D016 RCRA waste code Weed killer waste that leaches 10 mg/L or more.

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Based on 40 CFR 261.24
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Characteristic hazardous waste
2,4-D

2,4-D at 10 mg/L or more in the TCLP extract.

Toxic characteristic waste from 2,4-D, a weed killer. Waste is D016 when the TCLP extract holds 2,4-D at 10 mg/L or more.

Is D016 hazardous waste?

Yes. Waste is D016 when the TCLP extract of a representative sample holds 2,4-d at or above 10 mg/L. That makes it toxic hazardous waste, whatever industry or process it came from.

Compare the 2,4-d in the TCLP extract with 10 mg/L. A total 2,4-d result is a different measure, so it can't be compared with this limit.

D016 is a nonacute characteristic. On a required hazardous waste manifest, put D016 in Item 13. See VSQG exemptions and empty-container rules.

What does D016 cover?

D016 applies when a representative sample gives a TCLP extract with 2,4-d at or above 10 mg/L. The limit is for the extract, not the waste’s total 2,4-d.

CAS: 94-75-7
Regulatory level: 10 mg/L in TCLP extract
Hazard: T, toxic
Rule: 40 CFR 261.24

Is 2,4-d waste always D016?

Code	When it fits
D016	The TCLP extract of a representative sample holds 2,4-d at or above 10 mg/L.
D004–D043	The 2,4-d result is below 10 mg/L, but another contaminant or characteristic can still apply.
U240	Unused 2,4-d is thrown away pure, as technical grade, or as the product’s only active ingredient.

Generators decide the codes from testing or knowledge of the waste, under 40 CFR 262.11. A result below 10 mg/L rules out D016 only. It doesn't make the waste nonhazardous.

Which wastes take D016?

Waste	When it’s D016
Contaminated soil	Its 2,4-d leaches at the TCLP limit or above.
Waste pesticides	Its 2,4-d leaches at the TCLP limit or above.

Which codes sit beside D016?

Code	What it is
D012	Endrin
D013	Lindane
D014	Methoxychlor
D015	Toxaphene
D017	2,4,5-TP (Silvex)
D018	Benzene
D019	Carbon tetrachloride
D020	Chlordane