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B.C. waste code Type 81 Used acid bath from cleaning steel before finishing.

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Type 81, Steel-finishing spent pickling acid.

  • B.C. Schedule 7 wastes

    Steel-finishing spent pickling acid

Type 81 excludes the same residue from a source other than steel finishing operations.

Spent pickle liquor, the acid that strips scale off steel. It comes from steel finishing operations. Other sources are not included.

Is B.C. Type 81 hazardous waste?

Yes, when the Schedule 7 description and definition conditions are met. Type 81 is a Schedule 7 shipping name for a listed B.C. hazardous waste. The waste must match the entry's description and stay inside the hazardous-waste definition once exclusions are applied.

On a regulated listed-waste shipment, Type 81 is the shipping name on the B.C. hazardous waste manifest. B.C.’s exclusions and shipment rules still apply.

What does B.C. Type 81 cover?

Type 81 covers steel-finishing spent pickling acid. It excludes the same residue from any source other than steel finishing operations. It is a B.C. shipping name for a listed waste, not a TDG class, and not a catch-all for similar material from another process.

List
Hazardous Waste Regulation, Schedule 7
Identifier role
B.C. shipping name for a listed waste

Is steel-finishing spent pickling acid B.C. Type 81 or another code?

CodeWhen it fits
Type 81The waste matches the full Schedule 7 description and no exclusion in the definition removes it.

Classifying the waste and filling in the paperwork are separate steps. First work out which definition route and exclusions apply. Then apply the section 46 quantity and transport conditions, and add the TDG description whenever TDG governs the load.

Which codes sit beside B.C. Type 81?

CodeWhat it is
Type 77Refinery oil-water separator sludge
Type 78Leaded refinery tank sediment
Type 79Coking ammonia-distillation lime sludge
Type 80Electric-furnace steelmaking emission residue
Type 82Lime-treated steel-pickling sludge
Type 83Primary-copper acid-plant blowdown residue
Type 84Primary-lead smelter impoundment solids
Type 85Primary-zinc wastewater/acid-plant sludge