California waste code 162 Spent catalyst from any process but refinery cracking.

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Based on California Title 22 and DTSC guidance
Nothing is stored

Inorganics
Other used catalyst

The spent catalyst came from a process other than fluid catalytic cracking.

Spent catalyst that did not come from a refinery fluid catalytic cracking unit. Refinery cracking catalyst takes code 161.

Is California code 162 hazardous waste?

Not from the code alone. The material must first be determined hazardous. California code 162 is not restricted, and a restricted code takes priority over it. A non-restricted code doesn't make a waste non-hazardous.

If the shipment needs the Uniform Hazardous Waste Manifest, enter 162 in Item 13 for the waste line. Use one California code, plus any federal RCRA codes when the waste is federally hazardous.

Waste is RCRA waste when it meets a federal listing or characteristic and no federal exclusion applies. 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 determination.

What does California code 162 cover?

This is the fallback for hazardous spent catalyst not made by a refinery fluid catalytic cracking unit. Evidence of the unit or reaction that used the catalyst is what rules out 161.

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

Is spent catalyst California code 162?

Code	When it fits
162	A process other than refinery fluid catalytic cracking produced the spent catalyst.
161	An oil refinery's fluid catalytic cracking unit produced the spent catalyst.

Record the unit or reaction that used the catalyst, because composition alone doesn't separate these 2 codes.

Which wastes take California code 162?

Waste	When it’s 162
Other spent catalyst	The catalyst was used in a process other than fluid catalytic cracking.

Which codes sit beside California code 162?

Code	What it is
133	High-organic water-based liquid
134	Low-organic water-based liquid
135	Other water-based hazardous liquid
141	Unused inorganic material
151	Friable or powdered asbestos
171	Sludge containing listed metals
172	Metal dust and machining waste
181	Other inorganic hazardous solid