California waste code 801 Process residue that can hold dioxins.

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Based on California Title 22 and DTSC guidance
Nothing is stored

Restricted wasteCalifornia restricted wastes
Waste that may contain dioxins

Hazardous waste that may contain dioxins.

Restricted waste that could contain dioxins. The source process and analysis show whether dioxins are present.

Is California code 801 hazardous waste?

Not from the code alone. Code 801 is a restricted waste code, so it wins over any non-restricted code that also fits. Choose it after the hazardous waste determination. It doesn't prove the waste is hazardous or decide its federal RCRA status.

If a shipment needs the Uniform Hazardous Waste Manifest, enter 801 in Item 13 for its waste line. Use one California code, plus the federal RCRA codes when the waste is federally hazardous.

RCRA waste meets a federal listing or characteristic and has no federal exclusion. Non-RCRA waste is hazardous under California rules only. California presumes hazardous waste is RCRA unless the generator shows it isn't, so keep that record.

What does California code 801 cover?

This restricted entry is hazardous waste that can contain dioxins. Appendix XII gives no concentration threshold for 801. The material, its source process and a representative analysis must support the possibility instead.

Official wording: 22 CCR division 4.5, chapter 11, Appendix XII(b)

Is waste that can contain dioxins California code 801?

Code	When it fits
801	Process knowledge or representative analysis supports possible dioxin content.
352	Nothing supports dioxin potential and the hazardous organic solid fits no other specific entry.

Don't invent a concentration cutoff, since the published description gives none. If more than one restricted code fits, confirm the single California code for the waste line. The rules give no general tie-breaker.

Which wastes take California code 801?

Waste	When it’s 801
Waste that may contain dioxins	Process knowledge or analysis supports possible dioxin content

Which codes sit beside California code 801?

Code	What it is
726	Restricted nickel liquid
727	Restricted selenium liquid
728	Restricted thallium liquid
731	Restricted PCB liquid
741	Restricted halogenated-organic liquid
751	Restricted halogenated-organic solids or sludge
791	Strongly acidic liquid
792	Strongly acidic metal-bearing liquid