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RCRA Hazardous Waste Number

K048

Dissolved air flotation (DAF) float from the petroleum refining industry

Official source: 40 CFR Part 261 (eCFR)

Have a K048 stream? See the dossier that replaces the feasibility study.

See the validation dossier
High recoveryOil recovery via reinsertion into refining
Medium recoveryFuel blending & energy recovery
Low recoveryTreatment to LDR standard, then disposal
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Hazard Basis

Listed - toxic

Industry Source

Petroleum refining

Regulation

40 CFR Part 261

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Classification

See the full K list

Source-specific wastes from 13 named industries, including petroleum refining, wood preservation, pesticide manufacturing and iron and steel production. Each K code names both the industry and the exact process residue.

How K048 is handled

01

K codes apply only to the named industry and the named process residue.

02

Many K wastes have established recovery paths inside their industry (e.g. metals reclamation from refinery and steel residues).

03

Land disposal restrictions (40 CFR Part 268) set treatment standards before disposal.

Where can a K048 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.

Oil recovery via reinsertion into refining

High recovery

Oil-bearing refinery residues reinserted into the refining process for oil recovery are excluded from solid waste regulation — the recognized highest-value route for these streams.

40 CFR 261.4(a)(12) — oil-bearing residues returned to refining

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

Treatment to LDR standard, then disposal

Low recovery

Where no recovery route fits the stream, land disposal restriction treatment standards define the required treatment before landfill — the compliance floor, not a recovery outcome.

40 CFR 268.40 — LDR treatment standards

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

See how this gets validated

See what your dissolved air flotation (daf) float from the petroleum refining industry stream is worth

Your dissolved air flotation (daf) float from the petroleum refining industry stream is assessed against chemistry, waste classification and proven recovery routes — graded results in your browser in seconds. No call, no commitment.

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Recovery tiers only. For numbers that survive a technical review, see the validation dossier.