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P115 RCRA waste code Toxic thallium salt, once used in rat poison.

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P115, Thallium(I) sulfate.

  • Acute hazardousP-listed waste

    Thallium(I) sulfate

P-list unused product.

Acute hazardous P-listed waste for unused thallium(I) sulfate, a toxic thallium salt. Only the unused chemical takes P115.

Is P115 hazardous waste?

Yes, when the listing applies. P115 is for unused thallium(I) sulfate that is thrown away, including off-specification product and qualifying residues. It is acute hazardous waste, so the stricter acute quantities apply even for a small amount.

Put P115 in Item 13 of a required hazardous waste manifest. The VSQG exemptions and empty-container rules and pharmaceutical containers have their own limits.

What does P115 cover?

It covers unused thallium(I) sulfate thrown away pure, at technical grade, or in a formulation where it is the only active ingredient. It also takes in off-specification batches, residues left in nonempty containers and cleanup residues from spills of these products. Inactive ingredients don't stop it counting as the only active ingredient.

CAS
7446-18-6
Table entries
Sulfuric acid, dithallium(1 + ) salt; Thallium(I) sulfate; Thiodiphosphoric acid, tetraethyl ester; Plumbane, tetraethyl-
Hazard codes in the record
H (acute hazardous)

Is thallium(I) sulfate waste P115 or another code?

CodeWhen it fits
P115Thrown away unused, pure or technical grade, or as the only active ingredient. Qualifying product residues count too.
Characteristic waste (D001–D043)A used chemical or a different formulation that meets a hazardous-waste characteristic. Any process listings that apply count too.

Both rows can apply at once, because a listed unused product can also have a characteristic. Having this chemical in a manufacturing waste doesn't make the waste P115. Match the waste's origin, formulation and use history. Mixing or treating listed waste generally doesn't remove the listing. That takes an exclusion, an exception or an approved delisting. The numerical and alphabetical tables give this code conflicting chemical identities. The identity and the neighbouring-code links here follow the alphabetical table, and the table entries above show the disagreement.