RCRA Hazardous Waste Number
Acetone
Official source: 40 CFR Part 261 (eCFR)Hazard Basis
Listed - toxic
CAS Number
67-64-1
Regulation
40 CFR Part 261
Need recovery options for a U002 stream?
Map recovery routes for U002Unused commercial chemical products that are toxic when discarded, from acetone (U002) to solvents and manufacturing intermediates. The code applies to the unused chemical, not process waste containing it.
U codes cover UNUSED commercial chemical products being discarded - not process waste containing the chemical.
Off-spec, expired or surplus chemical inventory is the typical U-code stream; reclamation or reuse can remove it from the waste system entirely.
Container residues above empty-container thresholds carry the same U code.
European Waste Catalogue (EWC) codes that describe an overlapping or equivalent waste stream to U002.
U002 covers only unused, discarded acetone product; EWC 14 06 03 covers spent non-halogenated solvent waste from any process, used or not, not one named chemical.
U002 is the unused commercial acetone chemical being discarded; EWC 07 01 04 covers spent organic solvents from organic chemical process operations, not unused product.
Common industrial materials that can carry the U002 waste code — each finder page shows exactly when it applies.
Recognized recovery routes for this waste family, ranked by typical recovery tier. Which route fits depends on your specific stream — composition, volume and region.
Unused, on-spec chemical product that finds a user has never been discarded — redistribution, resale or return to the supplier keeps it out of the waste system entirely.
40 CFR 261.2(c)(3) Table 1 — commercial chemical products being reclaimedCommercial chemical products being reclaimed are not solid wastes: off-spec, expired or surplus inventory processed back to usable product exits hazardous waste regulation.
40 CFR 261.2(c)(3) Table 1 — commercial chemical products being reclaimedThese are the typical routes for the U list. Your stream's actual options depend on its composition and where it sits.
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