, Cyanide heat-treatment waste.

  • Western Australia

    Cyanide heat-treatment waste

Western Australia A110: heat treatment or tempering must be the source; surface-treatment waste belongs under A100.

Waste from heat treatment and tempering that uses cyanide, as in hardening steel. Surface-treatment waste goes under A100.

Is WA A110 hazardous waste?

Not from the code alone. A110 is a WA controlled-waste category. Regulation 3 takes in industrial, commercial, medical, laboratory and sewage-treatment waste and leaves out domestic waste. It also excludes waste that a Class I, II or III landfill can lawfully accept, with set exceptions that include asbestos, tyres and clinical waste.

Where WA road tracking applies, enter A110 in the controlled-waste category field on the DWER tracking form. DWER issues the number. The authorised carrier or driver records collection and transport, and the receiving facility closes the record. Record the holder, amount, containment and destination. The WA load thresholds and exclusions still apply.

What does WA A110 cover?

Waste from heat treatment or tempering that uses cyanide or ends up containing it, as the list states. Surface-treatment cyanide waste is separate, under A100.

Source edition
May 2018

Is cyanide heat-treatment waste WA A110, A100 or A130?

CodeWhen it fits
A110The cyanide-bearing waste arose from heat treatment or tempering.
A100The cyanide waste arose from treating a metal or plastic surface.
A130The waste is classified by inorganic cyanide content rather than a named process.

Landfill acceptance follows the acceptance criteria, not how the waste looks. A category number and a dangerous goods classification answer different questions.

Which wastes take WA A110?

WasteWhen it’s A110
Cyanide heat-treatment wasteThe waste comes from heat treatment or tempering that used cyanide.

Which codes sit beside WA A110?

CodeWhat it is
B100Acidic liquids and solid acids
C100Alkaline liquids and solid alkalis
D100Metal carbonyl compounds
D110Inorganic fluorine compounds
D120Mercury and mercury compounds
D130Arsenic and arsenic compounds
D140Chromium compounds
D141Chromium-bearing tannery waste