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D List — Characteristic Hazardous Wastes Toxic (TCLP characteristic)

RCRA Hazardous Waste Number

D043

Toxicity characteristic waste - Vinyl chloride at or above 0.2 mg/L (TCLP)

Official source: 40 CFR Part 261 (eCFR)

Hazard Basis

Toxic (TCLP characteristic)

Contaminant

Vinyl chloride

Regulatory Level (TCLP)

0.2 mg/L

Regulation

40 CFR Part 261

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Classification

See the full D list

Wastes that are hazardous because of what they do, not where they come from: ignitability (D001), corrosivity (D002), reactivity (D003), or toxicity (D004-D043, defined by TCLP contaminant thresholds). Any industrial waste stream can carry a D code.

How D043 is handled

01

A D code is determined by testing, not by source: TCLP for toxicity (D004-D043), flash point for ignitability (D001), pH for corrosivity (D002).

02

Characteristic wastes can exit hazardous status when the characteristic is removed - treatment to below the regulatory level is a recognized compliance path.

03

Generators must count D-coded streams toward their monthly generator status (VSQG / SQG / LQG).

Where can a D043 stream go?

Recognized recovery routes for this waste family, ranked by typical recovery tier. Which route fits depends on your specific stream — composition, volume and region.

Fuel blending & energy recovery

Medium recovery

Organic-bearing streams with usable fuel value can be blended and burned for energy recovery in permitted boilers and industrial furnaces instead of being incinerated as pure disposal.

40 CFR Part 266 Subpart H — burning for energy recovery

Solvent-fraction reclamation

Medium recovery

Where the toxicity-characteristic constituent is itself a recoverable solvent (benzene, MEK, pyridine and similar), distillation can recover a usable fraction and shrink the hazardous residue.

40 CFR 261.1(c)(4) — reclamation

Spent activated carbon regeneration

Medium recovery

Spent activated carbon loaded with organic constituents routes to carbon regeneration units, restoring the carbon for reuse instead of single-pass disposal.

40 CFR 260.10 — definitions

These are the typical routes for the D list. Your stream's actual options depend on its composition and where it sits.

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