California waste code 271 Raw resin & monomers that have not yet set into plastic.

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Based on California Title 22 and DTSC guidance
Nothing is stored

Organics
Unreacted resin and monomers

Monomers are starting molecules that can join to make polymers; this entry includes resin that has not polymerized.

Monomer waste, including unreacted resin. Monomers are starting molecules that join into polymers. Set resin is coded apart.

Is California code 271 hazardous waste?

Not from the code alone. Waste must first be found hazardous. Code 271 isn't a restricted code, but a restricted category that fits takes priority over it. A code that isn't restricted doesn't make waste non-hazardous.

When a shipment needs the Uniform Hazardous Waste Manifest, enter 271 in Item 13 for the 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, with no federal exclusion that 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 271 cover?

This code is for hazardous organic monomer waste, including resin that hasn't polymerized. It means the starting molecules or unreacted resin, not waste made of polymeric resin after the reaction.

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

Is resin waste California code 271, 272 or 281?

Code	When it fits
271	The waste is an organic monomer or resin that has not polymerized.
272	The hazardous resin waste is polymeric because polymerization has occurred.
281	The discarded hazardous material is an adhesive rather than resin sorted by polymerization state.

Formulation and process records show whether polymerization happened.

Which wastes take California code 271?

Waste	When it’s 271
Unreacted resin and monomer waste	Product or cure records show monomer or resin remains unreacted

Which codes sit beside California code 271?

Code	What it is
232	Pesticide and pesticide-production waste
241	Tank-bottom waste
251	Still bottoms with halogenated organics
252	Other still-bottom waste
261	PCB-containing material
291	Discarded latex material
311	Discarded pharmaceuticals
321	Hazardous sewage sludge