U249 RCRA waste code Rat poison at 10% or less, thrown away unused.
- Free, no account
- Based on 40 CFR 261.33 and EPA guidance
- Nothing is stored
Find a federal hazardous waste code
U249, Zinc phosphide Zn3 P2.
U-listed waste
Zinc phosphide Zn3 P2
Unused product at concentrations of 10% or less.
ComplyOnSiteIs U249 hazardous waste?
Yes, when the listing applies. U249 is the U-listed code for unused zinc phosphide Zn3 P2 thrown away, including off-specification product and qualifying residues. It is nonacute, not a P-listed acute waste. It depends on the product and how it is discarded, not on a TCLP result.
On a required hazardous waste manifest, put U249 in Item 13. Read the VSQG exemptions and empty-container rules and pharmaceutical containers too.
What does U249 cover?
This covers unused zinc phosphide Zn3 P2 thrown away at 10% or less. The product must be pure or technical grade, or have the chemical as its only active ingredient. Off-specification batches and qualifying container or spill cleanup residues are included. The 10% line splits the paired P and U listings.
- CAS
- 1314-84-7
- Table entries
- Zinc phosphide Zn3 P2, when present at concentrations of 10% or less
- Hazard codes in the record
- T (toxic)
- Rule
- 40 CFR 261.33(f)
Is zinc phosphide Zn3 P2 waste always U249?
| Code | When it fits |
|---|---|
| U249 | Unused product thrown away at 10% or less, with the chemical pure, technical grade or the only active ingredient. |
| P122 | Unused product above 10%, with the listed chemical pure, technical grade or the only active ingredient. |
| Characteristic waste (D001–D043) | A used chemical or a different formulation has a hazardous characteristic. Assess any process listings too. |
Both rows can apply to one waste, because a listed unused product can also have a characteristic. The chemical merely turning up in a manufacturing waste doesn't make the waste U249. Match the waste’s origin, formulation and use history. Mixing or treating listed waste doesn't generally remove the listing. That takes an exclusion, an exception or an approved delisting.
Which codes sit beside U249?
| Code | What it is |
|---|---|
| U244 | Thiram — a dithiocarbamate fungicide |
| U246 | Cyanogen bromide (CN)Br |
| U247 | Methoxychlor — an insecticide |
| U248 | Warfarin and salts — an anticoagulant medicine and rodenticide |
| U271 | Benomyl — a fungicide |
| U278 | Bendiocarb — a carbamate insecticide |
| U279 | Carbaryl — a carbamate insecticide |
| U280 | Barban — a carbamate herbicide |
Sources
- 40 CFR 261.33 — Discarded commercial chemical products, off-specification species, container residues, and spill residues thereof
- 40 CFR 261.3 — Definition of hazardous waste
- 40 CFR 261.7 — Residues of hazardous waste in empty containers
- 40 CFR 260.10 — Definitions
- 40 CFR 262.14 — Conditions for exemption for a very small quantity generator
- 40 CFR 262.20 — General requirements
- 40 CFR 266.507 — Residues of hazardous waste pharmaceuticals in empty containers
- Hazardous Waste Manifest Instructions