K027 RCRA waste code Reactive & toxic residue from making foam chemicals.

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Based on 40 CFR 261.32 and EPA hazardous-waste rules
Nothing is stored

K-listed waste
Centrifuge and distillation residue from making toluene diisocyanate

Industry: Organic chemicals.

Reactive and toxic K-listed waste from organic chemical plants. Centrifuge and distillation residues from making toluene diisocyanate.

Is K027 hazardous waste?

Yes. K027 is nonacute hazardous waste when your waste comes from the named process and stream. The federal table gives it hazard code (R, T), for reactivity and toxicity.

A K listing follows how and where the waste arose, not a concentration test. A test may add a characteristic code, but it doesn't remove this listing.

On a required hazardous waste manifest, put K027 in Item 13. Check the VSQG exemptions and empty-container rules too.

What does K027 cover?

This listing covers centrifuge and distillation residues from toluene diisocyanate production. The waste form and the source process must both match this listing. Chemical content alone isn't enough.

Hazard code: (R, T), reactivity and toxicity
Industry: Organic chemicals
Rule: 40 CFR 261.32

Is toluene diisocyanate process residue always K027?

Code	When it fits
K027	It is centrifuge and distillation residues from toluene diisocyanate production.
K016	It is heavy ends or distillation residues from producing carbon tetrachloride.
K116	It is organic condensate from the solvent recovery column while producing toluene diisocyanate via phosgenation of toluenediamine.

The industry, production step and waste form tell these K listings apart, not chemical content. The rows show nearby listed streams, not every code that could apply. Add any characteristic or other listing that also fits, because a waste can carry several federal codes.

Which wastes take K027?

Waste	When it’s K027
Toluene diisocyanate production waste	It is a centrifuge or distillation residue from toluene diisocyanate production

Which codes sit beside K027?

Code	What it is
K023	Light distillation fractions from making phthalic anhydride from naphthalene
K024	Bottom residue from making phthalic anhydride from naphthalene
K025	Bottom distillation residue from making nitrobenzene
K026	Bottom stripping-still residue from making methyl ethyl pyridines
K028	Spent reactor catalyst from making 1,1,1-trichloroethane
K029	Steam-stripper waste from making 1,1,1-trichloroethane
K030	Column residue from making trichloroethylene and perchloroethylene
K031	By-product salts from making the herbicides MSMA and cacodylic acid